Q32 Bio Inc. - QTTB
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ORBIMED ADVISORS LLC | History | No change | 2,252,987 | 14,464 | 0.29% | 0.15% | 1 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Atlas Venture Life Science Advisors, LLC | History | No change | 2,092,106 | 13,431 | 1.7% | 0.8% | 2 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Opaleye Management Inc. | History | Added to | 1,256,228 | 8,064 | 1.06% | 0.09% | 3 | +1,042,865 | 488.77% | Q1 2026 | May 15, 2026 |
| Carlyle Group Inc. | History | No change | 1,102,741 | 7,079 | 0.07% | 0.03% | 4 | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| ARCH Venture Management, LLC | History | No change | 320,482 | 2,057 | 0.3% | 0.16% | 5 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| ACORN CAPITAL ADVISORS, LLC | History | Reduced | 315,052 | 2,022 | 0.57% | 0.56% | 6 | -178,373 | -36.15% | Q1 2026 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 306,401 | 1,967 | 0.0% | — | 7 | +306,401 | New | Q1 2026 | May 15, 2026 |
| MACKENZIE FINANCIAL CORP | History | New | 246,304 | 1,581 | 0.0% | — | 8 | +246,304 | New | Q1 2026 | May 13, 2026 |
| Sanofi | History | No change | 244,083 | 1,567 | 0.47% | 0.26% | 9 | 0 | 0.0% | Q1 2026 | May 07, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 206,915 | 1,328 | 0.0% | 0.0% | 10 | +107,315 | 107.75% | Q1 2026 | May 14, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Added to | 172,586 | 1,106 | 0.0% | 0.0% | 11 | +124,213 | 256.78% | Q1 2026 | May 13, 2026 |
| VANGUARD GROUP INC | History | No change | 321,051 | 1,065 | 0.0% | 0.0% | 12 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| MONIMUS CAPITAL MANAGEMENT, LP | History | New | 134,310 | 862 | 0.24% | — | 13 | +134,310 | New | Q1 2026 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 118,152 | 758 | 0.0% | 0.0% | 14 | +12,039 | 11.35% | Q1 2026 | May 15, 2026 |
| PFIZER INC | History | Reduced | 101,618 | 736 | 0.31% | 0.39% | 15 | -176,159 | -63.42% | Q1 2026 | May 12, 2026 |
| BlackRock, Inc. | History | Added to | 86,147 | 553 | 0.0% | 0.0% | 16 | +26,215 | 43.74% | Q1 2026 | May 13, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 65,599 | 421 | 0.0% | 0.0% | 17 | +40,225 | 158.53% | Q1 2026 | May 12, 2026 |
| MARSHALL WACE, LLP | History | New | 52,440 | 336 | 0.0% | — | 18 | +52,440 | New | Q1 2026 | May 14, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 49,995 | 320 | 0.0% | — | 19 | +49,995 | New | Q1 2026 | May 08, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Reduced | 42,346 | 271 | 0.0% | 0.0% | 20 | -4,479 | -9.57% | Q1 2026 | May 15, 2026 |
| STATE STREET CORP | History | Added to | 41,514 | 266 | 0.0% | 0.0% | 21 | +20,277 | 95.48% | Q1 2026 | May 15, 2026 |
| Cambridge Investment Research Advisors, Inc. | History | New | 35,025 | 225 | 0.0% | — | 22 | +35,025 | New | Q1 2026 | Apr 30, 2026 |
| ADAR1 Capital Management, LLC | History | Added to | 35,000 | 224 | 0.01% | 0.0% | 23 | +15,000 | 75.0% | Q1 2026 | May 15, 2026 |
| Affinity Asset Advisors, LLC | History | No change | 27,777 | 178 | 0.01% | 0.01% | 24 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| NORTHERN TRUST CORP | History | No change | 25,033 | 160 | 0.0% | 0.0% | 25 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Cetera Investment Advisers | History | New | 20,695 | 132 | 0.0% | — | 26 | +20,695 | New | Q1 2026 | May 13, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | New | 18,770 | 120 | 0.0% | — | 27 | +18,770 | New | Q1 2026 | May 15, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 15,481 | 99 | 0.0% | 0.0% | 28 | -30,247 | -66.15% | Q1 2026 | May 15, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | New | 12,613 | 80 | 0.0% | — | 29 | +12,613 | New | Q1 2026 | May 15, 2026 |
| MORGAN STANLEY | History | Added to | 9,560 | 61 | 0.0% | 0.0% | 30 | +4,082 | 74.52% | Q1 2026 | May 15, 2026 |
| EverSource Wealth Advisors, LLC | History | No change | 4,640 | 29 | 0.0% | 0.0% | 31 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| FMR LLC | History | Added to | 3,400 | 21 | 0.0% | 0.0% | 32 | +36 | 1.07% | Q1 2026 | May 15, 2026 |
| ROYAL BANK OF CANADA | History | Added to | 2,744 | 18 | 0.0% | 0.0% | 33 | +2,509 | 1067.66% | Q1 2026 | May 15, 2026 |
| FEDERATED HERMES, INC. | History | No change | 2,273 | 14 | 0.0% | 0.0% | 34 | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| Vanguard Global Advisers, LLC | History | New | 1,915 | 12 | 0.0% | — | 36 | +1,915 | New | Q1 2026 | May 08, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 1,871 | 12 | 0.0% | 0.0% | 35 | +895 | 91.7% | Q1 2026 | May 15, 2026 |
| Arax Advisory Partners | History | Added to | 1,148 | 7 | 0.0% | 0.0% | 37 | +37 | 3.33% | Q1 2026 | May 13, 2026 |
| Global Retirement Partners, LLC | History | No change | 1,500 | 4 | 0.0% | 0.0% | 38 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | No change | 500 | 3 | 0.0% | 0.0% | 39 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Rockefeller Capital Management L.P. | History | No change | 577 | 3 | 0.0% | 0.0% | 40 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Russell Investments Group, Ltd. | History | No change | 454 | 2 | 0.0% | 0.0% | 41 | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| UBS Group AG | History | Reduced | 270 | 1 | 0.0% | 0.0% | 44 | -13,336 | -98.02% | Q1 2026 | May 05, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 303 | 1 | 0.0% | 0.0% | 43 | -5 | -1.62% | Q1 2026 | May 12, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | No change | 166 | 1 | 0.0% | — | 42 | 0 | 0.0% | Q1 2026 | Apr 30, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -51,268 | -100.0% | Q1 2026 | May 15, 2026 |
| Monaco Asset Management SAM | History | Closed out | 0 | 0 | — | 0.03% | — | -50,919 | -100.0% | Q1 2026 | May 11, 2026 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -24,698 | -100.0% | Q1 2026 | May 14, 2026 |
| XTX Topco Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -20,353 | -100.0% | Q1 2026 | May 15, 2026 |
| Scientech Research LLC | History | Closed out | 0 | 0 | — | 0.03% | — | -15,510 | -100.0% | Q1 2026 | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | 0.0% | — | -1,035 | -100.0% | Q1 2026 | May 15, 2026 |
| KERR FINANCIAL PLANNING Corp | History | New | 600 | 0 | — | — | — | +600 | New | Q1 2026 | Apr 29, 2026 |
| JPMORGAN CHASE & CO | History | Closed out | 0 | 0 | — | 0.0% | — | -324 | -100.0% | Q1 2026 | May 13, 2026 |
| WELLS FARGO & COMPANY/MN | History | New | 84 | 0 | — | — | — | +84 | New | Q1 2026 | May 11, 2026 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | History | Added to | 111 | 0 | — | — | — | +81 | 270.0% | Q1 2026 | May 07, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 104 | 0 | — | — | — | -53 | -33.76% | Q1 2026 | Apr 27, 2026 |
| BARCLAYS PLC | History | Closed out | 0 | 0 | — | — | — | -19 | -100.0% | Q1 2026 | May 14, 2026 |
| CWM, LLC | History | Reduced | 39 | 0 | — | — | — | -15 | -27.78% | Q1 2026 | May 14, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 124 | 0 | — | — | — | -8 | -6.06% | Q1 2026 | May 15, 2026 |
| DANSKE BANK A/S | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| HARBOUR INVESTMENTS, INC. | History | No change | 11 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| GROUP ONE TRADING LLC | History | No change | 34 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| AdvisorNet Financial, Inc | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 17, 2026 |
| Allworth Financial LP | History | No change | 98 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Federation des caisses Desjardins du Quebec | History | No change | 70 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 13, 2026 |