IO Biotech, Inc.
IOBTDelisted Jun 8, 2026- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001865494
IO Biotech, Inc. was delisted on Jun 8, 2026; its insiders filed their last Form 4 on Jun 6, 2025; 12 institutions reported holding it in 13F filings for Q1 2026, worth $199.0K in total; no superinvestor held it.
Holders of 5% or more of IOBT
Holders whose latest Schedule 13D or 13G filing reports 5% or more of IO Biotech, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| HBM Healthcare Investments (Cayman) Ltd. | 13G/A | 8.20%5.52M shares | – | Feb 13, 20251 filing | Feb 13, 2025 | SEC |
| Novo Holdings A/S | 13D/A | 7.30%4.98M shares | – | Aug 19, 20251 filing | Aug 19, 2025 | SEC |
| Chernett Jorey | 13G/A | 6.30%4.54M shares | +1.00 ppfrom 5.30% | Nov 5, 20252 filings | Feb 13, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
6 Schedule 13D and 13G filings on IO Biotech, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 13, 20265:06 PM ET | Chernett Jorey | 13G/A | 6.30%4.54M shares | +1.00 ppfrom 5.30% | Dec 31, 2025 | SEC |
| Nov 14, 20256:39 PM ET | Vivo Capital IX, LLCand 3 others | 13G/A | 4.60%3.16M shares | –Below 5% | Sep 30, 2025 | SEC |
| Nov 5, 20253:26 PM ET | Chernett Jorey | 13G | 5.30%3.48M shares | New | Oct 30, 2025 | SEC |
| Aug 19, 20255:09 PM ET | Novo Holdings A/S | 13D/A | 7.30%4.98M shares | – | Aug 11, 2025 | SEC |
| Feb 14, 20255:54 PM ET | Samsara BioCapital, L.P.and 2 others | 13G/A | 3.80%2.63M shares | –Below 5% | Dec 31, 2024 | SEC |
| Feb 13, 20254:15 PM ET | HBM Healthcare Investments (Cayman) Ltd. | 13G/A | 8.20%5.52M shares | – | Dec 31, 2023 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell IO Biotech, Inc. shares.
No Form 144 notices for IO Biotech, Inc. are on file.