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Alumis (ALMS) Institutional Ownership

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$7.90 +0.13 (+1.67%)
Closing price 09/21/2026 04:00 PM Eastern
Extended Trading
$7.94 +0.03 (+0.44%)
As of 07:39 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Alumis (NASDAQ:ALMS)

Number of
Institutional Buyers
(last 12 months)
90
Total
Institutional Inflows
(last 12 months)
$697.29M
Number of
Institutional Sellers
(last 12 months)
24
Total
Institutional Outflows
(last 12 months)
$67.27M
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Skip Chart & View Institutional Buying and Selling Data

ALMS Institutional Buying and Selling by Quarter

Alumis Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026 Integrated Wealth Concepts LLC1,189$33K0.0%N/A0.001%
9/9/2026 Squarepoint Ops LLC47,590$1.34M0.0%-58.3%0.037%
8/27/2026 Corient Private Wealth LP35,144$989K0.0%+88.1%0.027%
8/25/2026 VIRGINIA RETIREMENT SYSTEMS ET Al15,000$422K0.0%N/A0.012%
8/20/2026 Moore Capital Management LP136,803$3.85M0.1%+230.7%0.107%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC112,129$3.16M0.0%+36.6%0.088%
8/19/2026 Wellington Management Group LLP179,802$5.06M0.0%-24.8%0.141%
8/18/2026 venBio Partners LLC4,528,408$127.43M0.0%N/A3.552%
8/17/2026 Capstone Investment Advisors LLC8,421$237K0.0%N/A0.007%
8/17/2026 Corient Private Wealth LP35,435$997K0.0%N/A0.028%
8/17/2026 Artia Global Partners LP278,546$7.84M1.4%N/A0.218%
8/17/2026 Bank of America Corp DE207,789$5.85M0.0%N/A0.163%
8/15/2026 Jupiter Topco LLC2,355,122$66.24M0.0%N/A1.847%
8/15/2026 Elmind Capital LP130,000$3.66M0.0%N/A0.102%
8/15/2026 J. Goldman & Co LP25,846$727K0.0%N/A0.020%
8/14/2026 Legal & General Group Plc54,930$1.55M0.0%N/A0.043%
8/14/2026 The Manufacturers Life Insurance Company100,215$2.82M0.0%N/A0.079%
8/14/2026 Spruce Street Capital LP392,574$11.05M0.0%N/A0.308%
8/14/2026 Algert Global LLC57,770$1.63M0.0%-63.4%0.045%
8/7/2026 BlackRock Inc.8,218,151$231.26M0.0%N/A6.446%
8/7/2026 Deutsche Bank AG84,113$2.37M0.0%N/A0.066%
8/6/2026 Bank of New York Mellon Corp226,618$6.38M0.0%N/A0.178%
8/6/2026 State of Wyoming6,712$189K0.0%N/A0.005%
7/10/2026 Handelsbanken Fonder AB36,400$1.02M0.0%N/A0.029%
5/19/2026 Bank of America Corp DE127,812$2.82M0.0%-7.6%0.100%
5/19/2026 Stempoint Capital LP229,566$5.06M1.0%N/A0.180%
5/19/2026Janus Henderson Group PLC2,124,408$46.79M0.0%N/A1.670%
5/19/2026 Ally Bridge Group NY LLC166,959$3.68M3.0%N/A0.131%
5/18/2026 Yu Fan776,845$17.11M17.6%-1.6%0.611%
5/18/2026 EverSource Wealth Advisors LLC3,131$69K0.0%+600.4%0.002%
5/18/2026 California State Teachers Retirement System80,845$1.78M0.0%+2,222.5%0.064%
5/18/2026 Elmind Capital LP130,000$2.86M0.8%N/A0.102%
5/16/2026 The Manufacturers Life Insurance Company154,634$3.41M0.0%+775.6%0.122%
5/16/2026 venBio Partners LLC4,528,408$99.76M35.6%-2.0%3.560%
5/16/2026 Quantinno Capital Management LP127,095$2.80M0.0%-6.2%0.100%
5/16/2026 Orbimed Advisors LLC548,163$12.08M0.2%-50.3%0.431%
5/15/2026 Octagon Capital Advisors LP2,830,700$62.36M6.9%+11.9%2.225%
5/15/2026 Weiss Asset Management LP1,097,417$24.18M0.4%N/A0.863%
5/15/2026 Spruce Street Capital LP392,574$8.65M2.1%N/A0.309%
5/14/2026 Renaissance Technologies LLC75,167$1.66M0.0%-30.5%0.059%
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5/14/2026 Sei Investments Co.9,318$205K0.0%N/A0.007%
5/14/2026 Walleye Capital LLC31,778$700K0.0%N/A0.025%
5/14/2026 State of Wyoming2,590$57K0.0%N/A0.002%
5/13/2026 First Trust Advisors LP66,099$1.46M0.0%N/A0.052%
5/7/2026 Dimensional Fund Advisors LP23,115$509K0.0%+12.7%0.018%
5/7/2026 KBC Group NV1,929$42K0.0%N/A0.002%
5/7/2026 Swiss National Bank127,800$2.82M0.0%N/A0.100%
5/6/2026 Assetmark Inc.4,188$92K0.0%N/A0.003%
5/6/2026 Towerview LLC222,294$4.90M3.2%-55.1%0.175%
5/5/2026 Bank of New York Mellon Corp206,729$4.55M0.0%+29.1%0.163%
5/4/2026 Principal Financial Group Inc.1,058,051$23.31M0.0%N/A0.832%
4/25/2026 Strs Ohio2,000$44K0.0%+300.0%0.002%
4/22/2026 Pictet Asset Management Holding SA10,491$231K0.0%N/A0.008%
4/22/2026 Sterling Capital Management LLC2,271$50K0.0%-30.2%0.002%
4/21/2026 SmartHarvest Portfolios LLC9,607$212K0.1%N/A0.008%
4/16/2026 SG Americas Securities LLC8,626$190K0.0%N/A0.007%
2/23/2026 Virtu Financial LLC50,283$491K0.0%N/A0.048%
2/19/2026 Invesco Ltd.421,819$4.12M0.0%+225.6%0.404%
2/18/2026 Mercer Global Advisors Inc. ADV14,908$146K0.0%N/A0.014%
2/18/2026 Virtus Investment Advisers LLC23,153$226K0.1%N/A0.022%
2/18/2026 Wellington Management Group LLP169,093$1.65M0.0%+2.2%0.162%
2/18/2026 Susquehanna Portfolio Strategies LLC172,779$1.69M0.0%+8.8%0.166%
2/18/2026 Orbimed Advisors LLC1,102,730$10.76M0.2%-42.8%1.056%
2/18/2026 Opaleye Management Inc.535,000$5.22M0.7%-19.5%0.513%
2/18/2026 Millennium Management LLC1,151,118$11.24M0.0%+263.1%1.103%
2/18/2026 Cormorant Asset Management LP3,635,596$35.48M1.6%+69.3%3.483%
2/18/2026 Balyasny Asset Management L.P.24,769$242K0.0%N/A0.024%
2/18/2026 Bridgeway Capital Management LLC56,728$554K0.0%-23.1%0.054%
2/17/2026 Samsara Biocapital LLC5,756,984$56.19M5.8%+19.9%5.515%
2/17/2026 Schonfeld Strategic Advisors LLC23,028$225K0.0%N/A0.022%
2/17/2026 PDT Partners LLC14,562$142K0.0%N/A0.014%
2/17/2026 AQR Capital Management LLC137,792$1.35M0.0%-2.2%0.132%
2/17/2026 MPM Bioimpact LLC2,401,992$23.44M2.7%N/A2.301%
2/17/2026 Price T Rowe Associates Inc. MD50,422$493K0.0%+78.3%0.048%
2/17/2026 Russell Investments Group Ltd.15,029$147K0.0%+134.1%0.014%
2/17/2026 ExodusPoint Capital Management LP11,197$109K0.0%-93.3%0.011%
2/16/2026 Verition Fund Management LLC80,062$781K0.0%N/A0.077%
2/16/2026 Mariner LLC145,045$1.42M0.0%+70.9%0.139%
2/13/2026 Marshall Wace LLP372,901$3.64M0.0%N/A0.357%
2/13/2026 Bank of Nova Scotia20,900$204K0.0%N/A0.020%
2/13/2026 Siren L.L.C.500,000$4.88M0.1%N/A0.479%
2/13/2026 Charles Schwab Investment Management Inc.504,075$4.92M0.0%+2.7%0.483%
2/13/2026 State Street Corp1,259,446$12.29M0.0%+14.3%1.206%
2/13/2026 Ieq Capital LLC17,421$170K0.0%+4.1%0.017%
2/13/2026 Dynamic Technology Lab Private Ltd26,567$259K0.1%N/A0.025%
2/13/2026 Wells Fargo & Company MN129,448$1.26M0.0%+45.0%0.124%
2/12/2026 Renaissance Technologies LLC108,200$1.06M0.0%-28.6%0.104%
2/12/2026 Banco BTG Pactual S.A.14,302$140K0.0%N/A0.014%
2/12/2026 Nuveen LLC169,506$1.65M0.0%+68.3%0.162%
2/11/2026 Deutsche Bank AG41,112$401K0.0%+66.2%0.039%
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2/11/2026 Fox Run Management L.L.C.37,707$368K0.1%N/A0.036%
2/11/2026 JPMorgan Chase & Co.356,337$3.48M0.0%+32.6%0.341%
2/11/2026 Los Angeles Capital Management LLC163,084$1.59M0.0%+32.9%0.156%
2/10/2026 Goldman Sachs Group Inc.427,072$4.17M0.0%+2.4%0.409%
2/10/2026 AXQ Capital LP26,417$258K0.1%+35.8%0.025%
2/10/2026 Intech Investment Management LLC29,303$286K0.0%+24.5%0.028%
2/9/2026 Geode Capital Management LLC1,487,626$14.52M0.0%+6.8%1.425%
2/6/2026 PSP Research LLC43,769$427K0.4%N/A0.042%
2/6/2026 ProShare Advisors LLC14,627$143K0.0%+12.4%0.014%
2/3/2026 Grange Capital LLC32,000$312K0.3%N/A0.031%


ALMS Institutional Ownership - Frequently Asked Questions

During the previous two years, 135 institutional investors and hedge funds held shares of Alumis. The most heavily invested institutionals were BlackRock Inc. ($231.26M), venBio Partners LLC ($127.43M), Jupiter Topco LLC ($66.24M), Octagon Capital Advisors LP ($62.36M), Samsara Biocapital LLC ($56.19M), Janus Henderson Group PLC ($46.79M), and Foresite Capital Management V LLC ($45.43M).Learn more on Alumis' institutional investors.

Of the 124 institutional investors that purchased Alumis' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($8.22M), Samsara Biocapital LLC ($5.76M), venBio Partners LLC ($4.53M), Foresite Capital Management VI LLC ($4.25M), MPM Bioimpact LLC ($2.40M), Jupiter Topco LLC ($2.36M), and Janus Henderson Group PLC ($2.12M).

Institutional investors have bought a total of 34,045,521 shares in the last 24 months. This purchase volume represents approximately $697.29M in transactions.

Of the 24 institutional investors that sold Alumis' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Trium Capital LLP ($2.23M), Orbimed Advisors LLC ($1.38M), Velan Capital Investment Management LP ($674.16K), UBS Group AG ($444.88K), Towerview LLC ($272.71K), Millennium Management LLC ($184.06K), and ExodusPoint Capital Management LP ($155.57K).

Institutional investors have sold a total of 6,120,866 shares in the last 24 months. This volume of shares sold represents approximately $67.27M in transactions.


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Institutional ownership data for NASDAQ:ALMS is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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