A comprehensive guide to hedge fund legal structures, lock-up periods, and key liquidity considerations for portfolio managers and investors.
Ever talk to a friend who’s invested in a hedge fund and get lost in the jargon around “LP structures” or “lock-ups”? Don’t worry—it’s something many of us have experienced. Hedge funds can feel mysterious, but underneath the fancy words lie core legal and operational frameworks designed to manage risk, attract the right investors, and align those investors’ commitments with the fund manager’s investment approach.
In this section, we’ll explore the typical legal setups that hedge funds use, the role of lock-up periods that keep investors’ capital in the fund for a certain window of time, and what it really means to talk about liquidity (i.e., how quickly you can get your money out). We’ll also look at redemption frequencies, notice periods, “gates,” side pockets, and more. By the end, you should have a solid grasp of how hedge fund legal structures and liquidity terms intersect to serve both the fund manager and the investors.
Hedge funds often have multiple layers to serve different investor types and various regulatory needs. If you’re new to this, the way hedge funds structure themselves can be confusing—sort of like seeing a puzzle with pieces that seem to overlap. But if you break it down step by step, it gets clearer.
One of the most common onshore structures is a Limited Partnership (LP). In an LP, you typically have:
In the United States, for instance, many hedge funds are formed as Delaware LPs due to the state’s favorable corporate laws and well-defined legal precedents. The GP will manage the partnership on a day-to-day basis, while the LPs are mostly passive investors with rights and obligations laid out in the limited partnership agreement (LPA).
For non-US investors or US tax-exempt entities such as pension plans, charities, or endowments, you’ll often see hedge funds established in offshore domiciles (like the Cayman Islands or the British Virgin Islands). These jurisdictions are chosen largely because:
Offshore funds are often organized as corporations rather than partnerships. That means instead of being “partners,” investors are often “shareholders.” This can simplify tax structuring, especially if you’re trying to accommodate investors who need to minimize certain “unrelated business taxable income” (UBTI) or want to sidestep complications associated with direct US tax filings.
If you’ve heard the phrase “master-feeder,” you’ve probably wondered what the big deal is. It’s a very common arrangement where:
This setup allows for administrative efficiency: the manager only trades in the master fund, while each feeder invests in the master on behalf of its specific investor base. It also keeps tax flows more streamlined across various investor types.
Here’s a quick look at a master-feeder structure to visualize it:
flowchart LR A["Investor A (US Taxable)"] B["Investor B (Non-US or US Tax-Exempt)"] C["Onshore Feeder Fund <br/> (LP)"] D["Offshore Feeder Fund <br/> (Offshore Corp)"] E["Master Fund"] F["Hedge Fund Manager"] A -- invests --> C B -- invests --> D C -- invests --> E D -- invests --> E E -- mgmt & perf fees --> F
Lock-up periods can feel slightly frustrating to investors at first, like being told: “You can’t withdraw your money yet.” But from a hedge fund’s perspective, lock-ups are critical. They mean that—for at least a certain time—investors’ capital is committed and cannot be redeemed. This helps the manager:
Some hedge fund strategies—like distressed debt investing or certain event-driven approaches—take time to unfold. If you’re investing in a complex legal claim or undergoing a multi-year turnaround of a struggling company, you really don’t want to face monthly redemptions. Lock-ups let the manager breathe and focus on the actual trades.
Lock-ups vary widely:
In practice, many funds will give new investors a soft or informal lock-up for the first year or so, especially if the investor got favorable terms or a discounted fee structure when joining.
A close cousin to the lock-up is the redemption frequency—how often can an investor redeem (e.g., monthly, quarterly, annually)? In addition, funds often require a “notice period,” which is the time in advance you must notify the manager if you want to get out. Typical notice periods can be 30, 60, or 90 days, although some require even longer.
With many hedge funds, there’s a trade-off: the more illiquid (and potentially higher-return) the strategy, the longer the possible lock-up or redemption restrictions that come along with it.
“Gates” are provisions in the legal documents allowing the fund to limit the percentage of assets that can be redeemed during a given redemption period. For example, a gate might say the fund won’t allow redemptions of more than 20% of its net asset value (NAV) in one quarter.
From an investor’s standpoint, gates can be both protective and restrictive. Protective, because you don’t want a mass exodus that kills the fund. Restrictive if you’re the one who wants your money out and the gate blocks you. So, if you see a gate provision, it’s worth understanding the triggers and how it’s calculated.
No, these aren’t literal pockets on someone’s slacks. A “side pocket” is a mechanism to segregate illiquid or hard-to-value assets from the main portfolio so that incoming and outgoing investors aren’t disadvantaged because of valuation uncertainties. Essentially, the manager sets aside those tricky assets into a separate “pocket,” and investors share in those side pocket investments on a pro rata basis, typically based on when the side pocket was created.
A side pocket can last for years if the underlying investments are locked in litigation, in complicated reorganizations, or need a major turnaround. This structure is common in funds that dabble in distressed credit, private deals, or other “lumpy” positions that don’t have a ready market price.
In an ideal world, a fund’s liquidity terms (lock-ups, redemption frequencies, gating provisions) closely match the liquidity of its underlying portfolio. For example:
When liquidity terms and assets become misaligned, it can lead to big problems. In 2008, many funds faced a wave of redemption requests they simply couldn’t meet—leading to panic, gating, or forced asset sales at depressed prices. So any good hedge fund manager tries to make sure redemption terms reflect the reality of their strategy’s turnover and liquidity.
You might wonder, “Why do managers pick the Cayman Islands or the British Virgin Islands so often?” Part of it is regulatory sophistication, part is tax neutrality, and part is investor familiarity. Offshore domiciles often:
However, these offshore setups still need to comply with the international standards of anti-money laundering (AML), “know your customer” (KYC) rules, and other global regulations.
For the onshore side—like a Delaware LP or a limited liability company (LLC) in the US—tax treatment is often chosen to be “pass-through,” so the fund itself doesn’t get taxed. Instead, each investor handles their own share of gains or losses.
Darling, if there’s one place I’ve seen confusion and heartbreak, it’s in the fine print of fund documents. Before you or anyone invests in a hedge fund, it’s super important to read (and maybe even highlight) the following:
Subscription Agreement
This is the contract you sign to join the fund. It details how much you’re investing, your representation of who you are (e.g., accredited investor status), and your agreement to abide by the fund’s rules.
Offering Memorandum (OM)
Think of this as the fund’s “manual.” An OM (also called a private placement memorandum, or PPM) outlines the fund’s strategy, the manager’s background, the fees, the potential risks, and the liquidity terms—like the lock-up, redemption frequencies, gates, and side pockets. Any disclaimers or risk disclosures typically go here as well.
Limited Partnership Agreement (LPA)
For onshore LP structures, this legal bucket cements the roles, responsibilities, and rights of the GP and LPs, including distribution waterfalls, manager compensation, and dispute resolution procedures.
Side Letter Agreements
Sometimes big or strategic investors might negotiate separate preferential terms for management fees or redemption schedules. This typically happens behind the scenes, but it’s worth knowing side letters can exist if you’re a major investor with bargaining power.
• Align liquidity with strategy. If you need multi-year lock-ups to do your strategy well (e.g., deep distress, private deals), say that up front.
• Maintain transparent communication with investors, especially around gating triggers or the creation of side pockets. Surprises can destroy investor trust.
• Ensure that regulatory compliance is top-notch—reporting, audits, AML, etc.
• Promising liquidity that outstrips what the underlying assets can deliver. That can lead to big trouble if the market tightens.
• Overlooking the tax implications of an offshore entity for certain investor types. Everyone’s situation is different, so get that sorted.
• Failing to read or sufficiently understand the partnership documents. I once had a colleague who assumed a monthly redemption, only to find out it was annual with a 90-day notice period—big difference.
Years back, a close friend invested in a multi-strategy hedge fund that specialized in illiquid debt securities. At the time, they thought a quarterly redemption schedule was “just fine.” Then a year later, they needed to access their capital faster for a home purchase. That was a big wake-up call—turns out, the notice period plus the gating provision meant it took close to six months (!) to actually receive redemption proceeds. Moral of the story? Always plan for those “just in case” scenarios and know the liquidity constraints before signing up.
If you’re preparing for the CFA exam, especially at Level III (where it all comes together in portfolio management contexts), here are some pointers to keep in mind:
• Understand how lock-up periods, notice periods, and redemption frequencies protect a manager’s investment style and minimize forced selling.
• Remember that gates and side pockets are not just random obstacles for investors but also protective mechanisms for the fund and for investor fairness.
• Any question about aligning hedge fund liquidity to strategy: you’ll almost always emphasize how illiquid assets require longer lock-ups or less frequent redemption windows.
• Pay attention to tax structures and investor types (onshore vs. offshore). The reason behind master-feeder structures often revolves around accommodating different tax profiles.
• Try to recall conceptual definitions:
• Lock-Up Period: The timeframe during which investors cannot withdraw their capital.
• Gate: A limit on the amount of capital that can be redeemed during a given period.
• Side Pocket: A separate accounting for illiquid or hard-to-value assets.
• Limited Partnership (LP): A widely used legal structure where limited partners provide capital.
• Offshore Domicile: A location outside of the fund manager’s home country used for tax efficiency.
• Subscription Agreement: The contract detailing an investor’s commitment and terms.
• Offering Memorandum: The comprehensive disclosure document with strategy, risks, and governance.
• Notice Period: The required advance notice an investor must give to redeem.
• Veale, Stuart R. (2014). Private Equity and Hedge Funds: Regulation and Compliance.
• Spangler, Timothy (2020). The Law of Hedge Funds.
• Cayman Finance: https://www.caymanfinance.gov.ky/
Additional reading on hedge fund structures and best practices can also be found through the Alternative Investment Management Association (AIMA) website, which has topical guides and regulatory updates.
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