Alumis ALMS Institutional Ownership

NASDAQ ALMS

$11.30 -0.06 (-0.53%)

As of: Sep 4, 2026 · 11:51 AM EDT

Institutions by Trading Activity

198 Institutions

Increased 106 53.5%

Unchanged 32 16.2%

Reduced 60 30.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

93.05%

▼-44.07 pp QoQ

Shares Held by Institutions

118.82Mn

of 127.70Mn outstanding

▲+7.49% QoQ

Shares Outstanding

127.70Mn

8.87Mn held outside 13F filers

Institutional Investors

198

filed 13F for Jun 2026

▲+2 vs prior quarter

Net Shares Added (QoQ)

+8.28Mn

accumulated since last quarter

Value of Holdings

$1.35Bn

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

Quarter ending 30 Jun, 2026

Alumis Inc. (NASDAQ:ALMS) appears in 198 institutional 13F filings for the quarter ending June 2026.

These investors collectively held 93.1% of Alumis's outstanding shares in June 2026, down from 137.1% in March 2026.
Their total shares held in ALMS increased 7.49% from the prior quarter, while the number of investors in Alumis increased 78.38% year over year.
Activity in ALMS broke down as 106 buyers, 60 sellers, and 32 unchanged among 198 total holders.
Altogether, these fund groups held 118.82Mn shares in ALMS by June 2026, up by 8.28Mn shares quarter on quarter, and up 39.58Mn shares year over year.
As of June 30, 2026, the biggest holder of Alumis is AyurMaya Capital Management Company, LP at 15.14Mn shares, representing 11.86% of shares outstanding.
Top purchasers of ALMS stock for the quarter ending June 2026 included FMR LLC (5.8Mn), Jupiter Topco LLC (2.36Mn), PRICE T ROWE ASSOCIATES INC /MD/ (1.91Mn), Novo Holdings A/S (1.1Mn), BlackRock, Inc. (1.05Mn).
Leading sellers of Alumis shares for the quarter ending June 2026 were UBS Group AG (2.1Mn), MARSHALL WACE, LLP (804.74K), Weiss Asset Management LP (786.05K), Cormorant Asset Management, LP (663.64K), Yu Fan (524.17K).
Per Business Quant data, the top 10 holders of Alumis for the quarter ending June 2026 are AyurMaya Capital Management Company, LP (15.14Mn), BlackRock, Inc. (8.22Mn), FMR LLC (6.77Mn), Deep Track Capital, LP (6.35Mn), Samsara BioCapital, LLC (6.35Mn), Foresite Capital Management V, LLC (5.9Mn), PRICE T ROWE ASSOCIATES INC /MD/ (5.2Mn), venBio Partners LLC (4.53Mn), Foresite Capital Management VI LLC (4.25Mn), VANGUARD CAPITAL MANAGEMENT LLC (4.22Mn).

Form 13F Holdings

198 Institutional Holders

Report period 30 Jun, 2026

Total shares held 118.82Mn

Of outstanding 93.05%

#	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