Alumis Ownership | Who Owns Alumis?
Alumis Ownership Summary
Alumis is owned by 15.41% institutional investors, 0.82% insiders, and 83.77% retail investors. Ayurmaya capital management company, lp is the largest institutional shareholder, holding 19.80% of ALMS shares.
ALMS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Alumis | 15.41% | 0.82% | 83.77% |
| Sector | Healthcare Stocks | 42.53% | 10.81% | 46.67% |
| Industry | Biotech Stocks | 45.24% | 10.75% | 44.01% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Ayurmaya capital management company, lp | 15.14M | 19.80% | $60.41M |
| Foresite capital management v | 5.78M | 7.56% | $23.06M |
| Samsara biocapital | 4.80M | 6.28% | $19.16M |
| Venbio partners | 4.62M | 6.04% | $18.43M |
| Foresite capital management vi | 4.25M | 5.55% | $16.95M |
| Blackrock funding, inc. /de | 4.19M | 5.48% | $16.73M |
| Vanguard group | 4.03M | 5.27% | $16.08M |
| Trium capital llp | 3.12M | 4.08% | $12.46M |
| Nextech invest | 2.92M | 3.81% | $11.63M |
| Cormorant asset management, lp | 2.15M | 2.81% | $8.57M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Ayurmaya capital management company, lp | 15.14M | 100.00% | $60.41M |
| Foresite capital management v | 5.78M | 21.21% | $23.06M |
| Tybourne capital management (hk) | 1.40M | 18.05% | $5.58M |
| Venbio partners | 4.62M | 10.45% | $18.43M |
| Foresite capital management vi | 4.25M | 6.55% | $16.95M |
| Trium capital llp | 3.12M | 4.87% | $12.46M |
| Bml capital management | 1.21M | 4.42% | $4.83M |
| Yu fan | 789.62K | 4.10% | $3.15M |
| Velan capital investment management lp | 946.68K | 3.55% | $3.78M |
| Samsara biocapital | 4.80M | 2.50% | $19.16M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Woodline partners lp | 1.75M | 0.03% | 1.56M |
| Vanguard group | 4.03M | 0.00% | 625.40K |
| Trium capital llp | 3.12M | 4.87% | 474.07K |
| Balyasny asset management | 351.14K | 0.00% | 351.14K |
| Exome asset management | 292.77K | 0.71% | 292.77K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Madison avenue partners, lp | 417.78K | 0.10% | -1.42M |
| Tang capital management | 1.17M | 0.18% | -829.79K |
| Velan capital investment management lp | 946.68K | 3.55% | -674.16K |
| Cantor fitzgerald, l. p. | - | - | -559.20K |
| Ally bridge group (ny) | - | - | -445.26K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Balyasny asset management | 351.14K | 0.00% | 351.14K | $1.05M |
| Exome asset management | 292.77K | 0.71% | 292.77K | $1.17M |
| Wellington management group llp | 165.50K | 0.00% | 165.50K | $660.36K |
| Susquehanna portfolio strategies | 158.76K | 0.01% | 158.76K | $633.44K |
| Quantinno capital management lp | 87.61K | 0.00% | 87.61K | $349.56K |
Sold Out
| Holder | Change |
|---|---|
| Gamma investing | -19.00 |
| Glenmede investment management, lp | -78.00 |
| Fortitude family office | -104.00 |
| Massmutual trust co fsb/adv | -144.00 |
| Raymond james financial | -215.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 39 | -66.09% | 11,785,940 | -84.82% | 15 | 0.15% | 22 | -77.55% | 6 | 200.00% |
| Jun 30, 2025 | 121 | 68.06% | 78,309,349 | 94.78% | 102 | 1.87% | 102 | 104.00% | 2 | -50.00% |
| Mar 31, 2025 | 71 | 14.52% | 40,200,845 | 0.23% | 74 | 1.33% | 49 | 25.64% | 4 | -33.33% |
| Dec 31, 2024 | 63 | 23.53% | 40,259,042 | 15.07% | 74 | 1.77% | 40 | - | 6 | 50.00% |
| Sep 30, 2024 | 51 | 75.86% | 34,986,402 | 22.44% | 65 | 2.36% | 40 | 37.93% | 4 | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Dec 01, 2025 | AKKARAJU SRINIVAS | - | Buy | $644.17K |
| Nov 26, 2025 | AKKARAJU SRINIVAS | - | Buy | $370.82K |
| Nov 28, 2025 | AKKARAJU SRINIVAS | - | Buy | $295.68K |
| Nov 21, 2025 | Foresite Capital Management VI LLC | - | Buy | $532.92K |
| Nov 21, 2025 | Tananbaum James B. | Buy | $532.92K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | 23 | - |
| 2025 Q3 | - | - |
| 2025 Q2 | 12 | - |
ALMS Ownership FAQ
Try Tickergate Pro Free
Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)
Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis
Discover trending investment themes
Find your next best investment
Research stocks using tools