# SQ CAPITAL LLC

SQ CAPITAL LLC of NEW YORK, NY is an SEC-registered investment adviser.

## Registration

- CRD: 334301
- Type: SEC-registered investment adviser
- SEC file number: 801-131807
- Location: 520 MADISON AVENUE, 21ST FLOOR, NEW YORK, NY, 10022
- Phone: 646-435-3720
- Latest filing: 2026-06-30
- Regulatory AUM: $556.1M
- Discretionary AUM: $556.1M
- Clients: 17
- Accounts: 3

## Business model

- Compensation: % of AUM, Performance
- Clients served: Investment cos

## Officers, owners & control persons (4)

| Name | Role | Location |
| --- | --- | --- |
| [Mustafa Mohsin Siddiqui](https://search.stillhousedata.com/person/692251) | FOUNDER, CHIEF EXECUTIVE OFFICER | — |
| [Michael Anthony Petryczenko](https://search.stillhousedata.com/person/692252) | CHIEF COMPLIANCE OFFICER / CHIEF FINANCIAL OFFICER | — |
| [PETRYCZENKO MICHAEL ANTHONY](https://search.stillhousedata.com/person/824100) | CHIEF COMPLIANCE OFFICER / CHIEF FINANCIAL OFFICER | — |
| [SIDDIQUI MUSTAFA MOHSIN](https://search.stillhousedata.com/person/884522) | FOUNDER, CHIEF EXECUTIVE OFFICER | — |


## Private funds (3)

| Fund | Type | Formed | Owners | GAV | Min investment |
| --- | --- | --- | --- | --- | --- |
| SQ CAPITAL FUND I-A, L.P. | Private Equity Fund | Delaware | 28 | $437.9M | $5.0M |
| SQ CAPITAL FUND I, L.P. | Private Equity Fund | Delaware | 33 | $91.5M | $5.0M |
| SQ CAPITAL FUND I HOLDINGS A, L.P. | Private Equity Fund | Delaware | 4 | $26.6M | $5.0M |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/334301/brochure
- Similar advisers: https://search.stillhousedata.com/firm/334301/similar
- Related entities: https://search.stillhousedata.com/firm/334301/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/334301

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Source: public SEC Form ADV 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.