IO Biotech, Inc. - Common stock, par value $0.001 per share (IOBT)

Historical Holders from Q4 2021 to Q3 2025

Symbol
IOBT on Nasdaq
CUSIP
449778109
Type / Class
Equity / Common stock, par value $0.001 per share
Shares outstanding
65.6M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
9.9M
Holdings value
$3.59M
% of all portfolios
0%
Grand Portfolio weight change
0%
Number of holders
21
Number of buys
14
Number of sells
-19
Average Value change %
0%
Average buys %
+0%
Average sells %
-0.001%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of IO Biotech, Inc. - Common stock, par value $0.001 per share (IOBT)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
HBM Healthcare Investments (Cayman) Ltd. 8.2% $5.41M 5.52M HBM Healthcare Investments (Cayman) Ltd. Dec 31, 2023
Novo Holdings A/S 7.3% $7.87M 4.98M Novo Holdings A/S Aug 11, 2025
Chernett Jorey 5.3% $1.29M 3.48M Chernett Jorey Oct 30, 2025
Samsara BioCapital, L.P. 3.8% $2.58M 2.63M Samsara BioCapital, L.P. Dec 31, 2024

Institutional Holders of IO Biotech, Inc. - Common stock, par value $0.001 per share (IOBT)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 9.9M $3.59M -$13.4M $0.36 21
2025 Q2 18.2M $25.3M -$1.29M $1.39 26
2025 Q1 19.1M $20.8M -$661K $1.09 21
2024 Q4 19.7M $18.1M -$4.83M $0.92 26
2024 Q3 23.6M $24.8M -$2.96M $1.05 19
2024 Q2 26.2M $30.6M -$1.44M $1.17 20
2024 Q1 27.3M $47.4M -$3.41M $1.73 18
2023 Q4 29.4M $55.3M -$3.16M $1.88 18
2023 Q3 29.7M $41.7M +$24.4M $1.41 19
2023 Q2 12.2M $24M -$3.11M $1.96 15
2023 Q1 13.9M $26.1M -$1.18M $1.88 17
2022 Q4 14.3M $32.8M -$2.58M $2.30 17
2022 Q3 15.3M $41.6M -$327K $2.71 20
2022 Q2 15.5M $72.2M +$2.68M $4.67 18
2022 Q1 14.9M $76.9M -$1.06M $5.30 19
2021 Q4 13M $82.3M +$82.3M $6.40 19