Companies / IO Biotech, Inc.
IO Biotech, Inc.
Foreign · IFRSCIK 1865494COPENHAGEN
Financials
Ownership
71.9M shares outstanding · as of Nov 10, 2025
Ownership
| 10%+ / strategic | 6.31% | 4,543,532 |
| Institutions | 11.29% | 8,123,930 |
| Public float | 82.39% | 59,281,380 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 0
View all →| Insider | % of shares | Shares |
|---|---|---|
| No insiders recorded yet. | ||
Institutional holders 23
View all →| Holder | Value | % of shares |
|---|---|---|
| $1.53M | 3.49% | |
| $844.3K | 1.93% | |
| $486.4K | 1.11% | |
| $328.3K | 0.75% | |
| $308.1K | 0.70% | |
| $275.1K | 0.63% | |
| $275.0K | 0.63% | |
| $126.4K | 0.29% | |
| $67.9K | 0.15% | |
| $45.7K | 0.10% |
Activity
Mar 31, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Novo Holdings A/S 13F manager | Exit | Common stock | $-1.53M | -2.5M -100.00% | 0 | low |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Exit | Common stock | $-126.4K | -208K -100.00% | 0 | low |
| Q1 2026 as of | Bridgeway Capital Management, LLC 13F manager | Exit | Common stock | $-45.7K | -75K -100.00% | 0 | low |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Trim | Common stock | $-7.7K | -128K -29.82% | 301,291 0.42% of shares | low |
| Q1 2026 as of | Millennium Management LLC 13F manager | Add | Common stock | $3.3K | +55K +39.97% | 194,158 0.27% of shares | low |
| Q1 2026 as of | Gsa Capital Partners LLP 13F manager | New | Common stock | $20 | +348K | 348,352 0.48% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Point72 Asset Management, L.P. | Passive13G | — |
| Chernett Jorey | Passive13G/A | — |
| HBM Healthcare Investments (Cayman) Ltd. | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| — | — | 449778109 |