Q32 BioQTTB
13F holders, Q2 2024 (June 30)At the end of Q2 2024, 54 institutions reported holding Q32 Bio Inc. (QTTB) in their 13F filings, up 16 from Q1 2024. 19 opened new positions and 4 sold out. The largest holders were Orbimed Advisors LLC ($40.4M), Atlas Venture Life Science Advisors, LLC ($37.6M) and Carlyle Group Inc. ($19.2M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Q32 Bio Inc.
- CUSIP
- 746964105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 19 | $6.4M |
| Exits | 4 | $1.0M |
All 13F filers, Q1 2024 → Q2 2024: 1,113,371 shares bought and 481,577 shares sold, net +631,794 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 54 holders
| Orbimed Advisors LLC | 0.80% | No change | 2,252,987 | $40.4M |
| Atlas Venture Life Science Advisors, LLC | 3.95% | No change | 2,092,106 | $37.6M |
| Carlyle Group Inc. | 1.82% | No change | 1,102,741 | $19.2M |
| BlackRock Inc. | 0.00% | Add +667.9% | 342,269 | $6.1M |
| ARCH Venture Management, LLC | 2.16% | No change | 320,482 | $5.8M |
| Temasek Holdings (Private) Ltd | 0.03% | No change | 313,943 | $5.6M |
| 5AM Venture Management, LLC | 1.01% | No change | 251,994 | $4.5M |
| FMR LLC | 0.00% | Add +5013.5% | 179,638 | $3.2M |
| Harvard Management Co. Inc. | 0.18% | New | 162,965 | $2.9M |
| ADAR1 Capital Management, LLC | 0.57% | Reduce -16.6% | 156,504 | $2.8M |
| Vanguard Group Inc. | 0.00% | Add +28.4% | 138,367 | $2.5M |
| Ikarian Capital, LLC | 0.61% | Add +388.4% | 109,094 | $2.0M |
| Geode Capital Management, LLC | 0.00% | Add +499.2% | 107,654 | $1.9M |
| Platinum Investment Management Ltd. | 0.07% | Reduce -18.6% | 89,456 | $1.6M |
| State Street Corp. | 0.00% | New | 81,299 | $1.5M |
| Ensign Peak Advisors, Inc | 0.00% | Add +150.6% | 64,481 | $1.2M |
| Exome Asset Management LLC | 0.70% | Reduce -32.5% | 43,865 | $787K |
| Erste Asset Management GmbH | 0.01% | No change | 30,000 | $539K |
| Boothbay Fund Management, LLC | 0.02% | New | 29,575 | $531K |
| Affinity Asset Advisors, LLC | 0.09% | No change | 27,777 | $499K |
| Vivo Capital, LLC | 0.03% | Reduce -94.4% | 20,559 | $369K |
| Citadel Advisors | 0.00% | Add +80.1% | 18,119 | $325K |
| Bank of New York Mellon Corp | 0.00% | New | 17,569 | $315K |
| Charles Schwab Investment Management Inc. | 0.00% | New | 15,410 | $277K |
| Renaissance Technologies | 0.00% | New | 14,764 | $265K |
| Bank of America Corp. | 0.00% | Add +42.0% | 13,291 | $239K |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.01% | New | 12,000 | $215K |
| Goldman Sachs Group Inc. | 0.00% | New | 11,942 | $214K |
| Rhumbline Advisers | 0.00% | Add +11681.5% | 7,658 | $137K |
| Morgan Stanley | 0.00% | Add +834.7% | 6,758 | $121K |
| New York State Common Retirement Fund | 0.00% | New | 6,600 | $118K |
| Barclays PLC | 0.00% | Add +70.6% | 5,090 | $91K |
| Corebridge Financial, Inc. | 0.00% | — | 3,244 | $58K |
| Wells Fargo & Company | 0.00% | Add +3351.9% | 2,727 | $49K |
| UBS Group AG | 0.00% | Add +181.5% | 2,646 | $47K |
| JPMorgan Chase & Co. | 0.00% | Add +5037.3% | 2,620 | $47K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 2,202 | $40K |
| Citigroup Inc. | 0.00% | New | 1,354 | $24K |
| Royal Bank of Canada | 0.00% | Add +1030.9% | 622 | $11K |
| Ameritas Investment Partners, Inc. | 0.00% | New | 591 | $11K |
| Legal & General Group Plc | 0.00% | New | 523 | $9K |
| Redwood Wealth Management Group, LLC | 0.01% | New | 511 | $9K |
| California State Teachers Retirement System | 0.00% | New | 437 | $8K |
| BNP Paribas Financial Markets | 0.00% | New | 434 | $8K |
| Amalgamated Bank | 0.00% | New | 209 | $4K |
| Osaic Holdings, Inc. | 0.00% | Add +726.7% | 124 | $2K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 39 | $700 |
| NewEdge Advisors, LLC | 0.00% | Reduce -12.0% | 22 | $395 |
| Global Retirement Partners, LLC | 0.00% | New | 16 | $287 |
| AdvisorNet Financial, Inc | 0.00% | Reduce -71.1% | 13 | $233 |
| Bfsg, LLC | 0.00% | No change | 11 | $198 |
| Harbour Investments, Inc. | 0.00% | New | 11 | $197 |
| St Germain D J Co. Inc. | 0.00% | No change | 11 | $197 |
| Thompson Investment Management, Inc. | 0.00% | No change | 4 | $72 |
"% of holder's portfolio" is QTTB's weight in each manager's 13F, not the share of Q32 Bio Inc. the manager owns.