IO Biotech, Inc.

Historical 13F Holders

Symbol
IOBTQ
CUSIP
449778109
All holders as of
Q1 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Shares Held, Excluding Options
Total Filers

13D/G Filers

Each filer's latest filing for 449778109 since 12/18/2024, largest first.

Filer % of Class Filed
Lundbeckfond Invest A/S 13D/A 27.4% 6/2/2026
Event 3/31/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (6)
Vivo Capital IX, LLC 13G/A
4.6% 11/14/2025
Event 9/30/2025
Samsara BioCapital, L.P. 13G/A
3.8% 2/14/2025
Event 12/31/2024
Novo Holdings A/S 13D/A 3.3% 1/23/2026
Event 1/21/2026
HBM Healthcare Investments (Cayman) Ltd. 13G/A 3.3% 4/6/2026
Event 4/2/2026
Chernett Jorey 13G/A 0% 5/20/2026
Event 3/31/2026
Point72 Asset Management, L.P. 13G/A
0% 5/15/2026
Event 3/31/2026

13F Holders by Quarter

Period Filers Shares, Excl. Options Value, Excl. Options
2026 Q1 12 3.39 M $199k
2025 Q4 22 7.85 M $4.78M
2025 Q3 21 9.90 M $3.59M
2025 Q2 27 18.2 M $25.3M
2025 Q1 23 19.1 M $20.8M
2024 Q4 28 19.7 M $18.2M
2024 Q3 21 23.6 M $24.8M
2024 Q2 22 26.2 M $30.7M
2024 Q1 20 27.4 M $47.4M
2023 Q4 20 29.4 M $55.3M
2023 Q3 20 29.7 M $41.7M
2023 Q2 16 12.2 M $24.0M
2023 Q1 18 13.9 M $26.1M
2022 Q4 18 14.3 M $32.8M
2022 Q3 22 15.3 M $41.6M
2022 Q2 19 15.5 M $72.2M
2022 Q1 20 14.9 M $76.9M
2021 Q4 21 15.0 M $92.6M