Alumis Inc.
ALMS • XNAS
Alumis Inc. is a pharmaceutical preparations company on XNAS, with a market cap of $1.2B. As of Q3 2025, 75% of shares are held by 129 institutional investors, with AyurMaya Capital Management Company, LP as the largest holder at 14.55%.
Overview
Overview of institutional ownership in ALMS as of Q3 2025 with a market cap of $415.2M
All Institutions
- Institutions
- 129
- Value Held
- $311.2M
- Shares Held
- 78.0M
- Avg Position
- $2.4M
- Median Position
- $130.7K
Hedge Funds
- Hedge Funds
- 23
- Value Held
- $53.7M
- Shares Held
- 13.5M
- Avg Position
- $2.3M
- Median Position
- $604.8K
Ownership Breakdown
Based on market cap of $415.2M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in ALMS as of Q3 2025
| Institution | Position Value |
|---|---|
A AyurMaya Capital Management Company, LP RIA/Wealth | $60.4M 100.00% of portfolio |
 Foresite Capital Management V, LLC Venture Capital | $23.1M 21.21% of portfolio |
 Samsara BioCapital, LLC Venture Capital | $19.2M 2.50% of portfolio |
V venBio Partners LLC Institution | $18.4M 10.45% of portfolio |
Foresite Capital Management VI LLC Venture Capital | $16.9M 6.55% of portfolio |
B BlackRock, Inc. Institution | $16.7M 0.00% of portfolio |
 VANGUARD GROUP INC Institution | $16.1M 0.00% of portfolio |
 Trium Capital LLP Hedge Fund•Multi-Strategy | $12.5M 4.89% of portfolio |
N Nextech Invest, Ltd. Institution | $11.6M 1.77% of portfolio |
C Cormorant Asset Management, LLC Hedge Fund•Long/Short | $8.6M 0.67% of portfolio |
Net Capital Flow
Institutional buying and selling activity for ALMS in Q3 2025
- Traded
- −$45.2K
- Buyers
- 69
- Sellers
- 46
- Total Bought
- +$21.9M
- Total Sold
- −$22.0M
- Avg Position
- $2.2M
Biggest Buyers
| Institution | Net Bought |
|---|---|
 Woodline Partners LP Hedge Fund•Long/Short | +$6.2M +1.6M shares |
VANGUARD GROUP INC Institution | +$2.5M +625.4K shares |
Trium Capital LLP Hedge Fund•Multi-Strategy | +$1.9M +474.1K shares |
 Exome Asset Management LLC Hedge Fund•Sector | +$1.2M +292.8K shares |
 GOLDMAN SACHS GROUP INC Institution | +$1.1M +285.0K shares |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$926.4K +232.2K shares |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | +$899.7K +225.5K shares |
 BANK OF AMERICA CORP /DE/ Institution | +$886.7K +222.2K shares |
 WELLINGTON MANAGEMENT CO LLP Long Only Manager | +$660.4K +165.5K shares |
 Susquehanna Portfolio Strategies, LLC Private Equity | +$633.4K +158.8K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
 Madison Avenue Partners, LP Hedge Fund•Value | −$5.7M −1.4M shares |
T TANG CAPITAL MANAGEMENT LLC Institution | −$3.3M −829.8K shares |
V Velan Capital Investment Management LP Institution | −$2.7M −674.2K shares |
 UBS Group AG Institution | −$1.8M −444.9K shares |
C CANTOR FITZGERALD, L. P. Institution | −$1.7M −559.2K shares |
 BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy | −$1.1M −351.1K shares |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | −$983.2K −246.4K shares |
 MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | −$734.4K −184.1K shares |
C CREDIT INDUSTRIEL ET COMMERCIAL Institution | −$558.6K −140.0K shares |
O Opaleye Management Inc. Hedge Fund•Long/Short | −$438.9K −110.0K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited ALMS in Q3 2025
- New Positions
- 24
- New Value
- $3.9M
- Exited Positions
- 15
- Exited Value
- $3.9M
New Positions
| Institution | Position Value |
|---|---|
Exome Asset Management LLC Hedge Fund•Sector | $1.2M 292.8K shares |
WELLINGTON MANAGEMENT CO LLP Long Only Manager | $660.4K 165.5K shares |
Susquehanna Portfolio Strategies, LLC Private Equity | $633.4K 158.8K shares |
 Quantinno Capital Management LP Hedge Fund•Market Neutral | $349.6K 87.6K shares |
 Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy | $309.4K 77.6K shares |
 JACOBS LEVY EQUITY MANAGEMENT, INC Hedge Fund•Quant | $160.2K 40.2K shares |
 TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy | $133.6K 33.5K shares |
 Atom Investors LP Hedge Fund•Market Neutral | $96.5K 24.2K shares |
P PharVision Advisers, LLC Hedge Fund•Long/Short | $82.6K 20.7K shares |
I Inscription Capital, LLC RIA/Wealth | $81.5K 20.4K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
C CANTOR FITZGERALD, L. P. Institution | $1.7M 559.2K shares |
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy | $1.1M 351.1K shares |
P Palo Alto Investors, LLC Hedge Fund•Long/Short | $430.3K 143.4K shares |
 FRANKLIN RESOURCES INC Institution | $209.3K 69.8K shares |
 Engineers Gate Manager LP Hedge Fund•Quant | $137.1K 45.7K shares |
S SEI INVESTMENTS CO Institution | $93.9K 31.3K shares |
 CARLSON CAPITAL L P Hedge Fund•Multi-Strategy | $90.0K 30.0K shares |
H HRT FINANCIAL LLC Institution | $75.3K 25.1K shares |
Y Yakira Capital Management, Inc. Hedge Fund•Event Driven | $70.1K 23.4K shares |
 ING INVESTMENT MANAGEMENT LLC Insurance Manager | $43.1K 14.4K shares |
Options Activity
Institutions with the largest Call and Put options positions in ALMS as of Q3 2025
- Call Positions
- 3
- Call Value
- $105.7K
- Put Positions
- 5
- Put Value
- $7.6M
Call Positions
| Institution | Position Value |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $63.4K 159.0 contracts |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $42.3K 106.0 contracts |
J JANE STREET GROUP, LLC Institution | - - contracts |
Put Positions
| Institution | Position Value |
|---|---|
J JANE STREET GROUP, LLC Institution | $3.5M 8.7K contracts |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $2.7M 6.7K contracts |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $771.1K 1.9K contracts |
S SIG BROKERAGE, LP Institution | $725.8K 1.8K contracts |
C CSS LLC/IL Institution | - - contracts |
Most Committed Institutions
Institutions with ALMS as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
A AyurMaya Capital Management Company, LP RIA/Wealth | 100.00% $60.4M |
Foresite Capital Management V, LLC Venture Capital | 21.21% $23.1M |
T TYBOURNE CAPITAL MANAGEMENT HK LTD Institution | 18.05% $5.6M |
V venBio Partners LLC Institution | 10.45% $18.4M |
Foresite Capital Management VI LLC Venture Capital | 6.55% $16.9M |
Trium Capital LLP Hedge Fund•Multi-Strategy | 4.89% $12.5M |
B BML Capital Management, LLC Institution | 4.37% $4.8M |
Y Yu Fan Institution | 4.10% $3.2M |
V Velan Capital Investment Management LP Institution | 3.55% $3.8M |
Samsara BioCapital, LLC Venture Capital | 2.50% $19.2M |
Hedge Fund Spotlight
Discover hedge funds investing in ALMS
RENAISSANCE TECHNOLOGIES LLC
Hedge Fund • Quant
Portfolio ManagerPeter Fitzhugh Brown
- Portfolio Value
- $75.8B
- Positions
- 3,419
- Last Reported
- Q3 2025
Sector Allocation
Position in Alumis Inc.
- Market Value
- $604.8K
- Shares Held
- 151.6K
- Portfolio Weight
- 0.00%
- Owned Since
- 2025-Q2
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Software - Infrastructure Technology | $1.6B | 2.06% | |
Semiconductors Technology | $1.1B | 1.39% | |
Electronic Gaming & Multimedia Technology | $953.5M | 1.26% |
