Q32 Bio Inc.
QTTB- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001661998
In the last 90 days, Q32 Bio Inc. insiders filed 0 open-market purchases and 3 sales; 72 institutions reported holding it in 13F filings for Q2 2026, worth $282.6M in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in Q32 Bio Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 53
- −8 vs. Q2 2025
- Shares held
- 8.43M
- −549.9K (−6.1%) vs. Q2 2025
- Total value
- $16.6M
- +$3.28M (+24.5%) vs. Q2 2025
- New holders
- 8
- 10 more added
- Sold out
- 16
- 18 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting QTTB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 72 | $282.6M |
| Q1 2026 | 54 | $60.6M |
| Q4 2025 | 52 | $26.7M |
| Q3 2025 | 53 | $16.6M |
| Q2 2025 | 61 | $13.4M |
| Q1 2025 | 73 | $15.5M |
| Q4 2024 | 92 | $37.8M |
| Q3 2024 | 73 | $405.8M |
| Q2 2024 | 54 | $144.2M |
| Q1 2024 | 39 | $125.9M |
| Q4 2023 | 58 | $11.4M |
| Q3 2023 | 58 | $20.8M |
| Q2 2023 | 59 | $15.9M |
| Q1 2023 | 62 | $20.0M |
| Q4 2022 | 79 | $27.3M |
| Q3 2022 | 83 | $38.7M |
| Q2 2022 | 87 | $49.9M |
| Q1 2022 | 107 | $89.7M |
| Q4 2021 | 121 | $123.0M |
| Q3 2021 | 119 | $252.1M |
| Q2 2021 | 118 | $239.9M |
| Q1 2021 | 109 | $272.7M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Q32 Bio Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| OrbiMed Advisors LLC | 2,252,987 | $4.46M | 0.11% | 00.0% | Unchanged |
| Atlas Venture Life Science Advisors, LLC | 2,092,106 | $4.14M | 0.55% | 00.0% | Unchanged |
| Carlyle Group Inc. | 1,102,741 | $2.13M | 0.05% | 00.0% | Unchanged |
| Acorn Capital Advisors, LLC | 803,425 | $1.59M | 0.81% | 00.0% | Unchanged |
| ARCH Venture Management, LLC | 320,482 | $634.6K | 0.13% | 00.0% | Unchanged |
| Monaco Asset Management SAM | 311,137 | $616.1K | 0.23% | −280,800−47.4% | Reduced |
| Vanguard Group Inc | 295,409 | $584.9K | 0.00% | +25,980+9.6% | Added |
| Pfizer Inc | 277,777 | $550.0K | 0.13% | 00.0% | Unchanged |
| Sanofi | 244,083 | $483.3K | 0.19% | 00.0% | Unchanged |
| Trustees of Columbia University in the City of New York | 133,903 | $265.1K | 0.04% | 00.0% | Unchanged |
| Millennium Management LLC | 104,772 | $207.4K | 0.00% | −25,607−19.6% | Reduced |
| BlackRock, Inc. | 93,005 | $184.2K | 0.00% | −85,672−47.9% | Reduced |
| Geode Capital Management, LLC | 88,496 | $175.3K | 0.00% | +26,897+43.7% | Added |
| Renaissance Technologies LLC | 47,300 | $93.7K | 0.00% | −29,700−38.6% | Reduced |
| Northern Trust Corp | 31,953 | $63.3K | 0.00% | +5,895+22.6% | Added |
| Two Sigma Investments, LP | 31,506 | $62.4K | 0.00% | +31,506 | New |
| Acadian Asset Management LLC | 29,739 | $58.0K | 0.00% | 00.0% | Unchanged |
| Affinity Asset Advisors, LLC | 27,777 | $55.0K | 0.01% | 00.0% | Unchanged |
| State Street Corp | 21,237 | $42.0K | 0.00% | −5,700−21.2% | Reduced |
| FMR LLC | 15,867 | $31.4K | 0.00% | −26,572−62.6% | Reduced |
| HRT Financial LP | 14,836 | $29.0K | 0.00% | +14,836 | New |
| Two Sigma Securities, LLC | 13,749 | $27.2K | 0.00% | +13,749 | New |
| Morgan Stanley | 11,343 | $22.5K | 0.00% | −7,305−39.2% | Reduced |
| DLK Investment Management, LLC | 10,333 | $20.5K | 0.01% | 00.0% | Unchanged |
| Citadel Advisors LLC | 10,117 | $20.0K | 0.00% | +10,117 | New |
| SBI Securities Co., Ltd. | 8,156 | $16.1K | 0.00% | +10.0% | Added |
| Tower Research Capital LLC (TRC) | 6,482 | $12.8K | 0.00% | +230+3.7% | Added |
| UBS Group AG | 5,246 | $10.4K | 0.00% | −7,330−58.3% | Reduced |
| EverSource Wealth Advisors, LLC | 5,025 | $9.95K | 0.00% | −276−5.2% | Reduced |
| Global Retirement Partners, LLC | 5,000 | $9.90K | 0.00% | +5,000 | New |
| Federated Hermes, Inc. | 2,374 | $4.70K | 0.00% | −78−3.2% | Reduced |
| China Universal Asset Management Co., Ltd. | 2,138 | $4.23K | 0.00% | −312−12.7% | Reduced |
| Bank of America Corp | 1,525 | $3.02K | 0.00% | −673−30.6% | Reduced |
| SRS Capital Advisors, Inc. | 1,215 | $2.40K | 0.00% | +104+9.4% | Added |
| Royal Bank of Canada | 1,053 | $2.00K | 0.00% | −5,265−83.3% | Reduced |
| Barclays PLC | 822 | $1.63K | 0.00% | −231−21.9% | Reduced |
| Allworth Financial LP | 610 | $1.21K | 0.00% | +594+3,712.5% | Added |
| Rockefeller Capital Management L.P. | 577 | $1.14K | 0.00% | +577 | New |
| Mirae Asset Global Investments Co., Ltd. | 472 | $935 | 0.00% | +1+0.2% | Added |
| Russell Investments Group, Ltd. | 454 | $899 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 432 | $855 | 0.00% | +29+7.2% | Added |
| Citigroup Inc | 236 | $467 | 0.00% | −1,586−87.0% | Reduced |
| GF Fund Management Co. Ltd. | 227 | $449 | 0.00% | −37−14.0% | Reduced |
| Advisor Group Holdings, Inc. | 187 | $367 | 0.00% | +8+4.5% | Added |
| Nisa Investment Advisors, LLC | 166 | $329 | 0.00% | −423−71.8% | Reduced |
| Federation des caisses Desjardins du Quebec | 70 | $137 | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 34 | $67 | 0.00% | +34 | New |
| Harbour Investments, Inc. | 11 | $22 | 0.00% | 00.0% | Unchanged |
| St Germain D J Co Inc | 11 | $22 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 4 | $8 | 0.00% | +4 | New |
| AdvisorNet Financial, Inc | 2 | $4 | 0.00% | 00.0% | Unchanged |
| Danske Bank A/S | 1 | $2 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 219 | $0 | 0.00% | −4,550−95.4% | Reduced |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −63,539−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −46,635−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −26,530−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −16,928−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −13,000−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −12,909−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −11,780−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −10,746−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −813−100.0% | Sold out |
| Clark Wealth Partners | 0 | $0 | 0.00% | −199−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −139−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −67−100.0% | Sold out |
| CBIZ Investment Advisory Services, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Essential Partners LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −1−100.0% | Sold out |