Q32 Bio Inc.

Historical 13F Holders

Symbol
QTTB
CUSIP
746964105
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 746964105 since 12/18/2024, newest first.

Filer % of Class Filed
Frazier Life Sciences Public Fund, L.P. 13G
5.9% 10/9/2026
Event 10/2/2026
Point72 Asset Management, L.P. 13G/A Amendment 2
4.95% 8/14/2026
Event 6/30/2026
Sirenia Capital Management LP 13G/A Amendment 1
0% 8/14/2026
Event 6/30/2026
Opaleye Management Inc. 13G/A Amendment 2
5.5% 7/31/2026
Event 6/30/2026
Orbimed Advisors LLC 13D/A Amendment 4
13.9% 7/20/2026
Event 7/16/2026
Boxer Capital Management, LLC 13G
13.3% 7/10/2026
Event 6/30/2026
Carlyle Group Inc. 13G/A Amendment 1
4.1% 7/6/2026
Event 6/30/2026
RA Capital Management, L.P. 13G
9.8% 6/4/2026
Event 5/28/2026
Biotechnology Value Fund L P 13G
10.0% 6/4/2026
Event 5/28/2026
Orbimed Advisors LLC 13D/A Amendment 3
17.4% 6/1/2026
Event 5/28/2026
Atlas Venture Fund X, L.P. 13D/A Amendment 1
3.6% 5/28/2026
Event 5/26/2026
Point72 Asset Management, L.P. 13G/A Amendment 1
5.7% 5/15/2026
Event 3/31/2026
Sirenia Capital Management LP 13G
9.9% 5/15/2026
Event 3/31/2026
Opaleye Management Inc. 13G/A Amendment 1
8.6% 5/6/2026
Event 3/31/2026
Orbimed Advisors LLC 13D/A Amendment 2
13.3% 5/6/2026
Event 5/5/2026
Orbimed Advisors LLC 13D/A Amendment 1
15.4% 3/12/2026
Event 2/18/2026
Opaleye Management Inc. 13G
8.7% 2/20/2026
Event 2/19/2026
Point72 Asset Management, L.P. 13G
9.9% 2/19/2026
Event 2/17/2026
Pfizer Inc 13G/A Amendment 1 2.3% 2/13/2026
Event 12/31/2024
Sio Capital Management, LLC 13G 0% 4/8/2025
Event 3/31/2025
Bristol Myers Squibb Co 13G/A Amendment 1 1.6% 2/14/2025
Event 12/31/2024
Sio Capital Management, LLC 13G 5.7% 2/10/2025
Event 12/31/2024

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q2 74 22.2 M $283 M
2026 Q1 53 9.43 M $60.6 M
2025 Q4 52 8.04 M $26.7 M
2025 Q3 54 8.43 M $16.6 M
2025 Q2 64 8.99 M $13.4 M
2025 Q1 74 9.41 M $15.5 M
2024 Q4 100 11.8 M $40.6 M
2024 Q3 75 9.11 M $406 M
2024 Q2 58 8.07 M $144 M
2024 Q1 43 7.43 M $126 M