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, Q2 2026
Institutional positions in Q32 Bio Inc. as of Jun 30, 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
- 72
- +19 vs. Q1 2026
- Shares held
- 22.2M
- +12.8M (+135.2%) vs. Q1 2026
- Total value
- $282.6M
- +$221.9M (+366.1%) vs. Q1 2026
- New holders
- 27
- 17 more added
- Sold out
- 8
- 14 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Q32 Bio Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal Bank of Canada | 43 | $0 | 0.00% | −2,701−98.4% | Reduced |
| Kerr Financial Planning Corp | 600 | $1 | 0.00% | 00.0% | Unchanged |
| Danske Bank A/S | 1 | $13 | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 2 | $25 | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 11 | $140 | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 34 | $433 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 45 | $573 | 0.00% | +45 | New |
| Clearstead Advisors, LLC | 67 | $854 | 0.00% | +67 | New |
| Federation des caisses Desjardins du Quebec | 70 | $888 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 94 | $1.20K | 0.00% | −10−9.6% | Reduced |
| Allworth Financial LP | 108 | $1.38K | 0.00% | +10+10.2% | Added |
| Advisor Group Holdings, Inc. | 124 | $1.58K | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 162 | $2.06K | 0.00% | +162 | New |
| Nisa Investment Advisors, LLC | 166 | $2.12K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 240 | $3.06K | 0.00% | −4,400−94.8% | Reduced |
| BNP Paribas Arbitrage, SA | 303 | $3.86K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 454 | $5.78K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 500 | $6.58K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 577 | $7.35K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 1,050 | $13.4K | 0.00% | −1,223−53.8% | Reduced |
| SRS Capital Advisors, Inc. | 1,111 | $14.2K | 0.00% | −37−3.2% | Reduced |
| Private Wealth Asset Management, LLC | 1,700 | $21.7K | 0.00% | +1,700 | New |
| Citigroup Inc | 2,888 | $36.8K | 0.00% | +2,888 | New |
| FMR LLC | 3,388 | $43.2K | 0.00% | −12−0.4% | Reduced |
| Vanguard Global Advisers, LLC | 4,824 | $61.5K | 0.00% | +2,909+151.9% | Added |
| Morgan Stanley | 6,456 | $82.3K | 0.00% | −3,104−32.5% | Reduced |
| XTX Topco Ltd | 10,874 | $138.5K | 0.00% | +10,874 | New |
| Millennium Management LLC | 10,928 | $139.2K | 0.00% | +10,928 | New |
| ExodusPoint Capital Management, LP | 11,336 | $144.4K | 0.00% | +11,336 | New |
| Balyasny Asset Management LLC | 12,342 | $157.2K | 0.00% | +12,342 | New |
| UBS Group AG | 15,008 | $191.2K | 0.00% | +14,738+5,458.5% | Added |
| HRT Financial LP | 15,949 | $203.0K | 0.00% | +15,949 | New |
| Cambridge Investment Research Advisors, Inc. | 18,081 | $230.0K | 0.00% | −16,944−48.4% | Reduced |
| LPL Financial LLC | 18,170 | $231.5K | 0.00% | +18,170 | New |
| Mangrove Partners | 22,150 | $282.2K | 0.02% | +22,150 | New |
| Susquehanna International Group, LLP | 23,342 | $297.4K | 0.00% | +23,342 | New |
| Dimensional Fund Advisors LP | 23,588 | $300.5K | 0.00% | +23,588 | New |
| Northern Trust Corp | 23,631 | $301.1K | 0.00% | −1,402−5.6% | Reduced |
| Squarepoint Ops LLC | 23,790 | $303.1K | 0.00% | +23,790 | New |
| Affinity Asset Advisors, LLC | 27,777 | $353.9K | 0.02% | 00.0% | Unchanged |
| Knott David M Jr | 30,412 | $387.4K | 0.20% | +30,412 | New |
| DAFNA Capital Management LLC | 32,896 | $419.1K | 0.08% | +32,896 | New |
| Bridgeway Capital Management, LLC | 34,613 | $441.0K | 0.01% | +22,000+174.4% | Added |
| Quadrature Capital Ltd | 36,396 | $463.7K | 0.00% | +36,396 | New |
| Two Sigma Investments, LP | 49,582 | $631.7K | 0.00% | +7,236+17.1% | Added |
| State Street Corp | 52,214 | $665.2K | 0.00% | +10,700+25.8% | Added |
| Carlyle Group Inc. | 60,363 | $769.0K | 0.01% | −1,042,378−94.5% | Reduced |
| Vanguard Fiduciary Trust Co | 66,217 | $843.6K | 0.00% | +16,222+32.4% | Added |
| Marshall Wace, LLP | 67,045 | $854.2K | 0.00% | +14,605+27.9% | Added |
| BlackRock, Inc. | 118,507 | $1.51M | 0.00% | +32,360+37.6% | Added |
| Citadel Advisors LLC | 120,663 | $1.54M | 0.00% | +105,182+679.4% | Added |
| Geode Capital Management, LLC | 122,690 | $1.56M | 0.00% | +4,538+3.8% | Added |
| Boothbay Fund Management, LLC | 130,427 | $1.66M | 0.03% | +130,427 | New |
| Monimus Capital Management, LP | 132,036 | $1.68M | 0.43% | −2,274−1.7% | Reduced |
| Jane Street Group, LLC | 162,747 | $2.07M | 0.00% | +97,148+148.1% | Added |
| Renaissance Technologies LLC | 179,600 | $2.29M | 0.00% | −27,315−13.2% | Reduced |
| Acorn Capital Advisors, LLC | 216,171 | $2.75M | 0.75% | −98,881−31.4% | Reduced |
| Acadian Asset Management LLC | 218,234 | $2.78M | 0.00% | +45,648+26.4% | Added |
| Sanofi | 244,083 | $3.11M | 0.58% | 00.0% | Unchanged |
| American Century Companies Inc | 272,752 | $3.47M | 0.00% | +253,982+1,353.1% | Added |
| Woodline Partners LP | 286,212 | $3.65M | 0.01% | +286,212 | New |
| Ikarian Capital, LLC | 430,000 | $5.48M | 0.90% | +430,000 | New |
| Vanguard Capital Management LLC | 518,803 | $6.61M | 0.00% | +212,402+69.3% | Added |
| SummitTX Capital, L.P. | 733,774 | $9.35M | 0.25% | +733,774 | New |
| Logos Global Management LP | 800,000 | $10.2M | 0.44% | +800,000 | New |
| Opaleye Management Inc. | 931,000 | $11.9M | 1.07% | −325,228−25.9% | Reduced |
| Point72 Asset Management, L.P. | 1,173,396 | $14.9M | 0.02% | +1,173,396 | New |
| Ra Capital Management, L.P. | 2,332,457 | $29.7M | 0.26% | +2,332,457 | New |
| BVF Inc | 2,350,000 | $29.9M | 0.77% | +2,350,000 | New |
| Atlas Venture Life Science Advisors, LLC | 2,717,106 | $34.6M | 3.93% | +625,000+29.9% | Added |
| Boxer Capital Management, LLC | 3,149,310 | $40.1M | 3.02% | +3,149,310 | New |
| OrbiMed Advisors LLC | 4,127,987 | $52.6M | 1.00% | +1,875,000+83.2% | Added |
| ARCH Venture Management, LLC | 0 | $0 | 0.00% | −320,482−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −246,304−100.0% | Sold out |
| Pfizer Inc | 0 | $0 | 0.00% | −101,618−100.0% | Sold out |
| ADAR1 Capital Management, LLC | 0 | $0 | 0.00% | −35,000−100.0% | Sold out |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −20,695−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −1,871−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −111−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −84−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |