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 | Added to | 4,127,987 | 52,590 | 0.97% | 0.29% | 1 | +1,875,000 | 83.22% | Q2 2026 | Aug 14, 2026 |
| Boxer Capital Management, LLC | History | New | 3,149,310 | 40,122 | 3.02% | — | 2 | +3,149,310 | New | Q2 2026 | Aug 14, 2026 |
| Atlas Venture Life Science Advisors, LLC | History | Added to | 2,717,106 | 34,615 | 3.93% | 1.7% | 3 | +625,000 | 29.87% | Q2 2026 | Aug 13, 2026 |
| BVF INC/IL | History | New | 2,350,000 | 29,939 | 0.77% | — | 4 | +2,350,000 | New | Q2 2026 | Aug 14, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | History | New | 2,332,457 | 29,715 | 0.26% | — | 5 | +2,332,457 | New | Q2 2026 | Aug 14, 2026 |
| Point72 Asset Management, L.P. | History | New | 1,173,396 | 14,949 | 0.02% | — | 6 | +1,173,396 | New | Q2 2026 | Aug 14, 2026 |
| Opaleye Management Inc. | History | Reduced | 931,000 | 11,860 | 1.07% | 1.06% | 7 | -325,228 | -25.89% | Q2 2026 | Aug 14, 2026 |
| Logos Global Management LP | History | New | 800,000 | 10,192 | 0.44% | — | 8 | +800,000 | New | Q2 2026 | Aug 14, 2026 |
| SummitTX Capital, L.P. | History | New | 733,774 | 9,348 | 0.24% | — | 9 | +733,774 | New | Q2 2026 | Aug 14, 2026 |
| Ikarian Capital, LLC | History | New | 630,000 | 8,026 | 0.86% | — | 10 | +630,000 | New | Q2 2026 | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | Added to | 518,803 | 6,609 | 0.0% | 0.0% | 11 | +212,402 | 69.32% | Q2 2026 | Aug 13, 2026 |
| Woodline Partners LP | History | New | 286,212 | 3,646 | 0.01% | — | 12 | +286,212 | New | Q2 2026 | Aug 14, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | Added to | 272,752 | 3,474 | 0.0% | 0.0% | 13 | +253,982 | 1353.13% | Q2 2026 | Aug 12, 2026 |
| Sanofi | History | No change | 244,083 | 3,109 | 0.58% | 0.47% | 14 | 0 | 0.0% | Q2 2026 | Jul 28, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Added to | 218,234 | 2,779 | 0.0% | 0.0% | 15 | +45,648 | 26.45% | Q2 2026 | Aug 13, 2026 |
| ACORN CAPITAL ADVISORS, LLC | History | Reduced | 216,171 | 2,754 | 0.75% | 0.57% | 16 | -98,881 | -31.39% | Q2 2026 | Aug 14, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | New | 191,727 | 2,442 | 0.03% | — | 17 | +191,727 | New | Q2 2026 | Aug 14, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 179,600 | 2,288 | 0.0% | 0.0% | 18 | -27,315 | -13.2% | Q2 2026 | Aug 13, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 162,747 | 2,073 | 0.0% | 0.0% | 19 | +97,148 | 148.09% | Q2 2026 | Aug 14, 2026 |
| MONIMUS CAPITAL MANAGEMENT, LP | History | Reduced | 132,036 | 1,682 | 0.39% | 0.24% | 20 | -2,274 | -1.69% | Q2 2026 | Aug 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 122,690 | 1,563 | 0.0% | 0.0% | 21 | +4,538 | 3.84% | Q2 2026 | Aug 12, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 120,663 | 1,537 | 0.0% | 0.0% | 22 | +105,182 | 679.43% | Q2 2026 | Sep 02, 2026 |
| BlackRock, Inc. | History | Added to | 118,507 | 1,509 | 0.0% | 0.0% | 23 | +32,360 | 37.56% | Q2 2026 | Aug 07, 2026 |
| MARSHALL WACE, LLP | History | Added to | 67,045 | 854 | 0.0% | 0.0% | 24 | +14,605 | 27.85% | Q2 2026 | Aug 13, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | Added to | 66,217 | 843 | 0.0% | 0.0% | 25 | +16,222 | 32.45% | Q2 2026 | Aug 13, 2026 |
| Carlyle Group Inc. | History | Reduced | 60,363 | 769 | 0.01% | 0.07% | 26 | -1,042,378 | -94.53% | Q2 2026 | Aug 07, 2026 |
| STATE STREET CORP | History | Added to | 52,214 | 665 | 0.0% | 0.0% | 27 | +10,700 | 25.77% | Q2 2026 | Aug 07, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 49,582 | 631 | 0.0% | 0.0% | 28 | +7,236 | 17.09% | Q2 2026 | Aug 14, 2026 |
| Quadrature Capital Ltd | History | New | 36,396 | 463 | 0.0% | — | 29 | +36,396 | New | Q2 2026 | Aug 06, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | Added to | 34,613 | 440 | 0.01% | 0.0% | 30 | +22,000 | 174.42% | Q2 2026 | Aug 14, 2026 |
| DAFNA Capital Management LLC | History | New | 32,896 | 419 | 0.08% | — | 31 | +32,896 | New | Q2 2026 | Aug 14, 2026 |
| Knott David M Jr | History | New | 30,412 | 387 | 0.2% | — | 32 | +30,412 | New | Q2 2026 | Aug 12, 2026 |
| Affinity Asset Advisors, LLC | History | No change | 27,777 | 353 | 0.02% | 0.01% | 33 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Squarepoint Ops LLC | History | New | 23,790 | 303 | 0.0% | — | 34 | +23,790 | New | Q2 2026 | Aug 14, 2026 |
| NORTHERN TRUST CORP | History | Reduced | 23,631 | 301 | 0.0% | 0.0% | 35 | -1,402 | -5.6% | Q2 2026 | Aug 13, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | New | 23,588 | 300 | 0.0% | — | 36 | +23,588 | New | Q2 2026 | Aug 11, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | New | 23,342 | 297 | 0.0% | — | 37 | +23,342 | New | Q2 2026 | Aug 14, 2026 |
| MANGROVE PARTNERS IM, LLC | History | New | 22,150 | 282 | 0.02% | — | 38 | +22,150 | New | Q2 2026 | Aug 14, 2026 |
| LPL Financial LLC | History | New | 18,170 | 231 | 0.0% | — | 39 | +18,170 | New | Q2 2026 | Aug 07, 2026 |
| Cambridge Investment Research Advisors, Inc. | History | Reduced | 18,081 | 230 | 0.0% | 0.0% | 40 | -16,944 | -48.38% | Q2 2026 | Jul 27, 2026 |
| HRT FINANCIAL LP | History | New | 15,949 | 203 | 0.0% | — | 41 | +15,949 | New | Q2 2026 | Aug 14, 2026 |
| UBS Group AG | History | Added to | 15,008 | 191 | 0.0% | 0.0% | 42 | +14,738 | 5458.52% | Q2 2026 | Aug 13, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | New | 12,342 | 157 | 0.0% | — | 43 | +12,342 | New | Q2 2026 | Aug 14, 2026 |
| ExodusPoint Capital Management, LP | History | New | 11,336 | 144 | 0.0% | — | 44 | +11,336 | New | Q2 2026 | Aug 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | New | 10,928 | 139 | 0.0% | — | 45 | +10,928 | New | Q2 2026 | Aug 14, 2026 |
| XTX Topco Ltd | History | New | 10,874 | 138 | 0.0% | — | 46 | +10,874 | New | Q2 2026 | Aug 14, 2026 |
| MORGAN STANLEY | History | Reduced | 6,456 | 82 | 0.0% | 0.0% | 47 | -3,104 | -32.47% | Q2 2026 | Aug 13, 2026 |
| Vanguard Global Advisers, LLC | History | Added to | 4,824 | 61 | 0.0% | 0.0% | 48 | +2,909 | 151.91% | Q2 2026 | Aug 13, 2026 |
| FMR LLC | History | Reduced | 3,388 | 43 | 0.0% | 0.0% | 49 | -12 | -0.35% | Q2 2026 | Aug 13, 2026 |
| CITIGROUP INC | History | New | 2,888 | 36 | 0.0% | — | 50 | +2,888 | New | Q2 2026 | Aug 03, 2026 |
| Private Wealth Asset Management, LLC | History | New | 1,700 | 21 | 0.0% | — | 51 | +1,700 | New | Q2 2026 | Aug 11, 2026 |
| Arax Advisory Partners | History | Reduced | 1,111 | 14 | 0.0% | 0.0% | 52 | -37 | -3.22% | Q2 2026 | Aug 10, 2026 |
| FEDERATED HERMES, INC. | History | Reduced | 1,050 | 13 | 0.0% | 0.0% | 53 | -1,223 | -53.81% | Q2 2026 | Aug 12, 2026 |
| Rockefeller Capital Management L.P. | History | No change | 577 | 7 | 0.0% | 0.0% | 54 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | No change | 500 | 6 | 0.0% | 0.0% | 55 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Russell Investments Group, Ltd. | History | No change | 454 | 5 | 0.0% | 0.0% | 56 | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| EverSource Wealth Advisors, LLC | History | Reduced | 240 | 3 | 0.0% | 0.0% | 58 | -4,400 | -94.83% | Q2 2026 | Jul 24, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | No change | 303 | 3 | 0.0% | 0.0% | 57 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| SIMPLEX TRADING, LLC | History | New | 200 | 2 | 0.0% | — | 60 | +200 | New | Q2 2026 | Aug 12, 2026 |
| Truvestments Capital LLC | History | New | 162 | 2 | 0.0% | — | 61 | +162 | New | Q2 2026 | Aug 12, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | No change | 166 | 2 | 0.0% | 0.0% | 59 | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |
| Allworth Financial LP | History | Added to | 108 | 1 | 0.0% | — | 62 | +10 | 10.2% | Q2 2026 | Aug 11, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 94 | 1 | 0.0% | — | 64 | -10 | -9.62% | Q2 2026 | Jul 22, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 124 | 1 | 0.0% | — | 63 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| ARCH Venture Management, LLC | History | Closed out | 0 | 0 | — | 0.3% | — | -320,482 | -100.0% | Q2 2026 | Aug 14, 2026 |
| MACKENZIE FINANCIAL CORP | History | Closed out | 0 | 0 | — | 0.0% | — | -246,304 | -100.0% | Q2 2026 | Aug 13, 2026 |
| PFIZER INC | History | Closed out | 0 | 0 | — | 0.31% | — | -101,618 | -100.0% | Q2 2026 | Aug 13, 2026 |
| ADAR1 Capital Management, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -35,000 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Cetera Investment Advisers | History | Closed out | 0 | 0 | — | 0.0% | — | -20,695 | -100.0% | Q2 2026 | Aug 12, 2026 |
| ROYAL BANK OF CANADA | History | Reduced | 43 | 0 | — | 0.0% | — | -2,701 | -98.43% | Q2 2026 | Aug 14, 2026 |
| Tower Research Capital LLC (TRC) | History | Closed out | 0 | 0 | — | 0.0% | — | -1,871 | -100.0% | Q2 2026 | Aug 11, 2026 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | History | Closed out | 0 | 0 | — | — | — | -111 | -100.0% | Q2 2026 | Aug 12, 2026 |
| WELLS FARGO & COMPANY/MN | History | Closed out | 0 | 0 | — | — | — | -84 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Clearstead Advisors, LLC | History | New | 67 | 0 | — | — | — | +67 | New | Q2 2026 | Aug 06, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 45 | 0 | — | — | — | +45 | New | Q2 2026 | Aug 04, 2026 |
| DANSKE BANK A/S | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |
| HARBOUR INVESTMENTS, INC. | History | No change | 11 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| GROUP ONE TRADING LLC | History | No change | 34 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| AdvisorNet Financial, Inc | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Jul 23, 2026 |
| CWM, LLC | History | No change | 39 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Federation des caisses Desjardins du Quebec | History | No change | 70 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| KERR FINANCIAL PLANNING Corp | History | No change | 600 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Jul 02, 2026 |