Alumis Inc.
ALMS- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001847367
In the last 90 days, Alumis Inc. insiders filed 1 open-market purchase and 8 sales; 198 institutions reported holding it in 13F filings for Q2 2026, worth $3.32B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Alumis Inc. as of Mar 31, 2026. 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
- 197
- +66 vs. Q4 2025
- Shares held
- 114.7M
- +39.8M (+53.1%) vs. Q4 2025
- Total value
- $2.53B
- +$1.79B (+245.5%) vs. Q4 2025
- New holders
- 90
- 61 more added
- Sold out
- 24
- 33 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALMS 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 | 198 | $3.32B |
| Q1 2026 | 197 | $2.53B |
| Q4 2025 | 134 | $771.1M |
| Q3 2025 | 130 | $311.2M |
| Q2 2025 | 112 | $235.0M |
| Q1 2025 | 72 | $246.8M |
| Q4 2024 | 64 | $316.5M |
| Q3 2024 | 52 | $376.1M |
| Q2 2024 | 29 | $380.0M |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Alumis Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −163,084−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −56,728−100.0% | Sold out |
| PSP Research LLC | 0 | $0 | 0.00% | −43,769−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −38,074−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −37,707−100.0% | Sold out |
| Grange Capital, LLC | 0 | $0 | 0.00% | −32,000−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −26,567−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −26,417−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −24,769−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −23,028−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −20,900−100.0% | Sold out |
| Ieq Capital, LLC | 0 | $0 | 0.00% | −17,421−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −14,562−100.0% | Sold out |
| Banco BTG Pactual S.A. | 0 | $0 | 0.00% | −14,302−100.0% | Sold out |
| Birchview Capital, LP | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −1,776−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −1,405−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −728−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −347−100.0% | Sold out |
| Torren Management, LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |