AltMountain

Castle Hook Offshore Fund Ltd.

Grand Cayman, Cayman Islands · CIK 1688388 · Managed by Castle Hook Partners LP
Offshore

Castle Hook Offshore Fund Ltd. is a hedge fund based in Grand Cayman, Cayman Islands. According to its most recent Form D, filed Jul 31, 2026, the fund has sold $2,225,718,361 of interests to 119 investors since its first sale in Nov 2016. The minimum investment it accepts from an outside investor is $100,000. It relies on the Section 3(c)(7) exclusion, so investors generally must be qualified purchasers. The offering uses Rule 506(b), which does not permit general solicitation. Related persons named in the filing include Castle Hook Partners LP; John Lewis; John Ackerley.

Performance

13F estimate · public data only

No verified returns have been reported for this fund. As a rough guide, Castle Hook Partners LP, which manages it, disclosed U.S. stock holdings that returned an estimated +33.1% 2026 YTD through Jun 30 (S&P 500: +9.5%), based only on its public 13F filings. Over a longer period, Q3 2024 to Q2 2026, the estimate is +126.8% (S&P 500: +37.2%).

This estimate covers the firm's whole disclosed long U.S. stock portfolio. It is not this fund's return and excludes dividends, fees, shorts, derivatives, bonds, cash and trading within each quarter.

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Total raised
$2,225,718,361Cumulative sales reported on Form D
Investors
119
First sale
Nov 1, 2016
Minimum investment
$100,000
Who can invest
Qualified purchasersSection 3(c)(7): generally $5M+ in investments
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Castle Hook Partners LP; John Lewis; John Ackerley
Latest Form D
Jul 31, 2026

From SEC filings, not verified. This page republishes the fund's Form D as filed. It is not an offer, solicitation or recommendation, and AltMountain has not reviewed the fund. “Raised” is cumulative sales, not current assets or performance. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction

Questions about Castle Hook Offshore Fund Ltd.

What is the minimum investment for Castle Hook Offshore Fund Ltd.?

According to its latest Form D, filed Jul 31, 2026, the minimum investment Castle Hook Offshore Fund Ltd. accepts from an outside investor is $100,000.

Who can invest in Castle Hook Offshore Fund Ltd.?

Castle Hook Offshore Fund Ltd. is generally open only to qualified purchasers (generally individuals with at least $5 million in investments), because it relies on Section 3(c)(7). It uses Rule 506(b), which does not allow general advertising.

How much has Castle Hook Offshore Fund Ltd. raised?

Castle Hook Offshore Fund Ltd. reports $2,225,718,361 sold from 119 investors on its Form D filed Jul 31, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Castle Hook Offshore Fund Ltd. based?

Castle Hook Offshore Fund Ltd. is based in Grand Cayman, Cayman Islands and is managed by Castle Hook Partners LP.

When did Castle Hook Offshore Fund Ltd. launch?

Castle Hook Offshore Fund Ltd. reports its first sale in Nov 2016.

Size compared with every hedge fund

Raised more than 95% of the 2,363 hedge funds based in Cayman Islands, and more than 96% of all 10,308 that report sales.

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