Q32 Bio Inc. - QTTB

Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
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 7,479 0.15% 0.1% 1 0 0.0% Q4 2025 Feb 17, 2026
Atlas Venture Life Science Advisors, LLC History No change 2,092,106 6,945 0.8% 0.55% 2 0 0.0% Q4 2025 Feb 13, 2026
Carlyle Group Inc. History No change 1,102,741 3,616 0.03% 0.05% 3 0 0.0% Q4 2025 Feb 13, 2026
ACORN CAPITAL ADVISORS, LLC History Reduced 493,425 1,638 0.56% 0.81% 4 -310,000 -38.58% Q4 2025 Feb 17, 2026
VANGUARD GROUP INC History Added to 321,051 1,065 0.0% 0.0% 5 +25,642 8.68% Q4 2025 Jan 29, 2026
ARCH Venture Management, LLC History No change 320,482 1,064 0.16% 0.13% 6 0 0.0% Q4 2025 Feb 17, 2026
PFIZER INC History No change 277,777 922 0.39% 0.13% 7 0 0.0% Q4 2025 Feb 12, 2026
Sanofi History No change 244,083 810 0.26% 0.19% 8 0 0.0% Q4 2025 Feb 11, 2026
Opaleye Management Inc. History New 213,363 708 0.09% 9 +213,363 New Q4 2025 Apr 13, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 106,113 352 0.0% 0.0% 10 +17,617 19.91% Q4 2025 Feb 09, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 99,600 330 0.0% 0.0% 11 +52,300 110.57% Q4 2025 Feb 12, 2026
BlackRock, Inc. History Reduced 59,932 198 0.0% 0.0% 12 -33,073 -35.56% Q4 2025 Feb 12, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 51,268 170 0.0% 0.0% 13 -53,504 -51.07% Q4 2025 Feb 17, 2026
Monaco Asset Management SAM History Reduced 50,919 169 0.03% 0.04% 14 -260,218 -83.63% Q4 2025 Feb 10, 2026
ACADIAN ASSET MANAGEMENT LLC History Added to 48,373 159 0.0% 0.0% 15 +18,634 62.66% Q4 2025 Feb 10, 2026
TWO SIGMA INVESTMENTS, LP History Added to 46,825 155 0.0% 0.0% 16 +15,319 48.62% Q4 2025 Feb 17, 2026
CITADEL ADVISORS LLC History Added to 45,728 151 0.0% 0.0% 17 +35,611 351.99% Q4 2025 Feb 17, 2026
Affinity Asset Advisors, LLC History No change 27,777 92 0.01% 0.0% 18 0 0.0% Q4 2025 Feb 13, 2026
JANE STREET GROUP, LLC History New 25,374 84 0.0% 19 +25,374 New Q4 2025 Feb 12, 2026
NORTHERN TRUST CORP History Reduced 25,033 83 0.0% 0.0% 20 -6,920 -21.66% Q4 2025 Feb 17, 2026
HRT FINANCIAL LP History Added to 24,698 81 0.0% 0.0% 21 +9,862 66.47% Q4 2025 Feb 12, 2026
STATE STREET CORP History No change 21,237 70 0.0% 0.0% 22 0 0.0% Q4 2025 Feb 13, 2026
XTX Topco Ltd History New 20,353 67 0.0% 23 +20,353 New Q4 2025 Feb 17, 2026
ADAR1 Capital Management, LLC History New 20,000 66 0.0% 24 +20,000 New Q4 2025 Feb 18, 2026
Scientech Research LLC History New 15,510 51 0.03% 25 +15,510 New Q4 2025 Feb 17, 2026
UBS Group AG History Added to 13,606 45 0.0% 0.0% 26 +8,360 159.36% Q4 2025 Jan 29, 2026
MORGAN STANLEY History Reduced 5,478 18 0.0% 0.0% 27 -5,865 -51.71% Q4 2025 Feb 13, 2026
EverSource Wealth Advisors, LLC History Reduced 4,640 15 0.0% 0.0% 28 -385 -7.66% Q4 2025 Feb 06, 2026
FMR LLC History Reduced 3,364 11 0.0% 0.0% 29 -12,503 -78.8% Q4 2025 Feb 17, 2026
FEDERATED HERMES, INC. History Reduced 2,273 7 0.0% 0.0% 30 -101 -4.25% Q4 2025 Feb 12, 2026
Global Retirement Partners, LLC History Reduced 1,500 4 0.0% 0.0% 31 -3,500 -70.0% Q4 2025 Feb 06, 2026
Tower Research Capital LLC (TRC) History Reduced 976 3 0.0% 0.0% 33 -5,506 -84.94% Q4 2025 Feb 17, 2026
BANK OF AMERICA CORP /DE/ History Reduced 1,035 3 0.0% 0.0% 32 -490 -32.13% Q4 2025 Feb 17, 2026
Arax Advisory Partners History Reduced 1,111 3 0.0% 0.0% 34 -104 -8.56% Q4 2025 Feb 13, 2026
JONES FINANCIAL COMPANIES LLLP History New 500 1 0.0% 36 +500 New Q4 2025 Feb 17, 2026
JPMORGAN CHASE & CO History Added to 324 1 0.0% 35 +320 8000.0% Q4 2025 Feb 11, 2026
ROYAL BANK OF CANADA History New 235 1 0.0% 37 +235 New Q4 2025 Feb 17, 2026
BNP PARIBAS FINANCIAL MARKETS History Reduced 308 1 0.0% 38 -124 -28.7% Q4 2025 Feb 10, 2026
Russell Investments Group, Ltd. History No change 454 1 0.0% 39 0 0.0% Q4 2025 Feb 17, 2026
Rockefeller Capital Management L.P. History No change 577 1 0.0% 0.0% 40 0 0.0% Q4 2025 Mar 16, 2026
Trustees of Columbia University in the City of New York History Closed out 0 0 0.04% -133,903 -100.0% Q3 2025 Nov 14, 2025
TWO SIGMA SECURITIES, LLC History Closed out 0 0 0.0% -13,749 -100.0% Q3 2025 Nov 14, 2025
DLK Investment Management, LLC History Closed out 0 0 0.01% -10,333 -100.0% Q3 2025 Oct 14, 2025
SBI Securities Co., Ltd. History Reduced 157 0 0.0% -7,999 -98.08% Q4 2025 Feb 03, 2026
China Universal Asset Management Co., Ltd. History Closed out 0 0 0.0% -2,138 -100.0% Q3 2025 Nov 10, 2025
BARCLAYS PLC History Reduced 19 0 0.0% -803 -97.69% Q4 2025 Feb 13, 2026
Mirae Asset Global Investments Co., Ltd. History Closed out 0 0 -472 -100.0% Q3 2025 Nov 03, 2025
CITIGROUP INC History Closed out 0 0 -236 -100.0% Q3 2025 Nov 10, 2025
GF FUND MANAGEMENT CO. LTD. History Closed out 0 0 -227 -100.0% Q3 2025 Nov 07, 2025
CWM, LLC History Reduced 54 0 -165 -75.34% Q4 2025 Jan 26, 2026
Allworth Financial LP History New 98 0 +98 New Q4 2025 Feb 05, 2026
OSAIC HOLDINGS, INC. History Reduced 132 0 -55 -29.41% Q4 2025 Feb 17, 2026
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO History New 30 0 +30 New Q4 2025 Feb 10, 2026
ST GERMAIN D J CO INC History Closed out 0 0 -11 -100.0% Q3 2025 Oct 07, 2025
DANSKE BANK A/S History No change 1 0 0 0.0% Q4 2025 Feb 02, 2026
HARBOUR INVESTMENTS, INC. History No change 11 0 0 0.0% Q4 2025 Feb 09, 2026
GROUP ONE TRADING LLC History No change 34 0 0 0.0% Q4 2025 Feb 12, 2026
NISA INVESTMENT ADVISORS, LLC History No change 166 0 0 0.0% Q4 2025 Jan 15, 2026
AdvisorNet Financial, Inc History No change 2 0 0 0.0% Q4 2025 Jan 20, 2026
Federation des caisses Desjardins du Quebec History No change 70 0 0 0.0% Q4 2025 Feb 12, 2026