# Q32 BIO INC COM

Q32 BIO INC COM is a security (CUSIP 746964105) tracked across SEC portfolio filings. 57 institutional managers reported $55.4M on Form 13F as of 2026-06-30; 4 registered fund positions totaling $778K via N-PORT as of 2026-05-29.

## Summary

- Issuer: Q32 BIO INC
- Class: COM
- CUSIP: 746964105
- Asset category: EC
- 13F holders: 57
- 13F value: $55.4M
- 13F period: 2026-06-30
- N-PORT fund positions: 4
- N-PORT value: $778K
- N-PORT report: 2026-05-29

## Top institutional holders (Form 13F)

_Showing 15 of 57 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [ORBIMED ADVISORS LLC](https://search.stillhousedata.com/firm/118608) | New York, NY | $14.5M | 2,252,987 |
| [Atlas Venture Life Science Advisors, LLC](https://search.stillhousedata.com/firm/174766) | Cambridge, MA | $13.4M | 2,092,106 |
| [Opaleye Management Inc.](https://search.stillhousedata.com/firm/124513) | Boston, MA | $8.1M | 1,256,228 |
| Sanofi | Paris, I0 | $3.1M | 244,083 |
| [ARCH Venture Management, LLC](https://search.stillhousedata.com/firm/158196) | CHICAGO, IL | $2.1M | 320,482 |
| ACORN CAPITAL ADVISORS, LLC | NEW YORK, NY | $2.0M | 315,052 |
| [MACKENZIE FINANCIAL CORP](https://search.stillhousedata.com/firm/110338) | TORONTO ONTARIO, A6 | $1.6M | 246,304 |
| BlackRock, Inc. | New York, NY | $1.5M | 118,507 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $1.3M | 206,915 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $1.1M | 321,051 |
| [MONIMUS CAPITAL MANAGEMENT, LP](https://search.stillhousedata.com/firm/309855) | WOODBRIDGE, NJ | $862K | 134,310 |
| [Carlyle Group Inc.](https://search.stillhousedata.com/firm/111128) | WASHINGTON, DC | $769K | 60,363 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $759K | 118,152 |
| Pfizer Inc | New York, NY | $737K | 101,618 |
| STATE STREET CORP | BOSTON, MA | $665K | 52,214 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $768K | 0.09% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $10K | 0.01% |
| Guggenheim Active Allocation Fund | Guggenheim Active Allocation Fund | $144 | 0.00% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $45 | 0.00% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/746964105.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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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.