ALMS
Alumis Inc. · Healthcare · Biotechnology
Momentum inputs (comparable managers):
holder breadth +3.6% ·
share flow +12.7% ·
net new positions +3.4%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 75 | 0 | 42.52M | $1.19B | +6 | −6 |
| Q1 2026 | 78 | +19 | 38.58M | $847.29M | +25 | −6 |
| Q4 2025 | 58 | +2 | 18.95M | $184.97M | +2 | n/a |
| Q3 2025 | 15 | +2 | 13.24M | $52.83M | +2 | n/a |
| 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 | n/a |
| Q3 2024 | 3 | -1 | 573.51K | $6.13M | +1 | −2 |
| Q2 2024 | 4 | n/a | 543.74K | $7.23M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 4.57M | +8.9% | $44.57M | 0.0% | ▲ Add | 3 | SEC ↗ ×8 |
| 2 | The Vanguard Group ✦ (passive) | 4.10M | +1.8% | $40.05M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 3 | Geode Capital Management ✦ (passive) | 1.49M | +6.8% | $14.52M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 4 | State Street Global Advisors ✦ (passive) | 1.26M | +14.3% | $12.29M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | Millennium Management ✦ | 1.15M | +263.1% | $11.23M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | Morgan Stanley ✦ | 506.53K | +52.4% | $4.94M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 7 | Charles Schwab Investment… | 504.07K | n/a | $4.92M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Goldman Sachs Group ✦ | 427.07K | +2.4% | $4.17M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 9 | Invesco Ltd. | 421.82K | n/a | $4.12M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 10 | Northern Trust Corp | 418.25K | n/a | $4.08M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 11 | Marshall Wace ✦ | 372.90K | New | $3.64M | 0.0% | New | 1 | SEC ↗ ×2 |
| 12 | JPMorgan Chase ✦ | 356.34K | -33.7% | $3.48M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 13 | Two Sigma Investments ✦ | 298.22K | +246.4% | $2.91M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | D. E. Shaw & Co. ✦ | 231.75K | New | $2.26M | 0.0% | New | 1 | SEC ↗ |
| 15 | Stifel Financial Corp | 209.73K | n/a | $2.05M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Susquehanna International Group, Llp | 208.13K | n/a | $2.03M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | Jane Street Group, Llc | 173.83K | n/a | $1.70M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 18 | Nuveen, LLC | 169.51K | n/a | $1.65M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 19 | Wellington Management ✦ | 169.09K | +2.2% | $1.65M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 20 | Bank of New York Mellon Corp | 160.14K | n/a | $1.56M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 21 | Mariner, LLC | 145.04K | n/a | $1.42M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | Bank Of America Corp /De/ | 138.34K | n/a | $1.35M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 23 | AQR Capital Management ✦ | 137.79K | -2.2% | $1.34M | 0.0% | ▼ Trim | 3 | SEC ↗ ×6 |
| 24 | Quantinno Capital Management LP | 135.45K | n/a | $1.32M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Wells Fargo & Company/Mn | 129.45K | n/a | $1.26M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 26 | Barclays Plc | 122.21K | n/a | $1.19M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Citadel Advisors ✦ | 119.31K | -64.8% | $1.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 28 | UBS Group AG | 114.00K | n/a | $1.11M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 29 | Renaissance Technologies ✦ | 108.20K | -28.6% | $1.06M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 30 | Alliancebernstein L.P. | 76.59K | n/a | $747,557 | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Rhumbline Advisers | 69.24K | n/a | $675,737 | 0.0% | n/c | 1 | SEC ↗ |
| 32 | T. Rowe Price ✦ | 50.42K | +78.3% | $493,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 33 | Bnp Paribas Financial Markets | 46.88K | n/a | $457,588 | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Deutsche Bank Ag\ | 41.11K | n/a | $401,253 | 0.0% | n/c | 1 | SEC ↗ |
| 35 | LMR Partners LLP | 40.00K | n/a | $390,400 | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Creative Planning | 38.11K | n/a | $371,954 | 0.0% | n/c | 1 | SEC ↗ |
| 37 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 26.24K | n/a | $256,102 | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Balyasny Asset Management L.P. | 24.77K | n/a | $241,745 | 0.0% | n/c | 1 | SEC ↗ |
| 39 | Fidelity (FMR) ✦ | 23.99K | +246.1% | $234,113 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Bank Of Nova Scotia | 20.90K | n/a | $203,984 | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Dimensional Fund Advisors Lp | 20.52K | n/a | $200,236 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 42 | Manufacturers Life Insurance… | 17.66K | n/a | $172,371 | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Russell Investments Group, Ltd. | 15.03K | n/a | $146,682 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 44 | Mercer Global Advisors Inc /Adv | 14.91K | n/a | $145,502 | 0.0% | n/c | 1 | SEC ↗ |
| 45 | ProShare Advisors LLC | 14.63K | n/a | $142,760 | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Citigroup Inc | 14.07K | n/a | $137,323 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 47 | New York State Common Retirement… | 11.77K | n/a | $114,846 | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Cwm, Llc | 10.43K | n/a | $102,000 | 0.0% | n/c | 1 | SEC ↗ |
| 49 | American Century Companies Inc | 10.32K | n/a | $100,743 | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Legal & General Group Plc | 4.95K | n/a | $48,351 | 0.0% | n/c | 1 | SEC ↗ |
| 51 | Mirae Asset Global Investments Co.… | 4.72K | n/a | $46,106 | 0.0% | n/c | 1 | SEC ↗ |
| 52 | California State Teachers… | 3.48K | n/a | $33,975 | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Royal Bank Of Canada | 2.20K | n/a | $21,000 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 54 | Group One Trading Llc | 1.41K | n/a | $13,713 | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Us Bancorp \De\ | 581 | n/a | $5,671 | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Pnc Financial Services Group, Inc. | 388 | n/a | $3,787 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 57 | Daiwa Securities Group Inc. | 347 | n/a | $3,000 | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Optiver Holding B.V. | 306 | n/a | $2,987 | 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
| Marshall Wace | $3.64M | 0.0% |
| D. E. Shaw & Co. | $2.26M | 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.
Open-market purchases (P)
Director · 273.29K sh @ 10.63 · $2.90M
Director · 273.29K sh @ 10.63 · $2.90M
Director · 220.07K sh @ 11.17 · $2.46M
Director · 220.07K sh @ 11.17 · $2.46M
Open-market sales (S)
Director · 48.07K sh · $507,019
Director · 48.06K sh · $507,009
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
3.5% of class · View original SEC filing ↗
12.3% of class · View original SEC filing ↗