ALMS
Alumis Inc. · Healthcare · Biotechnology
Momentum inputs (comparable managers):
holder breadth +30.0% ·
share flow +29.9% ·
net new positions +20.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 75 | 0 | 42.53M | $1.19B | +6 | −6 |
| Q1 2026 | 78 | +19 | 38.58M | $847.29M | +25 | −6 |
| Q4 2025 | 58 | +2 | 18.95M | $184.97M | +2 | — |
| Q3 2025 | 15 | +2 | 13.24M | $52.83M | +2 | — |
| Q2 2025 | 10 | +3 | 10.75M | $32.25M | +5 | −2 |
| Q1 2025 | 4 | -1 | 688.93K | $4.23M | +1 | −2 |
| Q4 2024 | 5 | +1 | 715.32K | $5.62M | +1 | — |
| Q3 2024 | 3 | -1 | 573.51K | $6.13M | +1 | −2 |
| Q2 2024 | 4 | — | 543.74K | $7.23M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 4.18M | — | $12.53M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 4.18M | — | $12.53M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 4.18M | — | $12.53M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 4.18M | — | $12.53M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 4.18M | — | $12.53M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 4.18M | — | $12.53M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 4.18M | — | $12.53M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.18M | — | $12.53M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | The Vanguard Group ✦ (passive) | 3.40M | — | $10.21M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | The Vanguard Group ✦ (passive) | 3.40M | — | $10.21M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | The Vanguard Group ✦ (passive) | 3.40M | — | $10.21M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | Geode Capital Management ✦ (passive) | 1.17M | +163.2% | $3.50M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | Geode Capital Management ✦ (passive) | 1.17M | +163.2% | $3.50M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | State Street Global Advisors ✦ (passive) | 1.11M | +414.6% | $3.33M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Millennium Management ✦ | 501.08K | New | $1.50M | 0.0% | New | 1 | SEC ↗ |
| 16 | Renaissance Technologies ✦ | 226.81K | New | $680,445 | 0.0% | New | 1 | SEC ↗ |
| 17 | Citadel Advisors ✦ | 107.08K | New | $321,225 | 0.0% | New | 1 | SEC ↗ |
| 18 | Citadel Advisors ✦ | 107.08K | New | $321,225 | 0.0% | New | 1 | SEC ↗ |
| 19 | T. Rowe Price ✦ | 28.27K | New | $85,000 | 0.0% | New | 1 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 26.11K | New | $78,341 | 0.0% | New | 1 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 26.11K | New | $78,341 | 0.0% | New | 1 | SEC ↗ |
| 22 | AQR Capital Management ✦ | 26.11K | New | $78,341 | 0.0% | New | 1 | SEC ↗ |
| 23 | Fidelity (FMR) ✦ | 4.84K | — | $14,520 | 0.0% | n/c | 1 | SEC ↗ |
| 24 | Fidelity (FMR) ✦ | 4.84K | — | $14,520 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Millennium Management | $1.50M | 0.0% |
| Renaissance Technologies | $680,445 | 0.0% |
| Citadel Advisors | $321,225 | 0.0% |
| Citadel Advisors | $321,225 | 0.0% |
| T. Rowe Price | $85,000 | 0.0% |
| AQR Capital Management | $78,341 | 0.0% |
| AQR Capital Management | $78,341 | 0.0% |
| AQR Capital Management | $78,341 | 0.0% |
Exited
| Marshall Wace | $116,660 | was 0.0% |
| Two Sigma Investments | $65,698 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 194 holders, 98.56M shares, $2.09B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.