Arrowstreet Developed Markets Alpha Extension Fund (Cayman) Ltd is a hedge fund based in Boston, Massachusetts. According to its most recent Form D, filed Apr 30, 2026, the fund has sold $840,010,000 of interests to 2 investors since its first sale in Feb 2025. 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 Brian Neumann; Letitia Solomon; Carl O'Sullivan.
Performance
No verified returns have been reported for this fund. Hedge fund returns are not part of SEC filings; managers report them to AltMountain directly.
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- Total raised
- $840,010,000Cumulative sales reported on Form D
- Investors
- 2
- First sale
- Feb 3, 2025
- 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
- Brian Neumann; Letitia Solomon; Carl O'Sullivan
- Latest Form D
- Apr 30, 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 Arrowstreet Developed Markets Alpha Extension Fund (Cayman) Ltd
What is the minimum investment for Arrowstreet Developed Markets Alpha Extension Fund (Cayman) Ltd?
According to its latest Form D, filed Apr 30, 2026, the minimum investment Arrowstreet Developed Markets Alpha Extension Fund (Cayman) Ltd accepts from an outside investor is $100,000.
Who can invest in Arrowstreet Developed Markets Alpha Extension Fund (Cayman) Ltd?
Arrowstreet Developed Markets Alpha Extension Fund (Cayman) 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 Arrowstreet Developed Markets Alpha Extension Fund (Cayman) Ltd raised?
Arrowstreet Developed Markets Alpha Extension Fund (Cayman) Ltd reports $840,010,000 sold from 2 investors on its Form D filed Apr 30, 2026. This is cumulative sales since the offering began, not current assets or performance.
Where is Arrowstreet Developed Markets Alpha Extension Fund (Cayman) Ltd based?
Arrowstreet Developed Markets Alpha Extension Fund (Cayman) Ltd is based in Boston, Massachusetts.
When did Arrowstreet Developed Markets Alpha Extension Fund (Cayman) Ltd launch?
Arrowstreet Developed Markets Alpha Extension Fund (Cayman) Ltd reports its first sale in Feb 2025.
Size compared with every hedge fund
Raised more than 79% of the 474 hedge funds based in Massachusetts, and more than 88% of all 10,308 that report sales.
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