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Q32 BIO Inc (QTTB)

CUSIP: 746964105 | NYSE | Healthcare · Biotechnology | Micro Cap | 172 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13GFrazier Life Sciences Public Fund, L.P.
with Frazier Life Sciences XII, L.P., Fhmls XII, L.P., Fhmls XII, L.L.C., +3 more
1,755,1165.9%New 5%+ stakeOct 2, 2026No 13F filer matched
13GBank of America Corp

Institutional Holders — Q3 2026

Sanofi244,083
0.3% of portfolio›$2.0M
Dimensional Fund Advisors LP110,331
0.0% of portfolio›$912.4K
Bank of New York Mellon Corp13,093
0.0% of portfolio›$108.3K
DCF Advisers, LLC13,000
0.0% of portfolio›$107.5K
US Bancorp \de\6,093
0.0% of portfolio›$50.4K
Citigroup Inc2,823
0.0% of portfolio›$23.3K
Simplex Trading, LLC1,582
0.0% of portfolio›$13.1K
EverSource Wealth Advisors, LLC240
0.0% of portfolio›$2.0K
Nisa Investment Advisors, LLC166
0.0% of portfolio›$1.4K
SBI Securities Co., Ltd.154
0.0% of portfolio›$1.3K
State of Wyoming70
0.0% of portfolio›$579
Physician Wealth Advisors, Inc.42
0.0% of portfolio›$348
StyleTurnoverLocationFiled
Sanofi
244,083$2.0M0.3%Deep ValueVery LowParis, India2026-11-05
Dimensional Fund Advisors LP
110,331$912.4K0.0%IndexLowAustin, TX2026-11-04
Bank of New York Mellon Corp
13,093$108.3K0.0%CoreLowNew York, NY2026-11-05
DCF Advisers, LLC
13,000$107.5K0.0%GrowthMediumMount Pleasant, SC2026-11-04
US Bancorp \de\
6,093$50.4K0.0%IndexLowMinneapolis, MN2026-11-05
Citigroup Inc
2,823$23.3K0.0%CoreMediumNew York, NY2026-11-04
Simplex Trading, LLC
1,582$13.1K0.0%CoreVery HighChicago, IL2026-11-04
EverSource Wealth Advisors, LLC
240$2.0K0.0%CoreMediumBirmingham, AL2026-11-04
Nisa Investment Advisors, LLC
166$1.4K0.0%IndexVery LowSt. Louis, MO2026-10-20
SBI Securities Co., Ltd.
154$1.3K0.0%Agg GrowthLowTokyo, Mexico2026-10-22
State of Wyoming
70$5790.0%ValueHighCheyenne, WY2026-10-28
Physician Wealth Advisors, Inc.
42$3480.0%ETFMediumMidvale, UT2026-10-20
2,205,390
7.4%
New 5%+ stake
Sep 30, 2026
273d ahead of 13F (1,035 sh) · +2,204,355
13D/AOrbimed Advisors LLC
with Orbimed Capital GP VII LLC, OrbiMed Genesis GP LLC
4,127,98713.9%UnchangedJul 16, 202616d ahead of 13F (4,127,987 sh) · no change
13GBoxer Holdings, LP3,149,31013.3%New 5%+ stakeJun 30, 2026No 13F filer matched
13G/APoint72 Capital Advisors, Inc.1,173,3965.0%Newly reportedJun 30, 2026No 13F filer matched
13G/AOpaleye, L.P.931,0005.5%New 5%+ stakeJun 30, 2026No 13F filer matched
13G/AAbingworth Bioventures VII LP691,7354.1%Newly reportedJun 30, 2026No 13F filer matched
13G/ASirenia Capital Management LP00.0%No shares heldJun 30, 2026No 13F filer matched
13D/AAtlas Venture Associates X, L.P.
with Atlas Venture Opportunity Fund II, L.P., Atlas Venture Associates Opportunity II, LLC, Atlas Venture Associates Opportunity II, L.P., +6 more
864,2613.6%Newly reportedMay 26, 2026No 13F filer matched
13GFrazier Life Sciences Public Fund, L.P.1,755,116
5.9% of class · Oct 2, 2026New 5%+ stake
with Frazier Life Sciences XII, L.P., Fhmls XII, L.P., Fhmls XII, L.L.C., +3 more
No 13F filer matched
13GBank of America Corp2,205,390
7.4% of class · Sep 30, 2026New 5%+ stake
273d ahead of 13F (1,035 sh) · +2,204,355
13D/AOrbimed Advisors LLC4,127,987
13.9% of class · Jul 16, 2026Unchanged
with Orbimed Capital GP VII LLC, OrbiMed Genesis GP LLC
16d ahead of 13F (4,127,987 sh) · no change
13GBoxer Holdings, LP3,149,310
13.3% of class · Jun 30, 2026New 5%+ stake
No 13F filer matched
13G/APoint72 Capital Advisors, Inc.1,173,396
5.0% of class · Jun 30, 2026Newly reported
No 13F filer matched
13G/AOpaleye, L.P.931,000
5.5% of class · Jun 30, 2026New 5%+ stake
No 13F filer matched
13G/AAbingworth Bioventures VII LP691,735
4.1% of class · Jun 30, 2026Newly reported
No 13F filer matched
13G/ASirenia Capital Management LP0
0.0% of class · Jun 30, 2026No shares held
No 13F filer matched
13D/AAtlas Venture Associates X, L.P.864,261
3.6% of class · May 26, 2026Newly reported
with Atlas Venture Opportunity Fund II, L.P., Atlas Venture Associates Opportunity II, LLC, Atlas Venture Associates Opportunity II, L.P., +6 more
No 13F filer matched