HedgeMountain

Arrowstreet Developed Markets Alpha Extension Fund (Cayman) Ltd

Boston, MA · CIK 2052483

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 HedgeMountain 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 HedgeMountain 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

Size compared with every hedge fund

Raised more than 79% of the 472 hedge funds based in Massachusetts, and more than 88% of all 10,157 that report sales.

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