Io BiotechIOBTQ
13F holders, Q4 2024 (December 31)At the end of Q4 2024, 27 institutions reported holding Io Biotech Inc. (IOBTQ) in their 13F filings, up 7 from Q3 2024. 9 opened new positions and 5 sold out. The largest holders were Vivo Capital, LLC ($5.7M), Novo Holdings A/S ($3.1M) and PFM Health Sciences, LP ($2.2M). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and 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 Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 9 | $865K |
| Exits | 5 | $4.4M |
All 13F filers, Q3 2024 → Q4 2024: 962,596 shares bought and 5,625,392 shares sold, net −4,662,796 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 27 holders
| Vivo Capital, LLC | 0.64% | No change | 6,173,439 | $5.7M |
| Novo Holdings A/S | 0.19% | No change | 3,354,449 | $3.1M |
| PFM Health Sciences, LP | 0.17% | No change | 2,341,107 | $2.2M |
| Marshall Wace, LLP | 0.00% | No change | 2,105,262 | $1.9M |
| Bank of America Corp. | 0.00% | No change | 1,651,515 | $1.5M |
| Pivotal bioVenture Partners Investment Advisor LLC | 0.54% | No change | 864,197 | $795K |
| Morgan Stanley | 0.00% | Reduce -61.0% | 859,175 | $790K |
| Dauntless Investment Group, LLC | 2.91% | — | 747,646 | $688K |
| Landscape Capital Management, L.L.C. | 0.04% | New | 442,196 | $407K |
| Citadel Advisors | 0.00% | New | 270,504 | $249K |
| Soleus Capital Management, L.P. | 0.01% | No change | 192,670 | $177K |
| Bridgeway Capital Management, LLC | 0.00% | Reduce -12.8% | 174,000 | $160K |
| Renaissance Technologies | 0.00% | Add +22.5% | 118,800 | $109K |
| Sectoral Asset Management Inc. | 0.05% | New | 75,000 | $69K |
| Royal Bank of Canada | 0.00% | New | 60,000 | $55K |
| Acadian Asset Management LLC | 0.00% | No change | 60,650 | $54K |
| UBS Group AG | 0.00% | Reduce -56.4% | 47,030 | $43K |
| Marex Group Ltd | 0.00% | No change | 45,000 | $41K |
| Geode Capital Management, LLC | 0.00% | No change | 33,307 | $31K |
| Vontobel Holding Ltd. | 0.00% | New | 32,667 | $30K |
| XTX Topco Ltd | 0.00% | New | 28,040 | $26K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | New | 20,000 | $18K |
| PKS Advisory Services, LLC | 0.00% | — | 16,000 | $15K |
| Two Sigma Securities, LLC | 0.00% | New | 12,384 | $11K |
| HRT Financial LP | 0.00% | Reduce -52.4% | 12,689 | $11K |
| SBI Securities Co., Ltd. | 0.00% | — | 130 | $120 |
| Citigroup Inc. | 0.00% | New | 5 | $5 |
"% of holder's portfolio" is IOBTQ's weight in each manager's 13F, not the share of Io Biotech Inc. the manager owns.