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Alumis Ownership | Who Owns Alumis?

OverviewRevenueFinancialsChart

Alumis Ownership Summary

Alumis is owned by 74.06% institutional investors, 0.63% insiders, and 25.31% retail investors. Mariner is the largest institutional shareholder, holding 0% of ALMS shares.

ALMS Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockAlumis74.06%0.63%25.31%
SectorHealthcare Stocks 278.45%10.60%-189.04%
IndustryBiotech Stocks 63.84%10.66%25.50%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Mariner---
Nelson, van denburg & campbell wealth management group---
Eversource wealth advisors---
Massmutual trust co fsb/adv---
Gamma investing---
Ally bridge group (ny)---
Tang capital management---
Sphera funds management---

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Mariner---
Nelson, van denburg & campbell wealth management group---
Eversource wealth advisors---
Massmutual trust co fsb/adv---
Gamma investing---
Ally bridge group (ny)---
Tang capital management---
Sphera funds management---

Top Buyers

HolderShares% AssetsChange
Gamma investing---19.00
Massmutual trust co fsb/adv---144.00
Eversource wealth advisors---182.00
Nelson, van denburg & campbell wealth management group---384.00
Mariner---18.12K

Top Sellers

HolderShares% AssetsChange
Tang capital management---600.00K
Ally bridge group (ny)---445.26K
Sphera funds management---125.00K
Mariner---18.12K
Nelson, van denburg & campbell wealth management group---384.00

Sold Out

HolderChange
Gamma investing-19.00
Massmutual trust co fsb/adv-144.00
Eversource wealth advisors-182.00
Nelson, van denburg & campbell wealth management group-384.00
Mariner-18.12K

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
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 Q212-

ALMS Ownership FAQ

Who Owns Alumis?

Alumis shareholders are primarily institutional investors at 74.06%, followed by 0.63% insiders and 25.31% retail investors. The average institutional ownership in Alumis's industry, Biotech Stocks , is 63.84%, which Alumis exceeds.

Who owns the most shares of Alumis?

Alumis’s largest shareholders are Mariner (0 shares, 0%), Nelson, van denburg & campbell wealth management group (0 shares, 0%), and Eversource wealth advisors (0 shares, 0%). Together, they hold 0% 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?

Mariner is Alumis’s biggest shareholder by percentage of total assets invested, with 0% of its assets in 0 Alumis shares, valued at 0$.

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