Io BiotechIOBTQ
13F holders, Q3 2024 (September 30)20holders
5new positions
5sold out
1famous investor
$1.05avg. 13F price*
At the end of Q3 2024, 20 institutions reported holding Io Biotech Inc. (IOBTQ) in their 13F filings, unchanged from Q2 2024. 5 opened new positions and 5 sold out. The largest holders were Vivo Capital, LLC ($6.5M), Samsara Biocapital, LLC ($3.8M) and Novo Holdings A/S ($3.5M). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Io Biotech Inc.
- CUSIP
- 449778109
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $141K |
| Exits | 5 | $2.3M |
All 13F filers, Q2 2024 → Q3 2024: 544,848 shares bought and 3,136,015 shares sold, net −2,591,167 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 20 holders
| Vivo Capital, LLC | 0.54% | No change | 6,173,439 | $6.5M |
| Samsara Biocapital, LLC | 0.73% | No change | 3,640,015 | $3.8M |
| Novo Holdings A/S | 0.17% | Reduce -24.3% | 3,354,449 | $3.5M |
| PFM Health Sciences, LP | 0.14% | No change | 2,341,107 | $2.5M |
| Morgan Stanley | 0.00% | Add +11.7% | 2,202,085 | $2.3M |
| Marshall Wace, LLP | 0.00% | No change | 2,105,262 | $2.2M |
| Bank of America Corp. | 0.00% | No change | 1,651,515 | $1.7M |
| Pivotal bioVenture Partners Investment Advisor LLC | 0.54% | No change | 864,197 | $907K |
| Logos Global Management LP | 0.06% | No change | 493,827 | $519K |
| Bridgeway Capital Management, LLC | 0.00% | Add +60.2% | 199,623 | $210K |
| Soleus Capital Management, L.P. | 0.02% | No change | 192,670 | $202K |
| UBS Group AG | 0.00% | Add +3189.8% | 107,906 | $113K |
| Renaissance Technologies | 0.00% | Reduce -46.4% | 97,000 | $102K |
| Acadian Asset Management LLC | 0.00% | New | 60,650 | $63K |
| Marex Group Ltd | 0.00% | No change | 45,000 | $47K |
| Geode Capital Management, LLC | 0.00% | No change | 33,307 | $35K |
| Two Sigma Investments, LP | 0.00% | New | 30,000 | $32K |
| HRT Financial LP | 0.00% | New | 26,646 | $27K |
| Virtu Financial LLC | 0.00% | New | 17,954 | $19K |
| Osaic Holdings, Inc. | 0.00% | New | 230 | $242 |
"% of holder's portfolio" is IOBTQ's weight in each manager's 13F, not the share of Io Biotech Inc. the manager owns.