Q32 BioQTTB

13F holders, Q2 2024 (June 30)
54holders +16
19new positions
4sold out
2famous investors
$17.88avg. 13F price*

At the end of Q2 2024, 54 institutions reported holding Q32 Bio Inc. (QTTB) in their 13F filings, up 16 from Q1 2024. 19 opened new positions and 4 sold out. The largest holders were Orbimed Advisors LLC ($40.4M), Atlas Venture Life Science Advisors, LLC ($37.6M) and Carlyle Group Inc. ($19.2M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors'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 Q1 2024 → Q2 2024

InstitutionsTotal Value
New Positions19$6.4M
Exits4$1.0M

All 13F filers, Q1 2024 → Q2 2024: 1,113,371 shares bought and 481,577 shares sold, net +631,794 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 54 holders

Orbimed Advisors LLC 0.80% No change 2,252,987 $40.4M
Atlas Venture Life Science Advisors, LLC 3.95% No change 2,092,106 $37.6M
Carlyle Group Inc. 1.82% No change 1,102,741 $19.2M
BlackRock Inc. 0.00% Add +667.9% 342,269 $6.1M
ARCH Venture Management, LLC 2.16% No change 320,482 $5.8M
Temasek Holdings (Private) Ltd 0.03% No change 313,943 $5.6M
5AM Venture Management, LLC 1.01% No change 251,994 $4.5M
FMR LLC 0.00% Add +5013.5% 179,638 $3.2M
Harvard Management Co. Inc. 0.18% New 162,965 $2.9M
ADAR1 Capital Management, LLC 0.57% Reduce -16.6% 156,504 $2.8M
Vanguard Group Inc. 0.00% Add +28.4% 138,367 $2.5M
Ikarian Capital, LLC 0.61% Add +388.4% 109,094 $2.0M
Geode Capital Management, LLC 0.00% Add +499.2% 107,654 $1.9M
Platinum Investment Management Ltd. 0.07% Reduce -18.6% 89,456 $1.6M
State Street Corp. 0.00% New 81,299 $1.5M
Ensign Peak Advisors, Inc 0.00% Add +150.6% 64,481 $1.2M
Exome Asset Management LLC 0.70% Reduce -32.5% 43,865 $787K
Erste Asset Management GmbH 0.01% No change 30,000 $539K
Boothbay Fund Management, LLC 0.02% New 29,575 $531K
Affinity Asset Advisors, LLC 0.09% No change 27,777 $499K
Vivo Capital, LLC 0.03% Reduce -94.4% 20,559 $369K
Citadel Advisors 0.00% Add +80.1% 18,119 $325K
Bank of New York Mellon Corp 0.00% New 17,569 $315K
Charles Schwab Investment Management Inc. 0.00% New 15,410 $277K
Renaissance Technologies 0.00% New 14,764 $265K
Bank of America Corp. 0.00% Add +42.0% 13,291 $239K
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 0.01% New 12,000 $215K
Goldman Sachs Group Inc. 0.00% New 11,942 $214K
Rhumbline Advisers 0.00% Add +11681.5% 7,658 $137K
Morgan Stanley 0.00% Add +834.7% 6,758 $121K
New York State Common Retirement Fund 0.00% New 6,600 $118K
Barclays PLC 0.00% Add +70.6% 5,090 $91K
Corebridge Financial, Inc. 0.00% — 3,244 $58K
Wells Fargo & Company 0.00% Add +3351.9% 2,727 $49K
UBS Group AG 0.00% Add +181.5% 2,646 $47K
JPMorgan Chase & Co. 0.00% Add +5037.3% 2,620 $47K
Tower Research Capital LLC (TRC) 0.00% New 2,202 $40K
Citigroup Inc. 0.00% New 1,354 $24K
Royal Bank of Canada 0.00% Add +1030.9% 622 $11K
Ameritas Investment Partners, Inc. 0.00% New 591 $11K
Legal & General Group Plc 0.00% New 523 $9K
Redwood Wealth Management Group, LLC 0.01% New 511 $9K
California State Teachers Retirement System 0.00% New 437 $8K
BNP Paribas Financial Markets 0.00% New 434 $8K
Amalgamated Bank 0.00% New 209 $4K
Osaic Holdings, Inc. 0.00% Add +726.7% 124 $2K
Federation des caisses Desjardins du Quebec 0.00% No change 39 $700
NewEdge Advisors, LLC 0.00% Reduce -12.0% 22 $395
Global Retirement Partners, LLC 0.00% New 16 $287
AdvisorNet Financial, Inc 0.00% Reduce -71.1% 13 $233
Bfsg, LLC 0.00% No change 11 $198
Harbour Investments, Inc. 0.00% New 11 $197
St Germain D J Co. Inc. 0.00% No change 11 $197
Thompson Investment Management, Inc. 0.00% No change 4 $72

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