# Arrowstreet Developed Markets Alpha Extension Fund (Cayman) Ltd — Form D/A

Arrowstreet Developed Markets Alpha Extension Fund (Cayman) Ltd of Boston, MA, a pooled investment fund, filed a Form D amendment with the SEC on 2026-04-30. $840.0M was reported sold. Industry: Pooled Investment Fund.

## Offering

- Filed: 2026-04-30
- Form: D/A
- Accession: 0002052483-26-000001
- Industry: Pooled Investment Fund
- Exemptions: 06b,3C,3C.1,3C.7
- Amount sold: $840.0M
- Minimum investment: $100K
- Investors: 2
- Security types: fund interests
- SEC file number: 021-536139

## Issuer

- Name: Arrowstreet Developed Markets Alpha Extension Fund (Cayman) Ltd
- CIK: 0002052483
- Entity type: Other
- Jurisdiction: CAYMAN ISLANDS
- Incorporated: 2024
- Address: 200 Clarendon Street, 30th Floor Floor 30, Boston, MA, 02116
- Phone: (617) 919-0000

## Officers, directors & promoters (7)

| Name | Role | Location |
| --- | --- | --- |
| Brian Neumann | Related Person | Grand Cayman, E9 |
| Carl O'Sullivan | Related Person | Grand Cayman, E9 |
| Letitia Solomon | Related Person | Grand Cayman, E9 |
| Letitia Solomon | Director | Grand Cayman, E9 |
| Carl O'Sullivan | Director | Grand Cayman, E9 |
| Limited Partnership Arrowstreet Capital | Promoter | Boston, MA |
| Anthony Ryan | Director | Pittsburgh, PA |

## Other filings by this issuer (2)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2025-04-23](https://search.stillhousedata.com/formd/0002054936-25-000013) | D/A | — | $200.0M |
| [2025-01-24](https://search.stillhousedata.com/formd/0002052483-25-000001) | D | — | — |

## More

- [CIK 2052483 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=2052483&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0002052483-26-000001.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
