Q32 BioQTTB

13F holders, Q3 2024 (September 30)
73holders +19
26new positions
8sold out
3famous investors
$44.56avg. 13F price*

At the end of Q3 2024, 73 institutions reported holding Q32 Bio Inc. (QTTB) in their 13F filings, up 19 from Q2 2024. 26 opened new positions and 8 sold out. The largest holders were Orbimed Advisors LLC ($100.5M), Atlas Venture Life Science Advisors, LLC ($93.3M) and Carlyle Group Inc. ($48.6M). 3 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies'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 Q2 2024 → Q3 2024

InstitutionsTotal Value
New Positions26$47.0M
Exits8$8.1M

All 13F filers, Q2 2024 → Q3 2024: 1,555,397 shares bought and 578,715 shares sold, net +976,682 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 73 holders

Orbimed Advisors LLC 1.84% No change 2,252,987 $100.5M
Atlas Venture Life Science Advisors, LLC 8.65% No change 2,092,106 $93.3M
Carlyle Group Inc. 5.10% No change 1,102,741 $48.6M
FMR LLC 0.00% Add +137.3% 426,302 $19.0M
BlackRock, Inc. 0.00% — 408,659 $18.2M
Adage Capital Partners Gp, L.L.C. 0.03% New 404,411 $18.0M
ARCH Venture Management, LLC 5.49% No change 320,482 $14.3M
Temasek Holdings (Private) Ltd 0.06% No change 313,943 $14.0M
Vanguard Group Inc. 0.00% Add +106.3% 285,416 $12.7M
Eventide Asset Management, LLC 0.15% New 190,000 $8.5M
Harvard Management Co. Inc. 0.42% No change 162,965 $7.3M
Geode Capital Management, LLC 0.00% Add +22.4% 131,768 $5.9M
State Street Corp. 0.00% Add +35.5% 110,164 $4.9M
Woodline Partners LP 0.04% New 106,901 $4.8M
Millennium Management 0.00% New 100,343 $4.5M
Point72 Asset Management 0.01% New 76,685 $3.4M
Platinum Investment Management Ltd. 0.13% Reduce -25.3% 66,801 $3.0M
Ensign Peak Advisors, Inc 0.01% No change 64,481 $2.9M
ADAR1 Capital Management, LLC 0.48% Reduce -59.0% 64,245 $2.9M
Northern Trust Corp. 0.00% New 61,255 $2.7M
Erste Asset Management GmbH 0.03% Add +100.0% 60,000 $2.7M
Nuveen Asset Management, LLC 0.00% New 55,886 $2.5M
Affinity Asset Advisors, LLC 0.21% No change 27,777 $1.2M
Vivo Capital, LLC 0.08% No change 20,559 $917K
Morgan Stanley 0.00% Add +144.4% 16,516 $737K
Jane Street Group, LLC 0.00% New 16,437 $733K
Renaissance Technologies 0.00% Add +9.5% 16,164 $721K
Charles Schwab Investment Management Inc. 0.00% No change 15,410 $688K
Bank of New York Mellon Corp 0.00% Reduce -14.4% 15,042 $671K
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 0.02% Add +10.2% 13,229 $590K
Informed Momentum Co LLC 0.08% New 12,703 $567K
Goldman Sachs Group Inc. 0.00% Add +4.1% 12,434 $555K
Bank of America Corp. 0.00% Reduce -13.9% 11,445 $511K
Barclays PLC 0.00% Add +105.2% 10,443 $466K
Rhumbline Advisers 0.00% Add +9.0% 8,348 $372K
Trexquant Investment LP 0.00% New 7,790 $348K
Franklin Resources Inc. 0.00% New 4,857 $225K
Artia Global Partners LP 0.06% New 4,705 $210K
Citigroup Inc. 0.00% Add +224.3% 4,391 $196K
JPMorgan Chase & Co. 0.00% Add +40.8% 3,688 $165K
UBS Group AG 0.00% Add +37.6% 3,642 $163K
MetLife Investment Management, LLC 0.00% New 3,563 $159K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% New 3,311 $148K
Corebridge Financial, Inc. 0.00% Reduce -0.7% 3,223 $144K
Deutsche Bank AG 0.00% New 3,128 $140K
Wells Fargo & Company 0.00% Add +1.9% 2,779 $124K
New York State Common Retirement Fund 0.00% Reduce -63.6% 2,400 $111K
BNP Paribas Financial Markets 0.00% Add +199.1% 1,298 $58K
Values First Advisors, Inc. 0.02% New 741 $33K
Royal Bank of Canada 0.00% Add +14.2% 710 $32K
Ameritas Investment Partners, Inc. 0.00% No change 591 $26K
Osaic Holdings, Inc. 0.00% Add +362.9% 574 $26K
Legal & General Group Plc 0.00% No change 523 $23K
California State Teachers Retirement System 0.00% No change 437 $19K
Amalgamated Bank 0.00% No change 209 $9K
Tower Research Capital LLC (TRC) 0.00% Reduce -91.3% 192 $9K
Allspring Global Investments Holdings, LLC 0.00% New 131 $6K
Federated Hermes, Inc. 0.00% New 108 $5K
GAMMA Investing LLC 0.00% New 74 $3K
Russell Investments Group, Ltd. 0.00% New 74 $3K
National Bank of Canada 0.00% New 38 $2K
Federation des caisses Desjardins du Quebec 0.00% Reduce -2.6% 38 $2K
US Bancorp \de 0.00% New 31 $1K
Nisa Investment Advisors, LLC 0.00% New 26 $1K
Northwestern Mutual Wealth Management Co. 0.00% New 24 $1K
Sterling Capital Management LLC 0.00% — 19 $848
AdvisorNet Financial, Inc 0.00% No change 13 $580
Bfsg, LLC 0.00% No change 11 $491
Harbour Investments, Inc. 0.00% No change 11 $491
St Germain D J Co. Inc. 0.00% No change 11 $491
Thompson Investment Management, Inc. 0.00% No change 4 $178
Danske Bank A/S 0.00% New 1 $45
Cwm, LLC 0.00% New 5 $0

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