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, Q1 2026
Institutional positions in Q32 Bio Inc. as of Mar 31, 2026. 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
- 54
- +4 vs. Q4 2025
- Shares held
- 9.43M
- +1.71M (+22.1%) vs. Q4 2025
- Total value
- $60.6M
- +$35.0M (+136.9%) vs. Q4 2025
- New holders
- 12
- 14 more added
- Sold out
- 8
- 9 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Q32 Bio Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Kerr Financial Planning Corp | 600 | $0 | 0.00% | +600 | New |
| Danske Bank A/S | 1 | $6 | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 2 | $13 | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 11 | $71 | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 34 | $218 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 39 | $250 | 0.00% | −15−27.8% | Reduced |
| Federation des caisses Desjardins du Quebec | 70 | $446 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 84 | $539 | 0.00% | +84 | New |
| Allworth Financial LP | 98 | $630 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 104 | $668 | 0.00% | −53−33.8% | Reduced |
| Northwestern Mutual Wealth Management Co | 111 | $713 | 0.00% | +81+270.0% | Added |
| Advisor Group Holdings, Inc. | 124 | $796 | 0.00% | −8−6.1% | Reduced |
| Nisa Investment Advisors, LLC | 166 | $1.07K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 270 | $1.73K | 0.00% | −13,336−98.0% | Reduced |
| BNP Paribas Arbitrage, SA | 303 | $1.95K | 0.00% | −5−1.6% | Reduced |
| Russell Investments Group, Ltd. | 454 | $2.92K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 500 | $3.63K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 577 | $3.70K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 1,148 | $7.37K | 0.00% | +37+3.3% | Added |
| Tower Research Capital LLC (TRC) | 1,871 | $12.0K | 0.00% | +895+91.7% | Added |
| Vanguard Global Advisers, LLC | 1,915 | $12.3K | 0.00% | +1,915 | New |
| Federated Hermes, Inc. | 2,273 | $14.6K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 2,744 | $18.0K | 0.00% | +2,509+1,067.7% | Added |
| FMR LLC | 3,400 | $21.8K | 0.00% | +36+1.1% | Added |
| EverSource Wealth Advisors, LLC | 4,640 | $29.8K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 9,560 | $61.4K | 0.00% | +4,082+74.5% | Added |
| Bridgeway Capital Management, LLC | 12,613 | $81.0K | 0.00% | +12,613 | New |
| Citadel Advisors LLC | 15,481 | $99.4K | 0.00% | −30,247−66.1% | Reduced |
| American Century Companies Inc | 18,770 | $120.5K | 0.00% | +18,770 | New |
| Cetera Investment Advisers | 20,695 | $132.9K | 0.00% | +20,695 | New |
| Northern Trust Corp | 25,033 | $160.7K | 0.00% | 00.0% | Unchanged |
| Affinity Asset Advisors, LLC | 27,777 | $178.3K | 0.01% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 35,000 | $224.7K | 0.01% | +15,000+75.0% | Added |
| Cambridge Investment Research Advisors, Inc. | 35,025 | $225.0K | 0.00% | +35,025 | New |
| State Street Corp | 41,514 | $266.5K | 0.00% | +20,277+95.5% | Added |
| Two Sigma Investments, LP | 42,346 | $271.9K | 0.00% | −4,479−9.6% | Reduced |
| Vanguard Fiduciary Trust Co | 49,995 | $321.0K | 0.00% | +49,995 | New |
| Marshall Wace, LLP | 52,440 | $336.7K | 0.00% | +52,440 | New |
| Jane Street Group, LLC | 65,599 | $421.1K | 0.00% | +40,225+158.5% | Added |
| BlackRock, Inc. | 86,147 | $553.1K | 0.00% | +26,215+43.7% | Added |
| Pfizer Inc | 101,618 | $736.7K | 0.31% | −176,159−63.4% | Reduced |
| Geode Capital Management, LLC | 118,152 | $758.7K | 0.00% | +12,039+11.3% | Added |
| Monimus Capital Management, LP | 134,310 | $862.3K | 0.24% | +134,310 | New |
| Acadian Asset Management LLC | 172,586 | $1.11M | 0.00% | +124,213+256.8% | Added |
| Renaissance Technologies LLC | 206,915 | $1.33M | 0.00% | +107,315+107.7% | Added |
| Sanofi | 244,083 | $1.57M | 0.47% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 246,304 | $1.58M | 0.00% | +246,304 | New |
| Vanguard Capital Management LLC | 306,401 | $1.97M | 0.00% | +306,401 | New |
| Acorn Capital Advisors, LLC | 315,052 | $2.02M | 0.57% | −178,373−36.1% | Reduced |
| ARCH Venture Management, LLC | 320,482 | $2.06M | 0.30% | 00.0% | Unchanged |
| Carlyle Group Inc. | 1,102,741 | $7.08M | 0.07% | 00.0% | Unchanged |
| Opaleye Management Inc. | 1,256,228 | $8.06M | 1.06% | +1,042,865+488.8% | Added |
| Atlas Venture Life Science Advisors, LLC | 2,092,106 | $13.4M | 1.70% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 2,252,987 | $14.5M | 0.33% | 00.0% | Unchanged |
| Millennium Management LLC | 0 | $0 | 0.00% | −51,268−100.0% | Sold out |
| Monaco Asset Management SAM | 0 | $0 | 0.00% | −50,919−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −24,698−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −20,353−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −15,510−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −1,035−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −324−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |