Q32 BioQTTB

13F holders, Q1 2025 (March 31)
73holders −19
7new positions
26sold out
1famous investor
$1.65avg. 13F price*

At the end of Q1 2025, 73 institutions reported holding Q32 Bio Inc. (QTTB) in their 13F filings, down 19 from Q4 2024. 7 opened new positions and 26 sold out. The largest holders were Orbimed Advisors LLC ($3.7M), Atlas Venture Life Science Advisors, LLC ($3.5M) and Carlyle Group Inc. ($1.8M). One famous investor held it Cliff Asness (0.0% of AQR Capital Management's portfolio).

Company
Q32 Bio Inc.
CUSIP
746964105
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080100 Q1 2024: 38Q1 2024Q2 2024: 54Q2 2024Q3 2024: 73Q3 2024Q4 2024: 92Q4 2024Q1 2025: 73Q1 2025Q2 2025: 61Q2 2025Q3 2025: 53Q3 2025Q4 2025: 52Q4 2025Q1 2026: 53Q1 2026Q2 2026: 71Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions7$157K
Exits26$5.0M

All 13F filers, Q4 2024 → Q1 2025: 175,470 shares bought and 1,763,795 shares sold, net −1,588,325 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 73 holders

Orbimed Advisors LLC 0.09% No change 2,252,987 $3.7M
Atlas Venture Life Science Advisors, LLC 0.66% No change 2,092,106 $3.5M
Carlyle Group Inc. 0.05% No change 1,102,741 $1.8M
Acorn Capital Advisors, LLC 0.88% No change 803,425 $1.3M
Monaco Asset Management SAM 0.42% Reduce -12.1% 505,451 $834K
BlackRock, Inc. 0.00% Reduce -2.1% 457,371 $755K
ARCH Venture Management, LLC 0.26% No change 320,482 $532K
Vanguard Group Inc. 0.00% Reduce -2.3% 309,214 $510K
Pfizer Inc 0.09% No change 277,777 $458K
Sanofi 0.24% No change 244,083 $403K
Geode Capital Management, LLC 0.00% Add +3.2% 137,509 $227K
State Street Corp. 0.00% Add +19.0% 137,498 $227K
Trustees of Columbia University in the City of New York 0.04% No change 133,903 $221K
Mariner, LLC 0.00% Reduce -30.2% 84,780 $140K
FMR LLC 0.00% Add +26.9% 62,391 $103K
Northern Trust Corp. 0.00% Reduce -0.1% 60,134 $99K
Nuveen, LLC 0.00% — 55,886 $92K
Goldman Sachs Group Inc. 0.00% Add +140.9% 44,373 $73K
AQR Capital Management 0.00% New 41,302 $68K
UBS Group AG 0.00% Reduce -30.3% 33,431 $55K
Acadian Asset Management LLC 0.00% New 31,138 $50K
Affinity Asset Advisors, LLC 0.01% No change 27,777 $46K
Deutsche Bank AG 0.00% No change 25,018 $41K
Bank of New York Mellon Corp 0.00% Add +7.7% 16,192 $27K
Morgan Stanley 0.00% Reduce -79.9% 14,657 $24K
Squarepoint Ops LLC 0.00% Reduce -23.6% 14,528 $24K
Charles Schwab Investment Management Inc. 0.00% Reduce -8.0% 14,190 $23K
Corton Capital Inc. 0.06% New 11,607 $19K
Rhumbline Advisers 0.00% Reduce -89.4% 11,156 $18K
Susquehanna International Group, LLP 0.00% New 10,810 $18K
Raymond James Financial Inc. 0.00% No change 10,746 $18K
Barclays PLC 0.00% Reduce -26.2% 9,170 $15K
Bank of America Corp. 0.00% Reduce -38.9% 7,292 $12K
National Bank of Canada 0.00% Add +18563.0% 5,039 $8K
Citigroup Inc. 0.00% Reduce -6.3% 4,402 $7K
Wells Fargo & Company 0.00% Add +2.2% 3,658 $6K
Cwm, LLC 0.00% Add +86375.0% 3,459 $6K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +4.5% 3,619 $6K
Tower Research Capital LLC (TRC) 0.00% Add +115.2% 3,177 $5K
Corebridge Financial, Inc. 0.00% Reduce -1.4% 2,986 $5K
JPMorgan Chase & Co. 0.00% Add +3.5% 2,930 $5K
Federated Hermes, Inc. 0.00% Add +443.1% 2,482 $4K
China Universal Asset Management Co., Ltd. 0.00% Reduce -5.4% 2,443 $4K
New York State Common Retirement Fund 0.00% No change 2,400 $4K
Royal Bank of Canada 0.00% Add +22.1% 1,688 $3K
Police & Firemen's Retirement System of New Jersey 0.00% No change 1,228 $2K
Coldstream Capital Management Inc. 0.00% New 1,114 $2K
Russell Investments Group, Ltd. 0.00% Reduce -64.9% 651 $1K
Ameritas Investment Partners, Inc. 0.00% No change 591 $975
BNP Paribas Financial Markets 0.00% Reduce -35.3% 585 $965
Fortitude Family Office, LLC 0.00% No change 562 $927
Legal & General Group Plc 0.00% No change 523 $863
California State Teachers Retirement System 0.00% No change 437 $721
Mirae Asset Global Investments Co., Ltd. 0.00% Add +0.5% 408 $698
Osaic Holdings, Inc. 0.00% Reduce -65.2% 305 $503
GF Fund Management Co. LTD. 0.00% Add +3.1% 264 $436
Clark Wealth Partners 0.00% No change 199 $328
SBI Securities Co., Ltd. 0.00% Reduce -38.2% 147 $243
CoreCap Advisors, LLC 0.00% No change 107 $177
Sterling Capital Management LLC 0.00% Reduce -48.8% 105 $173
EverSource Wealth Advisors, LLC 0.00% Add +4500.0% 92 $152
Federation des caisses Desjardins du Quebec 0.00% Add +84.2% 70 $116
Allworth Financial LP 0.00% No change 16 $30
Harbour Investments, Inc. 0.00% No change 11 $18
St Germain D J Co. Inc. 0.00% No change 11 $18
True Wealth Design, LLC 0.00% New 7 $12
Farther Finance Advisors, LLC 0.00% No change 6 $9
CBIZ Investment Advisory Services, LLC 0.00% No change 5 $8
Thompson Investment Management, Inc. 0.00% No change 4 $7
AdvisorNet Financial, Inc 0.00% No change 2 $3
Caitong International Asset Management Co., Ltd 0.00% New 2 $3
Danske Bank A/S 0.00% No change 1 $2
Amalgamated Bank 0.00% No change 209 $0

"% of holder's portfolio" is QTTB's weight in each manager's 13F, not the share of Q32 Bio Inc. the manager owns.