Pentwater Merger Arbitrage Fund LTD.
Pentwater Merger Arbitrage Fund LTD. is a hedge fund based in George Town, Grand Cayman, Cayman Islands. According to its most recent Form D, filed Dec 29, 2025, the fund has sold $2,358,869,814 of interests to 231 investors since its first sale in Jan 2012. The filing does not set a minimum investment. 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 Matthew Halbower; Geoff Ruddick; Christopher Bowring.
Performance
No verified returns have been reported for this fund. As a rough guide, Pentwater Capital Management LP, which manages it, disclosed U.S. stock holdings that returned an estimated -0.3% 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 -11.2% (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
- $2,358,869,814Cumulative sales reported on Form D
- Investors
- 231
- First sale
- Jan 1, 2012
- Minimum investment
- None set
- Who can invest
- Qualified purchasersSection 3(c)(7): generally $5M+ in investments
- Offering exemption
- Rule 506(b)No general advertising
- Key people and entities
- Matthew Halbower; Geoff Ruddick; Christopher Bowring
- Latest Form D
- Dec 29, 2025
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 Pentwater Merger Arbitrage Fund LTD.
What is the minimum investment for Pentwater Merger Arbitrage Fund LTD.?
Pentwater Merger Arbitrage Fund LTD.'s latest Form D, filed Dec 29, 2025, does not set a minimum investment. Managers can still require one in the offering documents.
Who can invest in Pentwater Merger Arbitrage Fund LTD.?
Pentwater Merger Arbitrage 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 Pentwater Merger Arbitrage Fund LTD. raised?
Pentwater Merger Arbitrage Fund LTD. reports $2,358,869,814 sold from 231 investors on its Form D filed Dec 29, 2025. This is cumulative sales since the offering began, not current assets or performance.
Where is Pentwater Merger Arbitrage Fund LTD. based?
Pentwater Merger Arbitrage Fund LTD. is based in George Town, Grand Cayman, Cayman Islands and is managed by Pentwater Capital Management LP.
When did Pentwater Merger Arbitrage Fund LTD. launch?
Pentwater Merger Arbitrage Fund LTD. reports its first sale in Jan 2012.
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.