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.
13F holders, Q4 2024
Institutional positions in IO Biotech, Inc. as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 27
- +7 vs. Q3 2024
- Shares held
- 19.7M
- −3.90M (−16.5%) vs. Q3 2024
- Total value
- $18.2M
- −$6.66M (−26.8%) vs. Q3 2024
- New holders
- 12
- 1 more added
- Sold out
- 5
- 4 more reduced
Compare with Q3 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IOBT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 12 | $199.0K |
| Q4 2025 | 22 | $4.78M |
| Q3 2025 | 21 | $3.59M |
| Q2 2025 | 26 | $25.3M |
| Q1 2025 | 22 | $20.8M |
| Q4 2024 | 27 | $18.2M |
| Q3 2024 | 20 | $24.8M |
| Q2 2024 | 20 | $30.7M |
| Q1 2024 | 18 | $47.4M |
| Q4 2023 | 18 | $55.3M |
| Q3 2023 | 19 | $41.7M |
| Q2 2023 | 15 | $24.0M |
| Q1 2023 | 17 | $26.1M |
| Q4 2022 | 17 | $32.8M |
| Q3 2022 | 21 | $41.6M |
| Q2 2022 | 18 | $72.2M |
| Q1 2022 | 19 | $76.9M |
| Q4 2021 | 20 | $92.6M |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2024
Shares, value and share of portfolio for each institution holding IO Biotech, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citigroup Inc | 5 | $5 | 0.00% | +5 | New |
| SBI Securities Co., Ltd. | 130 | $120 | 0.00% | +130 | New |
| HRT Financial LP | 12,689 | $11.0K | 0.00% | −13,957−52.4% | Reduced |
| Two Sigma Securities, LLC | 12,384 | $11.4K | 0.00% | +12,384 | New |
| PKS Advisory Services, LLC | 16,000 | $14.7K | 0.00% | +16,000 | New |
| Wealth Enhancement Advisory Services, LLC | 20,000 | $18.4K | 0.00% | +20,000 | New |
| XTX Topco Ltd | 28,040 | $25.8K | 0.00% | +28,040 | New |
| Vontobel Holding Ltd. | 32,667 | $30.1K | 0.00% | +32,667 | New |
| Geode Capital Management, LLC | 33,307 | $30.6K | 0.00% | 00.0% | Unchanged |
| Marex Group plc | 45,000 | $41.4K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 47,030 | $43.3K | 0.00% | −60,876−56.4% | Reduced |
| Acadian Asset Management LLC | 60,650 | $54.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 60,000 | $55.0K | 0.00% | +60,000 | New |
| Sectoral Asset Management Inc | 75,000 | $69.0K | 0.05% | +75,000 | New |
| Renaissance Technologies LLC | 118,800 | $109.3K | 0.00% | +21,800+22.5% | Added |
| Bridgeway Capital Management, LLC | 174,000 | $160.1K | 0.00% | −25,623−12.8% | Reduced |
| Soleus Capital Management, L.P. | 192,670 | $177.3K | 0.01% | 00.0% | Unchanged |
| Citadel Advisors LLC | 270,504 | $248.9K | 0.00% | +270,504 | New |
| Landscape Capital Management, L.L.C. | 442,196 | $406.8K | 0.04% | +442,196 | New |
| Dauntless Investment Group, LLC | 747,646 | $687.8K | 2.91% | +747,646 | New |
| Morgan Stanley | 859,175 | $790.4K | 0.00% | −1,342,910−61.0% | Reduced |
| Pivotal bioVenture Partners Investment Advisor LLC | 864,197 | $795.1K | 0.54% | 00.0% | Unchanged |
| Bank of America Corp | 1,651,515 | $1.52M | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 2,105,262 | $1.94M | 0.00% | 00.0% | Unchanged |
| PFM Health Sciences, LP | 2,341,107 | $2.15M | 0.16% | 00.0% | Unchanged |
| Novo Holdings A/S | 3,354,449 | $3.09M | 0.19% | 00.0% | Unchanged |
| Vivo Capital, LLC | 6,173,439 | $5.68M | 0.64% | 00.0% | Unchanged |
| Samsara BioCapital, LLC | 0 | $0 | 0.00% | −3,640,015−100.0% | Sold out |
| Logos Global Management LP | 0 | $0 | 0.00% | −493,827−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −17,954−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −230−100.0% | Sold out |