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How to Start a Hedge Fund: Structure, Economics, and Regulation

I. The Short Version

A hedge fund is an open-end private investment vehicle that pools subscribed capital from accredited or qualified-purchaser investors and trades liquid markets --- equities, futures, options, credit, fixed income, crypto, multi-asset, or quantitative strategies. The canonical first-fund structure is a Delaware limited partnership managed by a Delaware LLC general partner, charging a 1.5%—2% annual management fee on month-end NAV plus a 20% performance allocation on net new gains, with a per-LP high-water mark and (often) no hurdle. The fund offers interests under Securities Act Reg D 506(b) or 506(c) and operates with monthly subscriptions, quarterly redemptions on 60-day notice, and a one-year hard lock-up. The first-fund GP at $5M—$25M AUM registers as an investment adviser with the home state regulator (the DFPI in California; analogous regulators elsewhere); federal SEC registration kicks in at $100M AUM under Investment Advisers Act §203A. The §203(m) “private fund adviser” exemption (federal Exempt Reporting Adviser, “ERA”) is available between roughly $100M and $150M of U.S. private-fund AUM --- a path your first fund won’t see, but worth tracking for Fund II planning.

For a small first-time U.S.-only hedge fund, plan to raise $5 million to $25 million from 15 to 40 accredited and qualified clients. Plan to spend $50,000 to $120,000 in legal fees plus another $50,000 to $100,000 on prime-broker setup, administrator setup, audit, insurance, and state filings to launch. Plan four to six months from green-light to first close.

For a master-feeder structure with non-U.S. LPs, add a Cayman master fund, a Cayman offshore feeder, $50,000 to $150,000 in setup, and $50,000 to $100,000 per year in recurring Cayman costs.

Considering a venture fund instead --- closed-end, committed capital, illiquid private investments? See the companion article: “How to Start a Venture Fund: The Complete Decision Guide.”

This guide walks every decision a first-time hedge fund manager has to make. The interactive calculator further down projects the economics for your specific inputs. The downloadable Fund Formation Decision Tree (PDF) below covers both venture and hedge structures branched by your inputs.

II. Your Fund at a Glance --- Recommended Defaults

Three founder personas. The defaults below are the canonical starting point for each.

Persona A --- Small first hedge fund, US LPs only, long/short equity ($5—$25M target):

[The structure:] Delaware limited partnership managed by a Delaware LLC GP/management company. Open-end, monthly subscriptions, quarterly redemptions with 60-day notice and a 1-year hard lock-up.

[The money:] Raise commitments from 15—40 accredited investors who are also qualified clients.

[The economics:] 1.5%—2% management fee on month-end NAV. 20% performance allocation on net new profits, annual crystallization, full per-LP high-water mark, no hurdle.

[The regulatory path:] At $5—$25M AUM, the GP is most commonly state-registered as an investment adviser in the home state (California ERA notice through IARD; other states have small-IA exemptions). The §203(m) federal Exempt Reporting Adviser path becomes available at $100M+ federal AUM. The §203(l) qualifying-VC-fund exemption is unavailable to hedge funds --- open-end redemption rights disqualify under prong 4. AML obligation under the 2024 FinCEN rule is paused until January 1, 2028; operational AML/KYC runs through the fund administrator regardless. Reg D 506(b) or 506(c).

[The entities:] GP/ManagementCo LLC + Fund LP. No offshore feeder.

[The team:] Portfolio manager, COO/CCO (often combined at this size), outsourced administrator, outsourced auditor, outsourced tax preparer, prime broker.

[Estimated launch cost:] $50,000—$120,000 legal + $50,000—$100,000 admin/audit/insurance/PB onboarding/state filings = $100,000—$220,000 all-in.

Persona B --- Hedge fund with international LPs ($25—$100M target, master-feeder):

[The structure:] Cayman exempted company master fund (elected as a partnership for U.S. tax). Delaware LP U.S. feeder. Cayman exempted company offshore feeder. Delaware LLC management company (the registered IA / ERA). Cayman entity director.

[The money:] U.S. taxable LPs subscribe through the Delaware feeder; non-U.S. persons and U.S. tax-exempts subscribe through the Cayman feeder.

[The economics:] 1.5%—2% management fee at the master level. 20% performance allocation at the U.S. feeder; 20% performance fee at the offshore feeder.

[The regulatory path:] ERA under §203(m) at $50M+; converts to RIA at $150M. AML program (operational; 2024 FinCEN rule effective 2028). CIMA registration as regulated mutual fund (Cayman Mutual Funds Act). Form PF when AUM crosses $150M.

[Estimated launch cost:] $200,000—$400,000 legal + filings + Cayman director/registered office + first-year audit on three entities + insurance.

Persona C --- Hedge fund with derivatives/futures exposure ($25—$100M, CFTC analysis required):

[Structure:] Same as Persona A or B depending on LP base.

[CPO posture:] CFTC Rule 4.13(a)(3) de minimis exemption if commodity exposure is incidental (≤ 5% margin / ≤ 100% notional); CFTC Rule 4.7 (registered CPO with reduced obligations) if commodity exposure is the strategy. December 19, 2025 CFTC Letter 25-50 reinstated 4.13(a)(4)-style relief for SEC-registered RIAs to QEP-only pools.

[The economics:] Same 2-and-20 norms. Performance allocation for CPO-registered funds may need NFA-disclosure-document treatment.

[Estimated launch cost:] Add $25,000—$50,000 to Persona A or B for CPO registration, NFA membership, disclosure-document drafting, and ongoing NFA compliance.

Hedge vs. Venture --- At a Glance:

If you are still deciding which type of fund you want to form, the table below summarizes the structural differences. The venture fund article covers the right column in depth: How to Start a Venture Fund.

III. How Much Does It Cost to Start a Hedge Fund?

The direct answer: a small first-time U.S.-only emerging-manager hedge fund typically costs $100,000 to $220,000 to launch through first close, with another $150,000 to $300,000 in annual recurring costs once the fund is operating. The legal-fee component is $50,000 to $120,000 for that first close; $30,000 to $60,000 of legal cost per year thereafter.

For a master-feeder structure: $200,000 to $400,000 launch and $250,000 to $500,000 per year recurring (the Cayman overhead --- director, registered office, CIMA fees, audit on three entities --- is structural).

The recurring annual breakdown for a US-only $25M fund:

• Fund administrator: $36,000—$120,000 (the largest recurring cost --- daily NAV is operationally critical for hedge).

• Auditor: $30,000—$80,000.

• Tax preparer (partnership-experienced): $15,000—$40,000.

• Prime brokerage: most platforms charge per-trade rather than annual; budget per-trade financing costs from your strategy.

• D&O / E&O / cyber insurance: $25,000—$50,000.

• Legal / regulatory: $30,000—$60,000 ongoing.

[Suggestion (small first hedge fund):] $150,000 in legal at launch is realistic if the structure is U.S.-only with a single share class. The economics support a small first hedge fund only above $5M—$10M AUM --- below that, recurring costs eat the management fee.

[Suggestion (master-feeder):] Don’t go offshore until you have $25M+ in non-U.S. or U.S.-tax-exempt LP demand. The Cayman overhead doesn’t pencil otherwise.

IV. What Kind of Strategy Are You Running?

Strategy choice cascades through every other structural decision. Briefly, by category:

Long/short equity is the most common emerging-manager strategy and the lowest-infrastructure starting point --- minimum AUM viability $5M+, monthly NAV, monthly or quarterly redemptions, prime-broker financing, no CFTC implications.

Market-neutral / quant requires more infrastructure --- algorithmic execution, performance attribution, leverage management. Minimum AUM viability $20M+.

Event-driven / merger arbitrage --- moderate infrastructure, frequent SEC-filings monitoring, sometimes 13D/13G compliance.

Credit / distressed --- illiquid positions, valuation challenges (ASC 820), side-pocket mechanics important.

Macro --- frequent CFTC-regulated futures, almost always triggers CFTC analysis.

Multi-strategy --- operational complexity grows with scope; institutional-LP-typical at $100M+.

Crypto / digital-asset hedge --- custody is the structural challenge. Spot crypto held in a “qualified custodian” (Custody Rule). Bitcoin/Ether futures trigger CPO analysis.

Activist --- 13D obligations within 5 business days of crossing 5%; reputational and litigation overlay.

Derivatives-heavy --- automatic CFTC analysis. CFTC Rule 4.13(a)(3) de minimis or Rule 4.7 QEP-only.

For each strategy, the cost-and-timeline-to-launch differs. Long/short equity is the cheapest and fastest. Crypto and multi-strategy are the most expensive and slowest. Macro and derivatives-heavy require CFTC counsel.

V. Open-End Fundamentals --- What Makes a Hedge Fund a Hedge Fund

The structural feature that defines a hedge fund --- and distinguishes it from venture or PE --- is open-end mechanics: continuous subscription and redemption at NAV. Every other structural choice flows from this.

A. Continuous subscription and redemption.

Investors can subscribe (typically monthly) and redeem (typically monthly or quarterly) at the fund’s NAV per unit. The fund administrator computes NAV at each valuation date. NAV is mark-to-market: every position is valued at fair value as of the date.

B. NAV calculation.

The fund administrator computes NAV at each valuation date --- monthly for most strategies, more frequently for some. NAV is net of accrued management fee and accrued performance fee (the latter recognized but not crystallized until the annual crystallization date). For thinly-traded or illiquid positions, ASC 820 fair-value methodology applies; the auditor reviews the GP’s valuation methodology annually.

C. Lock-up periods.

A lock-up restricts an LP’s ability to redeem during an initial period after subscription. Soft lock-up: redemption is permitted during lock-up but subject to a redemption fee (typically 2%—5% paid back into the fund). Hard lock-up: no redemption during lock-up except under extraordinary circumstances.

Typical: 1-year hard lock-up from initial subscription. Some strategies --- credit, longer-horizon --- use 2- or 3-year locks.

D. Notice periods.

After the lock-up expires, redemption requires advance notice --- typically 30, 60, or 90 days before the redemption date. Notice periods are paired with redemption frequency: 60 days notice for quarterly redemptions is the median emerging-manager structure.

E. Gates.

A redemption gate limits the percentage of fund NAV that can be redeemed in a given period --- typically 25% per quarter. If more than 25% of LPs request redemption, redemptions are pro-rated and the excess rolls forward. Investor-level gates limit individual LP redemptions; fund-level gates limit aggregate redemptions.

Gates exist to solve the run-on-the-fund coordination problem: one LP redeeming forces the GP to liquidate positions, which dilutes remaining LPs. Without gates, a coordinating-LP behavior compounds; with gates, the GP has time to liquidate orderly.

F. Side pockets.

A side pocket is a segregated portion of the fund holding illiquid or hard-to-value positions. Subscribers after the side-pocket designation do not share in the side-pocketed positions; existing LPs maintain their pro-rata share of the side pocket through wind-down. ASC 820 fair-value methodology applies to the side-pocketed positions.

G. Suspension rights.

The GP retains suspension rights --- the ability to suspend redemptions in extraordinary market events or when the portfolio cannot be valued. Suspension is the option of last resort; it triggers reputational consequences and frequently regulatory inquiry.

H. Equalization for late subscribers.

When a new LP subscribes mid-period, the manager has accrued unrealized performance that the new LP shouldn’t share in. Two solutions: series accounting --- separate share series for each subscription month, operationally complex but clean --- or equalization shares / equalization adjustments --- cleaner economics, harder to audit. Most U.S. domestic funds use series accounting; large multi-strategy funds in master-feeder structures use equalization shares.

VI. Domestic-Only vs Master-Feeder

A. Domestic-only.

Single Delaware LP fund. All LPs are U.S. persons. Simplest, lowest cost, no UBTI/ECI tax planning needed. The strategy ceiling is no offshore investors --- limits AUM growth above the U.S.-investor pool.

B. Master-feeder.

Three-entity structure: Cayman master fund (typically) elected as a partnership for U.S. tax + Delaware LP U.S. feeder (for U.S. taxable LPs) + Cayman or BVI exempted company offshore feeder (for non-U.S. persons and U.S. tax-exempts). Two GPs: a Delaware LLC management company that serves as the IA, and a Cayman entity that serves as director / managing-shareholder of the Cayman vehicles.

The offshore feeder’s purpose: a U.S. tax-exempt LP investing directly into a U.S. LP fund using leverage incurs UBTI; routing through a Cayman corporate feeder converts UBTI into PFIC inclusions which the LP can mitigate by QEF election (still tax-paying, but on a workable schedule).

C. Cayman vs BVI.

Cayman is the institutional default for master-feeder; BVI is cheaper, less infrastructure, more common for emerging managers. Cayman has more market acceptance with institutional LPs but higher annual costs. CIMA fees in 2026: registered mutual fund CI$4,125; master fund CI$3,075; sub-fund fee CI$750/CI$525; FAR filing fee CI$450.¹

D. When to go offshore.

Generally $50M+ AUM target. The offshore overhead --- director fees, audit, registered office, regulatory fees --- is typically $50,000—$100,000 per year, plus $30,000—$60,000 in setup. Below $50M, the Cayman overhead doesn’t pencil unless your specific LP base is non-U.S.-dominant. For some emerging managers (notably crypto-native ones with non-U.S. LP networks), going offshore at $20M is the right call because the marginal LP is non-U.S.

E. Cross-border compliance overlay.

A master-feeder hedge fund layers in: FATCA (the Cayman feeder is an FFI; registers with IRS for a GIIN; reports U.S.-account-holder information annually on Form 8966 via the Cayman TIA under IGA Model 1); CRS (annual XML filings to the Cayman TIA on non-U.S. tax residents); Cayman Economic Substance Act notification and reduced-substance return for investment-fund-business; AIFMD Annex IV reporting if marketing to EU LPs under NPPR. Costs: $5,000—$15,000 per year added to administrator fees.

VII. Investment Company Act --- §3(c)(1) vs §3(c)(7)

§3(c)(1) --- no more than 100 beneficial owners. All investors must be accredited (Reg D 506) and qualified clients (if performance fees are charged --- Advisers Act Rule 205-3).² The investment vehicle is excluded from the 1940 Act’s full registration regime. The 250-investor “qualifying venture capital fund” track under §3(c)(1)(C) is not available to hedge funds because qualifying-VC-funds cannot offer redemption rights.

§3(c)(7) --- unlimited beneficial owners (subject to 1934 Act §12(g) registration trigger at 2,000 holders or 500 non-accredited). All investors must be qualified purchasers under §2(a)(51).³ The QP standard is materially higher than accredited --- $5M+ in investments for a natural person, $25M+ for an institution.

Why hedge funds often start §3(c)(1) and convert. Easier to fill from accredited friends-and-family at launch; convert to §3(c)(7) for Fund II or when the institutional pipeline materializes. The conversion mechanics matter --- usually a new fund vehicle, sometimes a stack (§3(c)(1) feeder into §3(c)(7) master).

Stacking. Two feeders, one master, treated as one “private fund” for some purposes --- distinct §3(c) elections per feeder. SEC integration concerns are well-trodden but the practitioner needs to know it can be done.

VIII. Performance Fees vs Carried Interest --- Hedge Economics

A. Management fee.

The hedge management fee is charged on month-end (or quarter-end) NAV --- not on committed capital. The administrator computes the fee monthly. For a $25M fund at 2% per year, that’s roughly $42,000 per month or $500,000 per year, computed as 0.0167% per month on month-end NAV.

The market median has eroded. As of 2026, many emerging managers run at 1.5%—1.75% management fee. Founder share-class discounts (1/10 or 1/15 for early subscribers) are common. For a $25M fund, that’s $375,000 to $437,000 per year --- meaningful operations funding.

B. Performance allocation vs performance fee.

The 20% economics are the same; the structural form differs by feeder. The U.S. feeder uses a performance allocation --- a partnership profit allocation under U.S. partnership tax --- so the GP receives capital gain character (subject to §1061 only if the fund holds positions long enough; most hedge funds don’t, so character pass-through is what makes this matter). The Cayman offshore feeder pays a performance fee at the corporate level --- no character pass-through; the offshore LP holds shares of a corporation that is taxed at the corporate level on its income (typically zero in Cayman).

The reason: the U.S. tax distinction between fee (ordinary income, ~37% federal top rate) and partnership allocation (capital gain, ~20% federal top rate plus NIIT). The performance allocation form is dominant for U.S.-domestic funds.

C. High-water mark.

Per-LP. Each LP’s HWM is set at their subscription NAV per unit. Performance is charged only on NAV above the LP’s HWM. If the fund is down, no performance until the fund recovers and crosses the prior peak --- for that LP.

The HWM is the structural feature that makes a year of losses cost the GP more than just that year’s lost performance fee. After a 10% loss, the GP earns nothing in subsequent recovery years until the LP is whole again --- even if the fund grows 8% per year for three years before recrossing.

D. Hurdle.

A hurdle rate is a return threshold the fund must exceed before performance fees accrue. Different from VC preferred return. Soft hurdle: once the hurdle is crossed, performance fee is charged on all gains above the HWM --- the hurdle “trips” the fee. Hard hurdle: performance is charged only on the excess over the hurdle, never on the hurdle itself.

Hard hurdle is the most LP-friendly structure. Soft hurdle is “almost no hurdle” once the fund clears the threshold.

E. Crystallization.

Annual is the default. Quarterly is rare and disliked by LPs because it can lock in performance fees on what later turns out to be a peak. The performance fee is recognized monthly (in NAV computation) but not crystallized --- paid out --- until the annual crystallization date, typically December 31.

F. Equalization for late subscribers.

Already covered in §V.H. Series accounting (typical for U.S.-domestic) or equalization shares (typical for Cayman master-feeder).

IX. Try the Calculator

The calculator below lets you model fund economics for your specific inputs. For hedge mode, enter fund size, management fee, performance fee, hurdle structure, monthly growth rate scenarios, and projection years; the calculator returns LP net IRR, LP net MOIC, GP total management fees, and GP total performance fees across bear / base / bull cases.

For a $25 million hedge fund with a 2% management fee on month-end NAV, 20% performance allocation, full per-LP high-water mark, no hurdle, and annual crystallization, on a base case of 10% gross annual return over 5 years, the GP earns approximately $2.84 million in management fees and $2.27 million in performance fees over the projection period. LPs see a net MOIC of approximately 1.36× and a net IRR of approximately 6.4% per year. Bear case (-5% gross): LPs at approximately 0.85× net, ~-3% IRR; bull case (+20% gross): LPs at approximately 1.85× net, ~13% IRR.

These numbers are pre-tax. Actual after-tax returns depend on each LP’s home state, structure, and other income --- consult your tax advisor. The calculator models a single representative LP cohort subscribing at fund start; in practice, late subscribers are equalized via series accounting (typical for U.S.-domestic funds) or equalization shares (typical for Cayman master-feeder). For full equalization mechanics, see §V.H above.

The interactive calculator appears below the article body. It models fund economics across all four fund types --- venture closed-end, hedge open-end, SPV, and hybrid. The default scenario for this article is a $25 million hedge fund with a 2% management fee on month-end NAV, 20% performance allocation crystallized annually with a full per-LP high-water mark, no hurdle, and a 10% gross annual return base case over 5 years. Adjust the inputs to match your strategy and see how the LP-vs-GP outcomes shift.

X. Investment Adviser Registration --- IA Status and Carve-Outs

A. The default rule.

Anyone managing private fund assets is an “investment adviser” under §202(a)(11) of the Advisers Act. California-based managers with AUM under $100 million are state-registered with the DFPI; the federal RIA prohibition under Investment Advisers Act §203A applies below $100M, with limited exceptions. At $100M+ AUM, federal SEC registration becomes mandatory and state registration is preempted, subject to notice filings. The §203(m) ERA path bridges the gap: a federal-notice-only filing for advisers with $100M—$150M of U.S. private-fund AUM.

B. The Private Fund Adviser Exemption --- §203(m) ERA.

If your adviser is solely to qualifying private funds and total U.S. private fund AUM is under $150 million, you can file as an Exempt Reporting Adviser.⁴ The §203(m) ERA filing is the abbreviated Form ADV (Parts 1A items 1, 2.B, 3, 6, 7, 10, 11, plus Schedule D for private funds). No Part 2 brochure is required. ERAs are subject to SEC examination and Section 204 books-and-records.

C. The Venture Capital Adviser Exemption --- §203(l).

Not available to hedge funds. Open-end redemption rights disqualify under prong 4 of Rule 203(l)-1, which restricts a qualifying VC fund from providing holders any right “except in extraordinary circumstances, to withdraw, redeem or require the repurchase of such securities” (17 CFR § 275.203(l)-1(a)(4)). The VC exemption is structurally available only to closed-end venture funds.

D. State notice filings.

A California-based RIA notice-files in California through IARD under California Corporations Code §25230. ERAs file the same notice. Other states vary; 12+ states require ERA notice. The full-RIA path includes notice filings in any state where the adviser has 5+ clients or a place of business; LPs are typically counted as clients.

E. State-registration consideration for small first-fund GPs.

A first-time hedge GP at $5—$25M AUM is most commonly state-registered as an investment adviser in their home state. In California, state IA registration is through the DFPI, with smaller-IA exemptions varying by state. The §203(m) ERA path is for advisers between approximately $100M (federal threshold) and $150M (ERA cap). At $5M AUM, you’re not yet in §203(m) territory --- clarify the registration regime applicable to your specific AUM and home state with counsel before filing anything.

XI. Form ADV and Form PF

A. Form ADV Part 1A.

Public; describes the adviser’s business, custody, control persons, disciplinary history, advisory clients, and (for ERAs) reduced-scope items. Filed via IARD. Updated annually within 90 days of fiscal year-end and amended for material changes within 30 days.

B. Form ADV Part 2A (brochure).

Plain-English narrative. Required for RIAs (not ERAs). The brochure is delivered to clients (LPs) and is part of the firm’s anti-fraud-disclosure regime.

C. Form ADV Part 2B (brochure supplement).

Per-supervised-person bios. Required for RIAs.

D. Form PF.

Required for SEC-registered Investment Advisers managing $150M+ in private fund assets. Tiered. Two distinct rule packages must be sequenced carefully:

The 2023 amendments (Rel. IA-6297, June 2023; effective December 11, 2023) added Section 5 (event reports for large hedge fund advisers --- 72-hour filing on extraordinary investment losses ≥20% over 10 days, margin/collateral increases ≥20% over 10 days, notices of default, significant disruption of critical operations, cumulative redemption requests > 50% of NAV, inability to satisfy redemptions, prime-broker termination) and Section 6 (60-day quarterly event reports for large private equity advisers covering certain GP-LP events, fund-termination events, and adviser-led secondaries).⁵ These obligations are LIVE. A large hedge fund adviser today must file Section 5 within 72 hours of a triggering event.

The 2024 amendments (Rel. IA-6546, 89 Fed. Reg. 17984 (Mar. 12, 2024)) --- broader package amending fund-level data reporting across all sections. Compliance date extended three times; current compliance date is October 1, 2026 per SEC/CFTC joint extension. Until October 1, 2026, filers continue using the current (pre-2024-amendment) version of Form PF.⁵

Section ladder (operative under current form, pre-Oct-1-2026 transition):

• Section 1 (all PF filers): annual or quarterly aggregate fund-level reporting.

• Section 2 (large hedge fund advisers, ≥ $1.5B in hedge fund AUM): quarterly, more granular position-level information.

• Section 3 (large liquidity fund advisers, ≥ $1B in liquidity fund AUM): quarterly.

• Section 4 (large private equity advisers, ≥ $2B in private equity fund AUM): annual.

• Section 5 (large hedge fund advisers --- event reporting): 72-hour filing on enumerated events; live since Dec 11, 2023.

• Section 6 (large private equity advisers --- quarterly event reporting): 60-day post-quarter-end filing; live since Dec 11, 2023.

XII. AML, CTA, and Privacy

Same regulatory landscape as the venture article. Three points specific to hedge:

A. The 2024 FinCEN AML rule --- postponed to 2028.

FinCEN postponed the compliance date to January 1, 2028 (90 FR 2025-24184).⁶ When effective, approximately 14,000 RIAs and 6,000 ERAs (managing approximately $119T in assets) will be in scope. Until then, no federal AML obligation applies to investment advisers. Operational AML/KYC runs through the fund administrator regardless --- institutional LPs require it; bank counterparties impose AML diligence on fund counterparties under their own BSA obligations. The CIP rule (joint SEC/FinCEN proposed May 21, 2024; not finalized) is also paused until at least early 2028.

B. CTA / BOI --- narrowed to foreign reporting companies.

FinCEN’s March 26, 2025 interim final rule narrowed CTA reporting to foreign reporting companies.⁷ Domestic GP LLCs and Delaware fund LPs are not currently subject to BOI filing under the interim rule. The Cayman feeder is not a domestic entity for CTA purposes; its reporting obligations flow through Cayman regulatory frameworks (CIMA, Cayman ESA), not through CTA.

C. Privacy.

Reg S-P privacy notice obligation (and 2024 amendments adding 30-day breach notification, phased compliance December 2025 / June 2026) applies once the adviser is registered. CCPA/CPRA exposure for California-resident LPs as in the venture context.

XIII. Prime Brokerage and Custody

A. Prime broker.

The PB extends financing (margin lending, securities lending), holds the fund’s positions in custody, executes trades, provides reporting and risk analytics. Major U.S. PBs: Goldman Sachs, Morgan Stanley, JPMorgan, BAML, Barclays. For emerging managers under $50M AUM, mini-prime arrangements through firms like Cowen, BTIG, Marex, and Wedbush are common.

B. Multi-prime.

Larger funds use 2-3 PBs to mitigate Lehman-style counterparty risk. For emerging managers, single-prime is standard. The PB onboarding process --- KYC, financial diligence, ISDA negotiation if derivatives --- typically takes 6-12 weeks.

C. Custody Rule.

SEC Custody Rule (Rule 206(4)-2 under the Advisers Act) requires RIAs to use a “qualified custodian” and either receive a surprise annual exam OR distribute audited financials within 120 days of fiscal year-end (180 for fund-of-funds). Hedge funds typically rely on the audited-financials path. ERAs are technically exempt from the rule but most adopt the audited-financials practice as a market norm.

D. Crypto custody (digital-asset hedge funds).

The Custody Rule (17 CFR § 275.206(4)-2) remains in effect: SEC-RIAs must use a qualified custodian for client funds and securities, with annual surprise examinations or audited fund financials. The Custody Rule’s “qualified custodian” definition for digital assets is unsettled. The SEC proposed a far broader Safeguarding Rule in February 2023 (Rel. No. IA-6240) that would have extended custody requirements to a wider asset universe, including digital assets, but the proposal was never finalized. Practitioners watching this space should note: the Fifth Circuit’s vacatur of the SEC’s Private Fund Advisers Rule in NAPFM v. SEC (2024) addressed a separate adviser-conduct rulemaking (preferential treatment, restricted activities, quarterly statements, adviser-led secondaries, audit) — not custody. For a digital-asset hedge fund, plan around the conservative reading: use a regulated qualified custodian for digital assets where one is available (Anchorage, Coinbase Prime, BitGo Trust, Fidelity Digital Assets), maintain separate operational AML/KYC for crypto-specific obligations, and document custody procedures carefully in the LPA.

XIV. Service Providers

Five outsourced relationships are standard from day one for hedge:

Fund administrator. External by default. The administrator computes NAV (the operationally critical function), processes subs/reds, maintains the cap table, prepares investor statements, runs AML/KYC. For emerging managers, lower-cost providers like NAV Consulting or Liccar are typical. Cost: $3,000—$10,000/month for a small US fund --- reflecting practitioner experience, not vendor-survey data.

Auditor. Required by Custody Rule path; almost universal regardless. Big Four for institutional; Marcum, EisnerAmper, Citrin Cooperman for emerging managers. Cost: $30,000—$80,000/year for a US-only fund.

Tax preparer. Partnership-experienced CPA; hedge-specific complexity (mark-to-market 475(f) elections, wash-sale tracking, qualified dividend characterization, straddle rules). Cost: $15,000—$40,000/year typical.

Prime broker. Already covered in §XIII.

Fund counsel. Already covered.

XV. CFTC / NFA --- Commodity Pool Analysis

A pooled vehicle that trades commodity interests (futures, swaps, options on futures, retail forex, certain digital assets including Bitcoin futures) is a commodity pool; the manager is a commodity pool operator (CPO) registered with the CFTC and member of NFA --- UNLESS an exemption applies.

A. CFTC Rule 4.13(a)(3) --- the de minimis exemption.

Most relevant for hedge funds with incidental commodity exposure. Conditions: all participants are accredited investors, qualified eligible persons (QEPs), or knowledgeable employees; at all times, either aggregate initial margin / premiums for commodity interest positions ≤ 5% of fund’s liquidation value, OR aggregate notional value of commodity positions does not exceed 100% of fund’s liquidation value; the fund is not marketed as a vehicle for commodity-interest trading; file a notice of exemption with NFA, renewed annually.

The 5% margin / 100% notional thresholds have been stable through 2026.

B. CFTC Rule 4.7 --- the “QEP-only” exemption.

Available regardless of commodity-interest exposure if all participants are QEPs (a higher bar than accredited; broadly mirrors “qualified purchaser” + “qualified client” combined). The CPO is registered (with CFTC) and an NFA member but receives reduced disclosure and reporting obligations. The QEP definition’s portfolio-requirement dollar thresholds were increased in the CFTC’s October 2024 final rule (89 Fed. Reg. 78793 (Sept. 26, 2024)); compliance date for the increased thresholds was March 26, 2025.⁸

C. December 19, 2025 CFTC Letter 25-50.

CFTC Division of Market Participants no-action letter providing CPO registration relief for SEC-registered investment advisers to certain private funds offered solely to qualified eligible persons --- effectively reinstating the substance of the prior (rescinded) Rule 4.13(a)(4) exemption, subject to additional conditions.⁹ Material for hedge funds whose advisers are dual-registered as RIAs and would otherwise face full CPO registration when commodity-interest exposure exceeds the 4.13(a)(3) de minimis thresholds.

D. Bitcoin futures and digital-asset derivatives.

Trading CME Bitcoin/Ether futures or any cleared crypto derivative makes the fund a commodity pool. Spot crypto is not a commodity interest under the CEA (the CFTC’s anti-fraud authority over spot is separate). A fund that trades only spot BTC/ETH does not need CPO analysis on that basis alone --- but custody, AML, and SEC enforcement priorities still apply.

XVI. ERISA --- The 25% Plan-Asset Rule

DOL plan-asset regulation (29 CFR §2510.3-101). If “benefit plan investors” hold 25% or more of the value of any class of equity interests in the entity, the entity’s underlying assets are deemed plan assets, subjecting the manager to ERISA fiduciary duty as to those assets and to the prohibited transaction rules (ERISA §406; IRC §4975).¹⁰

The 25% test runs class-by-class. A common emerging-manager mistake: assuming the test is fund-level. With a master-feeder, the test runs at the master and at each feeder separately.

VCOC and REOC exceptions are not available to hedge funds (they’re not operating companies or real-estate operating companies). The standard work-around for hedge funds: cap benefit-plan-investor participation at 24.99% of each class. Monitored at every subscription and redemption; documented in the LPA.

If you accept ERISA status (the GP becomes an ERISA fiduciary), the fund operates as an ERISA-regulated plan-asset vehicle. ERISA status materially limits permitted transactions --- no transactions with parties in interest, prohibited use of plan assets to benefit the GP. For emerging managers raising from family offices and HNWs, the 25% cap is the standard answer.

XVII. The Tax Surface

A. Pass-through entity, K-1 character.

The U.S. feeder is taxed on a K-1 basis. The Cayman master is elected as a partnership for U.S. tax purposes (check-the-box). The Cayman offshore feeder is a corporation for U.S. tax purposes (no pass-through for the offshore LP).

B. Mark-to-market under IRC §475(f).

A trader (not investor) electing §475(f) recognizes ordinary gain/loss on year-end position values; converts capital character to ordinary. Election is by trade or business and is essentially irreversible. Only “traders” qualify (high turnover, substantial volume); investors don’t. The case-law standard is the Higgins line and downstream Tax Court precedent --- facts and circumstances. See Higgins v. Comm’r, 312 U.S. 212 (1941); Mayer v. Comm’r, T.C. Memo. 1994-209; see generally Glenn P. Schwartz, How Many Trades Must a Trader Make to be in the Trading Business?, 22 Va. Tax Rev. 395 (2003).

The election mechanics: attach a §475(f) statement to the unextended prior-year return (covering the year before the year of election); then file Form 3115 (Application for Change in Accounting Method) in the year of election to formalize the accounting-method change. IRC § 475(f); Rev. Proc. 99-17.¹¹ Missing the prior-year statement deadline costs you the election for that year.

For high-turnover hedge funds, the §475(f) election can simplify compliance (no wash-sale tracking, no straddle rules, no character bifurcation) but loses LTCG character. The election is a strategy-specific judgment --- discuss with your tax preparer at fund formation.

C. Wash sale rule (IRC §1091).

Applies to substantially identical securities sold at a loss and repurchased within 30 days. Defers the loss into the new position’s basis. A pain for high-turnover funds; the §475(f) election eliminates it.

D. Constructive sale rule (IRC §1259), straddle rules (IRC §1092), §988 forex.

§1259: short-against-the-box and similar offsetting positions trigger constructive-sale recognition. §1092: offsetting positions defer losses on the loss side. §988: foreign-currency transactions are ordinary income/loss (matters for any global-macro fund).

E. §1256 60/40 treatment.

Regulated futures contracts and §1256 contracts (including some crypto futures listed on a qualified board or exchange) get 60% LTCG / 40% STCG treatment regardless of holding period. CFTC-regulated funds and any fund with cleared futures exposure should plan around §1256.

F. Qualified dividend income.

Special character for dividends meeting holding-period and corporate-source requirements. Pass-through to LPs as qualified dividend. Rates are favorable; tracking is administrative.

G. PFIC rules for the offshore feeder.

U.S.-taxable LPs investing in a Cayman corporate feeder face PFIC rules. The standard fix: each U.S. LP elects QEF (qualified electing fund) treatment to recognize income annually rather than face PFIC excess-distribution rules. The fund manager files PFIC Annual Information Statements so U.S. LPs can make the election.

H. UBTI / ECI.

Tax-exempt LPs care about UBTI from debt-financed property income (§514) --- most leveraged hedge strategies trigger UBTI directly through a U.S. partnership. The standard fix: route U.S. tax-exempts through the Cayman feeder to convert UBTI into PFIC inclusions (QEF election).

Non-U.S. LPs care about ECI (effectively connected income). Most hedge funds avoid ECI through the safe harbor of §864(b)(2) --- trading in stocks or securities for one’s own account is not a U.S. trade or business if certain conditions met. The Cayman master is structured to fall within this safe harbor.

I. §7704 publicly-traded-partnership concerns.

A continuously-offered hedge fund with frequent subscription/redemption activity raises §7704(b) “readily tradable on a secondary market (or the substantial equivalent thereof)” concerns. Most practitioners avoid this through structural choices (redemption-suspension thresholds, qualified-matching-service rules under Treas. Reg. §1.7704-1(g)). The §7704(c) safe harbor for partnerships not traded on a public exchange and meeting the “qualifying income” requirements (90%+ qualifying) provides a defensive position for most pure-trading hedge funds.

J. State entity-level tax.

NY-based hedge GPs face NYC Unincorporated Business Tax (4% on NY-source partnership income), state income tax, and NY PTET (the post-TCJA workaround). California GPs face the LLC franchise tax + LLC fee. Connecticut, New Jersey, and Texas have their own regimes.

K. The §83(b) election.

Same as venture. The GP’s profits-interest grant gets §83(b)-elected within 30 days of grant --- irreversible. The single most common founder-level tax error in hedge fund formation.

XVIII. 1934 Act Reporting (When Hedge Fund Positions Trigger Reporting)

Aggregated hedge fund positions can trigger 1934 Act ownership reporting obligations. The basics:

A. Schedule 13D / 13G.

Required if the fund (alone or with affiliated reporting persons) acquires beneficial ownership of >5% of a Section 12-registered class. Following SEC Release 33-11253 (Oct 10, 2023), effective dates phased:

13D: initial filing within 5 business days of acquiring >5% (down from 10 calendar days). Amendments within 2 business days of any material change. Effective Feb 5, 2024.¹²

13G post-Sept 30, 2024: QIIs (Rule 13d-1(b)) and Exempt Investors (Rule 13d-1(d)) at 45 days post-quarter-end (was 45 days post-year-end). Passive Investors (Rule 13d-1(c)) at 5 business days after acquiring > 5% (down from 10 calendar days). Amendments within 2 business days of any material change. For QIIs crossing 10%, an interim filing within 5 business days after end of month in which 10% is crossed.

B. Form 13F.

Required of “institutional investment managers” exercising investment discretion over $100M+ of 13(f)-eligible securities. Quarterly within 45 days of calendar quarter-end.

C. Schedule 13H --- Large Trader Reporting.

If aggregate trading reaches identifying-activity-level (2 million shares or $20M in a single day, or 20 million shares or $200M in a calendar month).

XIX. Side Letters, MFN, and Capacity Rights

Same framework as venture. Hedge-specific applications: gate exemptions for institutional LPs (a side-letter provision exempting a specific LP from the fund-level gate), MFN tied to fee discounts, transparency rights (more granular position-level reporting than the standard quarterly reports), key-person rights. Capacity rights are less common in hedge than in PE/VC because hedge AUM scales with strategy capacity rather than committed-capital allocation.

XX. The Niche Topics

A. Crypto-native hedge funds.

Custody is the structural challenge. Spot crypto custody through a regulated qualified custodian. AML overlay through the fund administrator. CFTC analysis if cleared crypto derivatives. SEC enforcement priorities --- the firm’s published view emphasizes that the existing Custody Rule (17 CFR § 275.206(4)-2) remains in effect, while the SEC’s proposed 2023 Safeguarding Rule (Rel. No. IA-6240) — which would have substantially expanded custody obligations for digital assets — was never finalized. The Fifth Circuit’s 2024 vacatur of the SEC’s Private Fund Advisers Rule (NAPFM v. SEC) addressed a separate adviser-conduct rulemaking, not custody. Plan around the conservative reading: a regulated qualified custodian where available, plus carefully documented custody procedures.

B. Seeded emerging managers.

A seed LP (Investcorp Tages, Leucadia, PAAMCO, or similar emerging-manager platform) brings capital, infrastructure, and operational support in exchange for revenue-share, capacity rights, key-person rights, board observer seats, and operational consent rights. Terms vary widely; the 15%—30% revenue-share + small carry-share + 7-10 year tenor is a typical mid-band. The fund-document negotiation is fundamentally different --- the seed LP’s counsel drafts much of it. For a first-time hedge fund, a seed deal is often the difference between an emerging-manager career and a real platform.

C. Risks and failure modes.

Hedge funds carry structural risks venture funds don’t. Run-on-the-fund --- coordinated LP redemptions force liquidations that drive remaining LPs’ returns down. NAV-pricing disputes during crisis --- when markets seize, fair-value methodology becomes contested. Side-pocket markdowns --- illiquid positions that don’t recover. Prime-broker termination --- the PB is the operational lifeline; losing it is existential. Capital-call default mechanics aren’t structurally applicable (hedge funds don’t have capital calls), but redemption-pressure during a drawdown is the analog. The fund administrator and auditor are the operational defense; documenting valuation methodology in the LPA and reviewing it with the auditor pre-launch is the structural defense.

XXI. Insurance, BCP, and Cyber

D&O for the GP entity and management company --- typical limits, what’s covered, side A vs B vs C structure. E&O / management liability for professional negligence. Fidelity bond required for any plan-asset fund under ERISA §412 (coverage minimum 10% of plan assets up to $500K). Cyber insurance --- increasingly required by institutional LPs; standalone cyber towers $1M—$5M for emerging managers. Premium economics: $25,000—$50,000/year for a $25—50M fund’s D&O+E&O; rising materially on AUM. Business Continuity Plan under Advisers Act Rule 206(4)-7 once registered.¹³

XXII. What Comes Next --- Fund II and Beyond

Same structural notes as venture. Fund II overlays: §17 / §206 affiliated-transaction rules (cross-trades between affiliated funds, principal-trade disclosure and consent under §206(3)), team-economics reset, GP commitment funding, ESG/diversity reporting, institutional LP shift. Plan from Fund I’s LPA.

XXIII. What Does a Hedge Fund Formation Attorney Actually Do?

Drafts the LPA, GP and ManagementCo OAs, PPM, and subscription agreement. Structures the entities (Delaware fund + GP + ManagementCo, plus Cayman master + offshore feeder if applicable). Files Form D, state notices, and the Form ADV ERA filing (or full RIA registration if AUM ≥ $150M). Drafts CFTC Rule 4.13 notice if commodity exposure applies. Coordinates with prime broker, fund administrator, auditor, custodian, and tax preparer. Reviews marketing materials for Marketing Rule compliance. Handles AML postponement, ERISA 25% monitoring, side-letter and MFN negotiation. After the fund is up: ongoing fund counsel handles redemption disputes, gate enforcement, regulatory filings, the eventual Fund II.

For a quote tailored to your fund’s specific structure, schedule a 30-minute consult with Astraea Counsel. The information in this guide is general and not legal advice; for advice on your specific situation, consult a member of the California bar (verify Astraea Counsel’s bar credentials at calbar.ca.gov).

XXIV. Glossary

Accredited investor: An investor meeting the Reg D 501(a) thresholds --- see venture article glossary.

Cayman exempted company: A Cayman corporate structure used as the typical hedge-fund master and offshore feeder.

Cayman exempted limited partnership: A Cayman partnership structure (alternative to exempted company).

CFTC Rule 4.13(a)(3): The de minimis CPO registration exemption.

CFTC Rule 4.7: The QEP-only registered-CPO exemption with reduced obligations.

CIMA: Cayman Islands Monetary Authority --- the Cayman regulator for funds.

Crystallization: The point at which performance fee is paid out to the GP, typically annually.

ERA (Exempt Reporting Adviser): An investment adviser exempt from full SEC registration but required to file abbreviated Form ADV.

ERISA 25% rule: DOL plan-asset regulation triggering ERISA fiduciary status for the GP if benefit plan investors hold 25%+ of any equity class.

Equalization: Mechanism for equalizing performance-fee accrual when LPs subscribe mid-period. Series accounting (US-domestic) or equalization shares (master-feeder).

Form ADV: The federal investment adviser registration / notice form filed through IARD.

Form PF: SEC private-fund reporting form. Required for SEC-registered Investment Advisers managing $150M+ in private fund assets.

Gate: A redemption mechanism limiting the percentage of fund NAV that can be redeemed in a given period. Investor-level or fund-level.

High-water mark (HWM): A per-LP NAV peak above which performance fee accrues.

Hurdle rate: A return threshold the fund must exceed before performance fees accrue. Soft (trips on crossing) or hard (charged only on excess).

Lock-up: Period during which an LP cannot redeem. Soft (with redemption fee) or hard (no redemption).

Master-feeder: Three-entity hedge fund structure: master + U.S. feeder + offshore feeder.

NAV (Net Asset Value): The mark-to-market value of fund positions, less accrued fees.

Performance allocation: A profits allocation under partnership tax giving the GP capital gain character (US-feeder structure).

Performance fee: A fee charged on net new gains, taxed as ordinary income to the manager (Cayman feeder structure).

PFIC: Passive Foreign Investment Company rules applicable to U.S. LPs in the Cayman offshore feeder. Mitigated by QEF election.

Prime broker (PB): Counterparty providing financing, custody, execution, and reporting.

QEP: Qualified Eligible Person --- the CFTC threshold combining QP-equivalent + qualified-client-equivalent.

Qualified client: Advisers Act Rule 205-3 threshold for performance-fee charging --- $1.4M AUM-with-adviser or $2.7M net worth (effective June 29, 2026).¹⁴

Qualified purchaser: Investment Company Act §2(a)(51) --- $5M+ in investments (natural person) or $25M (institution).

Redemption: An LP’s withdrawal of capital from the fund at NAV. Subject to lock-up, notice period, gate, suspension.

Side pocket: A segregated portion of the fund holding illiquid or hard-to-value positions.

UBTI: Unrelated Business Taxable Income --- concern for U.S. tax-exempt LPs investing through partnerships with debt-financed income.

<!-- no-source: SEC Rel. 33-11253 cited but PDF not yet pulled into hedge host-repo folder; venture article hosts a copy --> <!-- no-source: All three Form PF cites (IA-6297, IA-6546, joint PR) are not yet pulled into hedge host-repo folder; venture article hosts IA-6297 only --> <!-- no-source: 89 FR 78793 release PDF not yet pulled into hedge host-repo folder --> <!-- no-source: Form 3115 is an IRS form, not hosted as primary source --> <!-- no-source: Cayman primary law (Mutual Funds Act, Private Funds Act, CIMA fee schedule) is foreign primary law; firm does not host --> <!-- no-source: 206(4)-5 (pay-to-play) + 206(4)-7 (compliance program) PDFs not yet pulled into hedge host-repo folder -->

Footnotes

1. Cayman Mutual Funds Act (2020 Revision); Private Funds Act 2020; CIMA “Revisions to Fees Payable by Regulated Mutual Funds and Regulated Private Funds” (2026). ↩

2. 17 CFR § 275.205-3 (qualified client). PDF ↩

3. 17 CFR § 270.2a51-1 (qualified purchaser). PDF ↩

4. 17 CFR § 275.203(m)-1 (private fund adviser exemption). PDF ↩

5. SEC Form PF Amendments, Rel. No. IA-6297, 88 Fed. Reg. 38146 (June 12, 2023) (effective Dec. 11, 2023; Section 5/6 event reporting). SEC/CFTC Form PF Amendments, Rel. No. IA-6546, 89 Fed. Reg. 17984 (Mar. 12, 2024) (broader-package 2024 amendments). SEC/CFTC Joint Press Release, Form PF Compliance Date Extended to Oct. 1, 2026 (Sept. 17, 2025). ↩ ↩²

6. FinCEN Final Rule, Delaying the Effective Date of the Anti-Money Laundering / Countering the Financing of Terrorism Program and Suspicious Activity Report Filing Requirements for Registered Investment Advisers and Exempt Reporting Advisers, 90 Fed. Reg. 2025-24184 (Jan. 2, 2026); compliance date postponed to Jan. 1, 2028. PDF ↩

7. FinCEN Interim Final Rule, Beneficial Ownership Information Reporting Requirements, 90 Fed. Reg. 13688 (Mar. 26, 2025) (narrowing CTA reporting to foreign reporting companies). PDF ↩

8. 17 CFR § 4.13(a)(3); 17 CFR § 4.7; CFTC Final Rule, Investor Protection Through Updated Threshold Levels for Qualified Eligible Persons, 89 Fed. Reg. 78793 (Sept. 26, 2024). PDF PDF ↩

9. CFTC Letter 25-50 (Dec. 19, 2025) (no-action relief for SEC-RIAs to QEP-only pools, reinstating substance of former Rule 4.13(a)(4)). PDF ↩

10. 29 CFR § 2510.3-101 (ERISA plan-asset regulation; 25% threshold). PDF ↩

11. IRC § 475(f) (mark-to-market trader election); Rev. Proc. 99-17 (election timing and procedural mechanics); Form 3115 (Application for Change in Accounting Method). PDF PDF ↩

12. SEC Final Rule, Modernization of Beneficial Ownership Reporting, Rel. No. 33-11253 (Oct. 10, 2023); effective dates Feb. 5, 2024 (13D) and Sept. 30, 2024 (13G). ↩

13. Advisers Act Rule 206(4)-1 (Marketing Rule); Rule 206(4)-5 (pay-to-play); Rule 206(4)-7 (compliance program). PDF ↩

14. SEC Order Approving Adjustment for Inflation of the Dollar Amount Tests in Rule 205-3, 91 Fed. Reg. 2026-08480 (May 1, 2026), effective June 29, 2026. PDF ↩