Alumis ALMS Institutional Ownership

NASDAQ ALMS

$6.82 +0.01 (+0.15%)

At close: Oct 22, 2026 · 4:00 PM EDT

Institutions by Trading Activity

198 Institutions

Increased 105 53.0%

Unchanged 32 16.2%

Reduced 61 30.8%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

92.50%

Shares Held by Institutions

118.12Mn

of 127.70Mn outstanding

▲+2.94% QoQ

Shares Outstanding

127.70Mn

9.57Mn held outside 13F filers

Institutional Investors

198

filed 13F for Jun 2026

▲+1 vs prior quarter

Net Shares Added (QoQ)

+3.38Mn

accumulated since last quarter

Value of Holdings

$804.43Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Alumis Inc. (NASDAQ:ALMS) appeared in the 13F filings of 198 institutional investors for the quarter ended June 30, 2026.

These investors held 92.50% of Alumis' outstanding shares at the end of Q2 2026.
Total shares held in ALMS rose 2.94% from Q1 2026; the number of holders rose 80.00% from Q2 2025.
Among the 198 holders of Alumis, 105 added to their positions, 61 reduced their stakes and 32 left their positions unchanged.
In total, institutional investors held 118.12Mn shares of Alumis at the end of Q2 2026, up 3.38Mn from the prior quarter and up 40.24Mn from a year earlier.
As of June 30, 2026, AyurMaya Capital Management Company, LP held the largest stake in Alumis with 15.14Mn shares, or 11.86% of shares outstanding.
Among holders that already owned Alumis, the biggest buyers in Q2 2026 were FMR LLC (+5.8Mn shares), T. Rowe Price Associates Inc (+1.91Mn shares), BlackRock, Inc. (+1.05Mn shares), D. E. Shaw & Co., Inc. (+396.11K shares) and State Street Corp (+385.45K shares).
Holders that trimmed the most shares of Alumis in Q2 2026 while keeping a position were UBS Group AG (-2.1Mn shares), Marshall Wace, LLP (-804.74K shares), Weiss Asset Management LP (-786.05K shares), Cormorant Asset Management, LP (-663.64K shares) and Yu Fan (-524.17K shares).
Per Business Quant data, the 10 largest holders of Alumis at the end of Q2 2026 were AyurMaya Capital Management Company, LP (15.14Mn shares), BlackRock, Inc. (8.22Mn shares), FMR LLC (6.77Mn shares), Deep Track Capital, LP (6.35Mn shares), Samsara BioCapital, LLC (6.35Mn shares), Foresite Capital Management V, LLC (5.9Mn shares), T. Rowe Price Associates Inc (5.2Mn shares), venBio Partners LLC (4.53Mn shares), Foresite Capital Management VI LLC (4.25Mn shares) and Vanguard Capital Management LLC (4.22Mn shares).

Form 13F Holdings

198 Institutional Holders

Report period 30 Jun, 2026

Total shares held 118.12Mn

Of outstanding 92.50%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	AyurMaya Capital Management Company, LP	0001975990	15,139,707	11.86%	0	0.00%	$426.03Mn
2	BlackRock, Inc.	0002012383	8,218,151	6.44%	▲1,047,283	+14.60%	$231.26Mn
3	FMR LLC	0000315066	6,769,170	5.30%	▲5,795,388	+595.14%	$190.48Mn
4	Deep Track Capital, LP	0001856083	6,348,558	4.97%	▼424,037	-6.26%	$178.65Mn
5	Samsara BioCapital, LLC	0001744967	6,345,219	4.97%	0	0.00%	$178.55Mn
6	Foresite Capital Management V, LLC	0001792206	5,896,995	4.62%	0	0.00%	$165.94Mn
7	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	5,199,838	4.07%	▲1,913,085	+58.21%	$146.33K
8	venBio Partners LLC	0001776382	4,528,408	3.55%	0	0.00%	$127.43Mn
9	Foresite Capital Management VI LLC	0002013341	4,247,670	3.33%	0	0.00%	$119.53Mn
10	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	4,215,703	3.30%	▲183,437	+4.55%	$118.63Mn
11	Nextech Invest Ltd.	0001595430	3,540,998	2.77%	0	0.00%	$99.64Mn
12	Cormorant Asset Management, LP	0001583977	3,285,596	2.57%	▼663,645	-16.80%	$92.46Mn
13	Saturn V Capital Management LP	0001964437	2,915,443	2.28%	▼286,632	-8.95%	$82.04Mn
14	Octagon Capital Advisors LP	0001839435	2,830,700	2.22%	0	0.00%	$79.66Mn
15	Jupiter Topco LLC	0002146052	2,355,122	1.84%	▲2,355,122	0.00%	$66.24Mn
16	State Street Corp	0000093751	2,187,266	1.71%	▲385,454	+21.39%	$61.55Mn
17	GEODE CAPITAL MANAGEMENT, LLC	0001214717	2,168,517	1.70%	▲250,102	+13.04%	$61.03Mn
18	MPM BioImpact LLC	0001687078	2,019,020	1.58%	▼367,509	-15.40%	$56.82Mn
19	BAKER BROS. ADVISORS LP	0001263508	2,012,500	1.58%	0	0.00%	$56.63Mn
20	SR ONE CAPITAL MANAGEMENT, LP	0001910264	1,959,896	1.53%	0	0.00%	$55.15Mn

Showing 1 to 20 of 198 holders