How to Evaluate a Hedge Fund's Leverage and Margin Practices Before Investing

TL;DR: A hedge fund's leverage is the single biggest driver of how much money you can lose, and most offering documents make it hard to see. Leopold Aschenbrenner's AI-focused fund Situational Awareness reportedly faced an SEC leverage investigation and a forced liquidation in July 2026 after a bet on AI infrastructure names moved against it. Archegos Capital Management ran gross exposure of roughly $160 billion on $36 billion of capital before it collapsed in March 2021, according to the SEC's complaint against Bill Hwang. Both cases share a root cause: leverage nobody outside the fund could see until it broke. This guide gives you the questions to ask, the filings to pull, and the math to run before you wire a dollar to a fund using material leverage.

Why Leverage Is the Question, Not a Question

You already know hedge funds borrow money and use derivatives to amplify returns. What you need to internalize before you allocate a dollar is this: leverage is not one line item on a fact sheet. It's a structure that touches every part of a fund's risk, and most of it never shows up in the materials a fund sends you.

Situational Awareness, the AI-focused fund built around Leopold Aschenbrenner's thesis on AI capability growth, reportedly ran concentrated, leveraged bets on AI infrastructure names. When those positions moved against the fund in July 2026, reports pointed to a forced liquidation and an SEC inquiry into its leverage practices. You don't need every detail confirmed to take the lesson: one high-conviction thesis, amplified by borrowed money, can turn a thriving fund into an unwinding one in weeks. That's the same arc Archegos followed in 2021, with a different thesis and asset class.

Your job as an allocator is to find the leverage before it finds you. Read the disclosures that exist. Ask the questions that fill the gaps. Size your commitment to the worst case, not the pitch.

What Form ADV Part 2A and Offering Docs Should Tell You

Every SEC-registered investment adviser files a Form ADV. Part 2A, the "brochure," is public. Pull it from the SEC's Investment Adviser Public Disclosure database before you get on a call with the manager.

The SEC's instructions for Form ADV Part 1A define a "hedge fund" partly by two leverage triggers: whether the fund may borrow more than 50% of net asset value (NAV), or carry gross notional exposure greater than 2x NAV. If a fund checks either box, you're looking at a vehicle built to run leveraged. That's not automatically bad. It is automatically a reason to dig deeper.

What the brochure typically won't tell you:

• The fund's actual current gross exposure, as opposed to the maximum it's permitted to run
• Which prime brokers hold the fund's positions and how concentrated that relationship is
• Whether the fund uses total return swaps or other synthetic instruments that build exposure without owning the underlying security
• Margin call triggers specific to the fund's financing agreements
• How correlated the fund's positions are, which determines how fast a bad move cascades into a liquidity crisis

Ask for that information directly. A manager who won't give you straight answers here is telling you something, even if the words sound reassuring.

Gross Exposure vs. Net Exposure: The Number That Hides the Risk

This is the single most important distinction in this guide. Learn it, and you'll ask better questions than most institutional allocators.

Net exposure is long positions minus short positions. A fund with $150 million long and $130 million short on $100 million of capital has net exposure of $20 million, or 20% of NAV. That sounds conservative and market-neutral.

Gross exposure is long positions plus short positions. That same fund has gross exposure of $280 million, or 280% of NAV. That's a fund carrying nearly three times its capital in market risk, even though the net number looks tame.

Here's why that gap matters. If the long book and short book move against the fund at the same time, a real risk during a liquidity crunch, the fund doesn't lose 20% of NAV. It can lose a multiple of that, because gross exposure determines how much capital is at risk when correlations break down. Archegos is the extreme version. Bill Hwang's fund grew from roughly $1.5 billion in capital with about $10 billion of exposure in March 2020 to more than $36 billion in capital with roughly $160 billion of exposure by March 2021, per the SEC complaint. That's gross exposure running above 4x NAV, built almost entirely through total return swaps that let the fund hold concentrated bets without any single bank seeing the whole picture.

Ask for gross exposure as a percentage of NAV, not just net. If a manager only volunteers net, ask again, specifically.

The Due-Diligence Checklist: Questions to Ask Before You Wire Money

Bring this list to every call with a fund manager using material leverage. Write down the answers. Compare them to the ADV and offering memorandum. Gaps between what you're told and what's on paper are red flags.

• What is your current gross exposure as a percentage of NAV, and what has it been at the high and low points over the last 24 months?
• How many prime brokers do you use, and what percentage of financing sits with your single largest counterparty?
• Do you use total return swaps or other synthetic derivatives, and what percentage of your book is held this way rather than through direct ownership?
• What are the specific margin call triggers in your financing agreements?
• Have you ever received a margin call that required a forced sale, and what happened to NAV that period?
• How correlated are your top ten positions, and what single-day loss would breach your internal risk limits?
• Do you report under Form PF, and at what tier?
• Who owns counterparty risk, and does that person report independently of the portfolio managers placing the trades?
• What happens to investor capital in a forced liquidation, and where do you sit relative to prime broker claims?

If a manager answers all nine clearly and specifically, that's a good sign. Vague or deflecting answers on more than one or two give you your answer about whether to allocate.

Archegos: The Cautionary Precedent, With the Real Numbers

You cannot evaluate hedge fund leverage without understanding Archegos Capital Management. It's the clearest modern case of leverage nobody outside the fund could see until the collapse was underway.

Archegos was structured as a family office, which meant lighter disclosure than a typical hedge fund managing outside money. Bill Hwang built concentrated positions in a small number of stocks, including ViacomCBS, using total return swaps with Credit Suisse, Nomura, Morgan Stanley, Goldman Sachs, UBS, and Deutsche Bank. Each bank saw only its own piece of Hwang's exposure. None saw the aggregate picture.

The numbers, per the SEC's April 2022 complaint against Hwang and former CFO Patrick Halligan, tell the story. Archegos grew from roughly $1.5 billion in capital and $10 billion in exposure in March 2020 to more than $36 billion in capital and roughly $160 billion in exposure by March 2021. That's exposure scaling 16 times over in a single year, invisible to any one counterparty because the swaps split the risk across six banks.

The unwind was brutal and fast. A Reuters summary of the Paul, Weiss post-mortem report commissioned by Credit Suisse found the bank had cut its margin requirement on Archegos swaps from 15%-25% down to 7.5% in 2019, making it cheaper for Hwang to run more leverage. When ViacomCBS shares dropped sharply in late March 2021, margin calls hit all six banks at once. Credit Suisse alone lost $5.5 billion. Combined losses across Credit Suisse, Nomura, Morgan Stanley, and UBS totaled roughly $10 billion, per Reuters, May 2022.

Two lessons carry into your due diligence today. First, lightly regulated structures can hide the same leverage risk as a registered fund, sometimes worse, because disclosure is thinner. Second, splitting exposure across prime brokers doesn't reduce risk. It hides the aggregate number until every counterparty gets margin calls the same day.

Form PF: What Changed, and Why It Still Isn't Enough

Form PF is the confidential systemic-risk report large private fund advisers file with the SEC and CFTC. It exists because regulators need a window into leverage and counterparty concentration that public markets don't provide.

The rules changed after Archegos. According to the SEC and CFTC's 2024 Form PF fact sheet, large hedge fund advisers, those managing at least $500 million in hedge fund NAV, must now report more granular data on borrowing, counterparty exposure, and leverage carried through trading vehicles, with amended reporting effective June 2025. That's a direct response to the blind spot Archegos exploited: exposure spread across counterparties in a way no single filing captured.

Here's the catch. Form PF is confidential. You, as an LP, don't get to read it. Only regulators do. Improved reporting means regulators can catch the next Archegos earlier. It is not a substitute for asking a fund manager the direct questions in the checklist above.

Leverage Disclosure: Red Flags vs. Green Flags

Signal	Red Flag	Green Flag
Gross exposure reporting	Only discloses net exposure; won't provide gross	Reports gross and net exposure with historical range
Prime broker relationships	Single prime broker or won't disclose count	Multiple prime brokers with disclosed concentration limits
Use of swaps	Heavy reliance on total return swaps, undisclosed percentage	Clear breakdown of direct ownership vs. synthetic exposure
Margin history	Refuses to discuss past margin calls	Discloses margin call history and portfolio impact transparently
Structure	Family office avoiding registration to limit disclosure	Registered adviser filing Form ADV and Form PF where required
Risk governance	Portfolio manager also owns risk sign-off	Independent risk function with real veto power

Jeff's Bottom-Line Framework for Sizing an Allocation

You don't need a risk degree to size this correctly. You need a framework you'll actually use. Here's mine.

Start with gross exposure, not the pitch. Any fund running gross exposure above 3x NAV needs a higher bar of justification than one running under 1.5x. That's not automatic disqualification. Some strategies, like market-neutral long-short books, legitimately need higher gross exposure to generate returns from small spreads. But higher gross exposure means you size your allocation smaller, full stop. Never let one leveraged fund represent a position you can't stomach losing entirely.

Second, weight counterparty concentration the way you'd weight it for a bank stock. Six prime brokers spreading the same aggregate exposure isn't automatically safer than one broker with lower total exposure. Ask for the aggregate number across all counterparties, and treat a fund that can't produce it as one you can't assess.

Third, ask what happens on the worst day, not the average day. What was the fund's maximum drawdown, and did it coincide with a margin call? Losing 15% because positions moved against you is a different risk profile than losing 15% meeting a margin call. The first is a normal outcome. The second is a leverage failure, and it repeats.

Finally, size to the failure mode, not the base case. Situational Awareness and Archegos both had strong performance before leverage caught up with them. Recent returns tell you nothing about how a fund behaves when financing terms tighten. Only direct questions about exposure and margin triggers tell you that.

Frequently Asked Questions

What's a reasonable gross exposure level for a hedge fund to run?

There's no single safe number. It depends on strategy. A market-neutral long-short fund might run 200% to 300% gross exposure with genuinely lower risk than a directional fund running 120% gross, because its longs and shorts offset each other. What matters is whether the manager can explain why the number fits the strategy and show you the historical range. A fund that can't explain its gross exposure in plain terms is a bigger problem than the number itself.

How is Situational Awareness different from Archegos as a case study?

Situational Awareness was reportedly built around a public thesis on AI infrastructure tied to Aschenbrenner's views, while Archegos ran concentrated, undisclosed bets across unrelated stocks through swaps with six banks. The common thread isn't the asset class. It's concentration plus leverage plus limited visibility into the aggregate position. Both show a fund can look successful right up until a move against its thesis forces a liquidation that outpaces how fast the fund, or its lenders, can react.

Does a fund registering with the SEC mean its leverage is safe?

No. Registration means a fund files certain disclosures and operates under certain rules, including Form ADV and, for larger funds, Form PF. It doesn't mean regulators cap the fund's leverage, and it doesn't mean you see the details that matter most, like current gross exposure or prime broker concentration. Archegos avoided scrutiny partly by operating as a family office. A registered fund can still run dangerous leverage entirely within the rules. Registration is a floor, not a guarantee.

What should I do if a fund manager won't answer my leverage questions directly?

Walk away, or treat the refusal as material information on its own. A manager running responsible leverage practices wants to explain the risk framework, because it's a selling point. Evasiveness on gross exposure, counterparty concentration, or past margin calls is the same signal Credit Suisse's risk teams reportedly missed with Archegos: a counterparty that wouldn't open its books, treated as an acceptable cost of doing business. Don't make that trade with your own capital.

Author Disclosure: Jeff Barnes, MBA has no personal position in any company, fund, or platform named in this article. Angel Investors Network has no current commercial relationship with any party mentioned. AIN provides marketing and education services, not investment advice. Past performance does not guarantee future results. All investments involve risk, including loss of principal.