IO Biotech Ownership | Who Owns IO Biotech?
IO Biotech Ownership Summary
IO Biotech is owned by 0.76% institutional investors, 6.63% insiders, and 92.61% retail investors. Bank of america corp /de/ is the largest institutional shareholder, holding 2.51% of IOBT shares. HBM Healthcare Investments AG Ord is the top mutual fund, with 5.48% of its assets in IO Biotech shares.
IOBT Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | IO Biotech | 0.76% | 6.63% | 92.61% |
| Sector | Healthcare Stocks | 35.74% | 11.83% | 52.43% |
| Industry | Biotech Stocks | 36.05% | 11.82% | 52.13% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Bank of america corp /de/ | 1.65M | 2.51% | $1.93M |
| Ikarian capital | 1.39M | 2.07% | $81.39K |
| Alyeska investment group | 987.65K | 1.50% | $1.16M |
| Boothbay fund management | 451.85K | 0.68% | $26.52K |
| Gsa capital partners llp | 348.35K | 0.52% | $20.00K |
| Marshall wace, llp | 301.29K | 0.45% | $18.08K |
| Xtx topco | 265.79K | 0.40% | $15.60K |
| Point72 asset management | 250.00K | 0.38% | $90.78K |
| Morgan stanley | 206.22K | 0.31% | $12.11K |
| Millennium management | 194.16K | 0.29% | $11.40K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Ikarian capital | 1.39M | 0.01% | $81.39K |
| Alyeska investment group | 987.65K | 0.01% | $1.16M |
| Gsa capital partners llp | 348.35K | 0.00% | $20.00K |
| Quadrature capital | 83.38K | 0.00% | $30.28K |
| Xtx topco | 265.79K | 0.00% | $15.60K |
| Boothbay fund management | 451.85K | 0.00% | $26.52K |
| Point72 asset management | 250.00K | 0.00% | $90.78K |
| Bank of america corp /de/ | 1.65M | 0.00% | $1.93M |
| Novo | - | - | - |
| Marshall wace, llp | 301.29K | - | $18.08K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Gsa capital partners llp | 348.35K | 0.00% | 348.35K |
| Point72 asset management | 250.00K | 0.00% | 250.00K |
| Xtx topco | 265.79K | 0.00% | 249.93K |
| Quadrature capital | 83.38K | 0.00% | 83.38K |
| Royal bank of canada | 60.00K | - | 60.00K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Vivo capital | - | - | -6.17M |
| Samsara biocapital | - | - | -3.64M |
| Novo | - | - | -2.51M |
| Pfm health sciences, lp | - | - | -1.97M |
| Armistice capital | - | - | -1.54M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Gsa capital partners llp | 348.35K | 0.00% | 348.35K | $20.00K |
| Point72 asset management | 250.00K | 0.00% | 250.00K | $90.78K |
| Quadrature capital | 83.38K | 0.00% | 83.38K | $30.28K |
| Royal bank of canada | 60.00K | - | 60.00K | $55.00K |
| Jane street group | 57.97K | - | 57.97K | $3.40K |
Sold Out
| Holder | Change |
|---|---|
| Sbi securities | -122.00 |
| Advisor group | -230.00 |
| Raymond james financial | -1.00K |
| Redwood wealth management group | -4.17K |
| Scientech research | -11.26K |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 4 | -81.82% | 509,801 | -93.50% | - | 0.55% | 2 | -75.00% | 2 | -75.00% |
| Dec 31, 2025 | 9 | -57.14% | 1,410,085 | -85.75% | 2 | 0.93% | 3 | -78.57% | 3 | -40.00% |
| Sep 30, 2025 | 20 | -16.67% | 9,870,183 | -43.60% | 14 | 2.12% | 13 | 18.18% | 5 | -16.67% |
| Jun 30, 2025 | 26 | 23.81% | 18,182,707 | -4.64% | 27 | 3.29% | 11 | 175.00% | 8 | - |
| Mar 31, 2025 | 1 | -96.15% | 23,717 | -99.88% | - | 0.00% | 1 | -92.31% | - | -100.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| HBM Healthcare Investments AG Ord | 3.94M | 5.48% | - |
| MEDICAL BioHealth EUR Acc | 679.10K | 1.03% | 7.40K |
| Fidelity Select Biotechnology | 314.60K | 0.48% | - |
| Abante Quant Value FI | 218.78K | 0.30% | - |
| Protea Sectoral Biotech Opps IF USD Acc | 91.44K | 0.14% | - |
| Bridgeway Ultra-Small Company Market | 75.00K | 0.10% | - |
| Fidelity Nasdaq Composite Index | 33.31K | 0.05% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 30, 2025 | Hunter Heidi | - | Buy | $20.88K |
| Dec 23, 2024 | Ahmad Qasim Iftikhar | Chief Medical Officer | Buy | $26.55K |
| Dec 23, 2024 | Zocca Mai-Britt | Chief Executive Officer | Buy | $10.12K |
| Dec 23, 2024 | Sullivan Amy | Chief Financial Officer | Buy | $8.48K |
| Dec 23, 2024 | Smith Devin Whittemore | General Counsel | Buy | $9.72K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | 1 | - |
| 2024 Q4 | 4 | - |
| 2024 Q3 | - | 2 |
| 2024 Q2 | - | 1 |
| 2024 Q1 | - | 1 |
IOBT Ownership FAQ
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