HedgeMountain

Arrowstreet (Delaware) Alpha Extension Fund L.P.

Boston, MA · CIK 1842537

Arrowstreet (Delaware) Alpha Extension Fund L.P. is a hedge fund based in Boston, Massachusetts. According to its most recent Form D, filed Apr 30, 2026, the fund has sold $2,544,403,094 of interests to 2 investors since its first sale in Apr 2021. 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 Limited Partnership Arrowstreet Capital; LLC Arrowstreet Capital Brattle GP.

Total raised
$2,544,403,094Cumulative sales reported on Form D
Investors
2
First sale
Apr 15, 2021
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
Limited Partnership Arrowstreet Capital; LLC Arrowstreet Capital Brattle GP
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 92% of the 472 hedge funds based in Massachusetts, and more than 96% of all 10,157 that report sales.

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