Latest Period
Q4 2025
Security Snapshot
ALUMIS INC. - Common Stock, $0.0001 par value per share (ALMS) Institutional Ownership
CUSIP: 022307102
13F Institutional Holders and Ownership History from Q2 2024 to Q1 2026
Institutions Reporting
131
Shares (Excl. Options)
78,898,300
Price
$9.76
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- Type / Class
- Equity / Common Stock, $0.0001 par value per share
- Symbol
- ALMS on Nasdaq
- Shares outstanding
- 123,110,953
- Price per share
- $22.03
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 78,898,300
- Total reported value
- $770,051,253
- % of total 13F portfolios
- 0%
- Share change
- +3,568,564
- Value change
- +$72,305,373
- Number of holders
- 131
- Price from insider filings
- $22.03
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- ALMS - ALUMIS INC. - Common Stock, $0.0001 par value per share is tracked under CUSIP 022307102.
- 131 institutions reported positions in Q4 2025.
- 5 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 131 to 40 between Q4 2025 and Q1 2026.
- Reported value moved from $770,051,253 to $117,815,961.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 131 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 022307102?
CUSIP 022307102 identifies ALMS - ALUMIS INC. - Common Stock, $0.0001 par value per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 022307102:
Significant Owners of ALUMIS INC. - Common Stock, $0.0001 par value per share (ALMS) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Foresite Capital Fund VI LP | 13% | -10% | $422,163,758 | -$13,341,970 | 15,693,820 | -3.1% | James B. Tananbaum | 01 Apr 2026 |
| AyurMaya Capital Management Company, LP | 16% | -29% | $65,554,931 | +$19,457,899 | 15,139,707 | +42% | AyurMaya Capital Management Company, LP | 21 May 2025 |
| Deep Track Capital, LP | 6% | $162,185,631 | 7,362,035 | Deep Track Capital, LP | 30 Mar 2026 | |||
| Samsara BioCapital, L.P. | 5.4% | +2% | $61,929,972 | +$11,811,946 | 6,345,219 | +24% | Srinivas Akkaraju | 09 Jan 2026 |
| venBio Global Strategic Fund IV, L.P. | 4.8% | $21,297,292 | 4,619,803 | venBio Global Strategic Fund IV, L.P. | 30 Jun 2025 |
As of 31 Dec 2025, 131 institutional investors reported holding 78,898,300 shares of ALUMIS INC. - Common Stock, $0.0001 par value per share (ALMS). This represents 64% of the company’s total 123,110,953 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of ALUMIS INC. - Common Stock, $0.0001 par value per share (ALMS) together control 58% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| AyurMaya Capital Management Company, LP | 12% | 15,139,706 | 0% | 100% | $147,763,531 |
| Foresite Capital Management V, LLC | 4.7% | 5,779,348 | 0% | 34% | $56,406,436 |
| SAMSARA BIOCAPITAL, LLC | 4.7% | 5,756,984 | +20% | 5.8% | $56,188,164 |
| venBio Partners LLC | 3.8% | 4,619,803 | 0% | 21% | $45,089,277 |
| BlackRock, Inc. | 3.7% | 4,566,502 | +8.9% | 0% | $44,569,059 |
| Foresite Capital Management VI LLC | 3.5% | 4,247,670 | 0% | 13% | $41,457,259 |
| VANGUARD GROUP INC | 3.3% | 4,103,290 | +1.8% | 0% | $40,048,110 |
| Cormorant Asset Management, LP | 3% | 3,635,596 | +69% | 2% | $35,483,417 |
| Saturn V Capital Management LP | 2.5% | 3,135,953 | 5.6% | $30,606,901 | |
| Nextech Invest, Ltd. | 2.4% | 2,915,998 | 0% | 2.8% | $28,460,140 |
| Octagon Capital Advisors LP | 2.1% | 2,530,700 | 3.1% | $24,699,632 | |
| MPM BIOIMPACT LLC | 2% | 2,401,992 | 2.7% | $23,443,442 | |
| SR One Capital Management, LP | 1.6% | 1,959,896 | 0% | 2.7% | $19,128,585 |
| BAKER BROS. ADVISORS LP | 1.3% | 1,562,500 | 0% | 0.09% | $15,250,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2% | 1,487,626 | +6.8% | 0% | $14,522,800 |
| STATE STREET CORP | 1% | 1,259,446 | +14% | 0% | $12,292,193 |
| MILLENNIUM MANAGEMENT LLC | 0.94% | 1,151,118 | +263% | 0.01% | $11,234,912 |
| ORBIMED ADVISORS LLC | 0.9% | 1,102,730 | -43% | 0.23% | $10,762,645 |
| Trium Capital LLP | 0.73% | 893,107 | -71% | 6.8% | $8,716,724 |
| Yu Fan | 0.64% | 789,618 | 0% | 8.4% | $7,706,672 |
| Omega Fund Management, LLC | 0.53% | 653,223 | 0% | 2.2% | $6,375,456 |
| Opaleye Management Inc. | 0.43% | 535,000 | -20% | 0.69% | $5,221,600 |
| MORGAN STANLEY | 0.41% | 506,529 | +52% | 0% | $4,943,723 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.41% | 504,075 | +2.7% | 0% | $4,919,772 |
| Siren, L.L.C. | 0.41% | 500,000 | 0.15% | $4,880,000 |
Institutional Holders of ALUMIS INC. - Common Stock, $0.0001 par value per share (ALMS) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 5,347,811 | $117,815,961 | +$73,402,416 | $22.03 | 40 |
| 2025 Q4 | 78,898,300 | $770,051,253 | +$72,305,373 | $9.76 | 131 |
| 2025 Q3 | 77,994,182 | $311,197,950 | -$66,383 | $3.99 | 129 |
| 2025 Q2 | 78,328,492 | $234,986,451 | +$114,158,793 | $3.00 | 112 |
| 2025 Q1 | 40,203,252 | $246,848,226 | -$2,907,402 | $6.14 | 72 |
| 2024 Q4 | 40,261,542 | $316,456,858 | +$6,196,390 | $7.86 | 64 |
| 2024 Q3 | 35,212,710 | $376,073,647 | +$60,319,979 | $10.68 | 52 |
| 2024 Q2 | 28,575,030 | $380,047,605 | +$380,047,605 | $13.30 | 29 |