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Alumis Ownership | Who Owns Alumis?

OverviewForecastRevenueFinancialsChart

Alumis Ownership Summary

Alumis is owned by 102.40% institutional investors, 0.83% insiders. Foresite capital management v is the largest institutional shareholder, holding 7.56% of ALMS shares.

ALMS Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockAlumis102.40%0.83%-3.22%
SectorHealthcare Stocks 486.50%11.08%-397.59%
IndustryBiotech Stocks 304.14%11.08%-215.23%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Foresite capital management v5.78M7.56%$17.34M
Samsara biocapital4.80M6.28%$14.40M
Venbio partners4.62M6.04%$13.86M
Foresite capital management vi4.25M5.55%$12.74M
Blackrock funding, inc. /de4.18M5.46%$12.53M
Trium capital llp2.65M3.46%$7.94M
Cormorant asset management, lp2.15M2.81%$6.44M
Tang capital management2.00M2.61%$5.99M
Orbimed advisors1.93M2.52%$5.78M
Baker bros. advisors lp1.56M2.04%$4.69M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Foresite capital management v5.78M21.48%$17.34M
Tybourne capital management (hk)1.40M12.15%$4.20M
Venbio partners4.62M12.08%$13.86M
Foresite capital management vi4.25M7.16%$12.74M
Samsara biocapital4.80M2.95%$14.40M
Bml capital management1.21M2.75%$3.63M
Trium capital llp2.65M1.98%$7.94M
Omega fund management653.22K1.27%$1.96M
Stonepine capital management349.62K1.03%$1.05M
Cormorant asset management, lp2.15M0.48%$6.44M

Top Buyers

HolderShares% AssetsChange
Blackrock funding, inc. /de4.18M0.00%2.72M
Trium capital llp2.65M1.98%2.65M
Tang capital management2.00M0.30%2.00M
Orbimed advisors1.93M0.14%1.93M
Venbio partners4.62M12.08%1.83M

Top Sellers

HolderShares% AssetsChange
Ally bridge group (ny)---445.26K
Sphera funds management---125.00K
Squarepoint ops---24.15K
Marshall wace, llp---19.00K
Xtx topco---18.37K

New Positions

HolderShares% AssetsChangeValue
Trium capital llp2.65M1.98%2.65M$7.94M
Orbimed advisors1.93M0.14%1.93M$5.78M
Tybourne capital management (hk)1.40M12.15%1.40M$4.20M
General atlantic1.30M0.11%1.30M$3.89M
Cantor fitzgerald, l. p.559.20K0.03%559.20K$1.68M

Sold Out

HolderChange
True wealth design-4.00
Gamma investing-19.00
Rothschild investment-25.00
Comerica bank-104.00
Massmutual trust co fsb/adv-144.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 202512168.06%78,309,34994.78%1021.87%102104.00%2-50.00%
Mar 31, 20257114.52%40,200,8450.23%741.33%4925.64%4-33.33%
Dec 31, 20246323.53%40,259,04215.07%741.77%40-650.00%
Sep 30, 20245175.86%34,986,40222.44%652.36%4037.93%4-
Jun 30, 202429-28,575,030-52-29---

Recent Insider Transactions

DateNameRoleActivityValue
May 02, 2025Tananbaum James B. Buy$115.50K
May 06, 2025Tananbaum James B. Buy$86.80K
May 02, 2025Foresite Labs, LLC-Buy$115.50K
May 06, 2025Foresite Labs, LLC-Buy$86.80K
May 06, 2025Foresite Capital Management VI LLC-Buy$86.80K

Insider Transactions Trends

DateBuySell
2025 Q3--
2025 Q212-

ALMS Ownership FAQ

Who Owns Alumis?

Alumis shareholders are primarily institutional investors at 102.40%, followed by 0.83% insiders and -3.23% retail investors. The average institutional ownership in Alumis's industry, Biotech Stocks , is 304.14%, which Alumis falls below.

Who owns the most shares of Alumis?

Alumis’s largest shareholders are Foresite capital management v (5.78M shares, 7.56%), Samsara biocapital (4.8M shares, 6.28%), and Venbio partners (4.62M shares, 6.04%). Together, they hold 19.88% of Alumis’s total shares outstanding.

Does Blackrock own Alumis?

BlackRock is not among the top 10 institutional shareholders of Alumis.

Who is Alumis’s biggest shareholder by percentage of total assets invested?

Foresite capital management v is Alumis’s biggest shareholder by percentage of total assets invested, with 21.48% of its assets in 5.78M Alumis shares, valued at 17.34M$.

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