# AQR Apex MS Master Account, L.P. — Form D/A

AQR Apex MS Master Account, L.P. of GRAND CAYMAN, E9, a pooled investment fund, filed a Form D amendment with the SEC on 2026-01-22. Industry: Pooled Investment Fund.

## Offering

- Filed: 2026-01-22
- Form: D/A
- Accession: 0001405086-26-000056
- Industry: Pooled Investment Fund
- Exemptions: 06b,3C,3C.7
- Minimum investment: $5.0M
- Security types: fund interests
- SEC file number: 021-471788

## Issuer

- Name: AQR Apex MS Master Account, L.P.
- CIK: 0001958893
- Entity type: Limited Partnership
- Jurisdiction: CAYMAN ISLANDS
- Incorporated: 2022
- Address: C/O OGIER GLOBAL (CAYMAN) LIMITED, GRAND CAYMAN, E9, KY1-9009
- Phone: 345-949-9876

## Officers, directors & promoters (3)

| Name | Role | Location |
| --- | --- | --- |
| n/a AQR Capital Management, LLC | Executive Officer | Greenwich, CT |
| N/A AQR Arbitrage, LLC | Executive Officer | Greenwich, CT |
| n/a AQR Apex MS GP, LLC | Promoter | Greenwich, CT |

## Other filings by this issuer (3)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2025-01-23](https://search.stillhousedata.com/formd/0001405086-25-000023) | D/A | — | — |
| [2024-01-25](https://search.stillhousedata.com/formd/0001405086-24-000027) | D/A | — | — |
| [2023-01-26](https://search.stillhousedata.com/formd/0001405086-23-000018) | D | — | — |

## More

- [CIK 1958893 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1958893&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001405086-26-000056.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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