ALMS
Alumis Inc. · Healthcare · Biotechnology
Momentum inputs (comparable managers):
holder breadth +25.0% ·
share flow -1.5% ·
net new positions +20.0%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| 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 | Geode Capital Management ✦ (passive) | 315.57K | +3.2% | $2.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 315.57K | +3.2% | $2.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Norges Bank ✦ (passive) | 204.36K | -9.7% | $1.61M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | State Street Global Advisors ✦ (passive) | 152.44K | — | $1.20M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 29.15K | -29.8% | $229,111 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 6 | Marshall Wace ✦ | 13.80K | New | $108,468 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $108,468 | 0.0% |
Exited
| No tracked exits this quarter. |
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.