What does CUSIP 022307102 represent in this 13F holders report?

CUSIP 022307102 is the security identifier for ALMS - ALUMIS INC. - Common Stock, $0.0001 par value per share used to aggregate holder disclosures.

How many institutions held ALMS - ALUMIS INC. - Common Stock, $0.0001 par value per share in Q1 2026?

191 institutional investors reported ALMS - ALUMIS INC. - Common Stock, $0.0001 par value per share for Q1 2026. Use the holders table for investor-level position and value details.

ALUMIS INC. - Common Stock, $0.0001 par value per share (ALMS)

CUSIP: 022307102

Q1 2026 13F Holders as of 31 Mar 2026

Type / Class: Equity / Common Stock, $0.0001 par value per share
Shares outstanding: 123,110,953
Total 13F shares: 99,365,113
Share change: +34,415,196
Total reported value: $2,187,231,110
Put/Call ratio: 29%
Price per share: $22.03
Number of holders: 191
Value change: +$771,555,251
Number of buys: 141
Number of sells: 54

Quarterly Holders Quick Answers

What is CUSIP 022307102?
CUSIP 022307102 identifies ALMS - ALUMIS INC. - Common Stock, $0.0001 par value per share in SEC institutional holdings data.

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Previous quarter: Q4 2025

Recent filing periods for CUSIP 022307102:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ALMS - ALUMIS INC. - Common Stock, $0.0001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Deep Track Capital, LP	13D/G	—	6%	7,362,035	$162,185,631	$0	30 Mar 2026	13D/G
AyurMaya Capital Management Company, LP	13F 13D/G 3/4/5	Company · Director, Other*, 10%+ Owner	16% from 13D/G	15,139,706	$147,763,531	—	31 Dec 2025	13F 13D/G 3/4/5
Srinivas Akkaraju	3/4/5	Director	— mixed-class rows	6,395,019 mixed-class rows	$75,349,039	+$19,069,487	09 Jan 2026	3/4/5
Samsara BioCapital, L.P.	13D/G	Srinivas Akkaraju	5.4%	6,345,219	$61,929,972	+$11,811,946	09 Jan 2026	13D/G
Foresite Capital Management V, LLC	13F	Company	4.7%	5,779,348	$56,406,436	—	31 Dec 2025	13F
Samsara BioCapital, LLC	13F	Company	4.7%	5,756,984	$56,188,164	—	31 Dec 2025	13F
venBio Partners LLC	13F	Company	3.8%	4,619,803	$45,089,277	—	31 Dec 2025	13F
BlackRock, Inc.	13F	Company	3.7%	4,566,502	$44,569,059	—	31 Dec 2025	13F
Foresite Capital Management VI LLC	13F	Company	3.5%	4,247,670	$41,457,259	—	31 Dec 2025	13F
VANGUARD GROUP INC	13F	Company	3.3%	4,103,290	$40,048,110	—	31 Dec 2025	13F
Cormorant Asset Management, LP	13F	Company	3%	3,635,596	$35,483,417	—	31 Dec 2025	13F
Saturn V Capital Management LP	13F	Company	2.5%	3,135,953	$30,606,901	—	31 Dec 2025	13F
Nextech Invest, Ltd.	13F	Company	2.4%	2,915,998	$28,460,140	—	31 Dec 2025	13F
Octagon Capital Advisors LP	13F	Company	2.1%	2,530,700	$24,699,632	—	31 Dec 2025	13F
MPM BioImpact LLC	13F	Company	2%	2,401,992	$23,443,442	—	31 Dec 2025	13F
venBio Global Strategic Fund IV, L.P.	13D/G	—	4.8%	4,619,803	$21,297,292	$0	30 Jun 2025	13D/G
SR ONE CAPITAL MANAGEMENT, LP	13F	Company	1.6%	1,959,896	$19,128,585	—	31 Dec 2025	13F
BAKER BROS. ADVISORS LP	13F	Company	1.3%	1,562,500	$15,250,000	—	31 Dec 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.2%	1,487,626	$14,522,800	—	31 Dec 2025	13F
STATE STREET CORP	13F	Company	1%	1,259,446	$12,292,193	—	31 Dec 2025	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.94%	1,151,118	$11,234,912	—	31 Dec 2025	13F
ORBIMED ADVISORS LLC	13F	Company	0.9%	1,102,730	$10,762,645	—	31 Dec 2025	13F
Trium Capital LLP	13F	Company	0.73%	893,107	$8,716,724	—	31 Dec 2025	13F
Fan Yu	13F	Individual	0.64%	789,618	$7,706,672	—	31 Dec 2025	13F
Omega Fund Management, LLC	13F	Company	0.53%	653,223	$6,375,456	—	31 Dec 2025	13F
Opaleye Management Inc.	13F	Company	0.43%	535,000	$5,221,600	—	31 Dec 2025	13F
MORGAN STANLEY	13F	Company	0.41%	506,529	$4,943,723	—	31 Dec 2025	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.41%	504,075	$4,919,772	—	31 Dec 2025	13F
Siren, L.L.C.	13F	Individual	0.41%	500,000	$4,880,000	—	31 Dec 2025	13F
TOWERVIEW LLC	13F	Company	0.4%	495,000	$4,831,200	—	31 Dec 2025	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.35%	427,072	$4,168,223	—	31 Dec 2025	13F
Invesco Ltd.	13F	Company	0.34%	421,819	$4,116,953	—	31 Dec 2025	13F
NORTHERN TRUST CORP	13F	Company	0.34%	418,248	$4,082,100	—	31 Dec 2025	13F
MARSHALL WACE, LLP	13F	Company	0.3%	372,901	$3,639,514	—	31 Dec 2025	13F
JPMORGAN CHASE & CO	13F	Company	0.29%	356,337	$3,477,849	—	31 Dec 2025	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.24%	298,219	$2,910,617	—	31 Dec 2025	13F
Exome Asset Management LLC	13F	Company	0.24%	292,250	$2,852,360	—	31 Dec 2025	13F
D. E. Shaw & Co., Inc.	13F	Company	0.19%	231,747	$2,261,851	—	31 Dec 2025	13F
STIFEL FINANCIAL CORP	13F	Company	0.17%	209,729	$2,046,955	—	31 Dec 2025	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.17%	208,133	$2,031,378	—	31 Dec 2025	13F
JANE STREET GROUP, LLC	13F	Company	0.14%	173,833	$1,696,610	—	31 Dec 2025	13F
Susquehanna Portfolio Strategies, LLC	13F	Company	0.14%	172,779	$1,686,323	—	31 Dec 2025	13F
Nuveen, LLC	13F	Company	0.14%	169,506	$1,654,378	—	31 Dec 2025	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.14%	169,093	$1,650,348	—	31 Dec 2025	13F
Bank of New York Mellon Corp	13F	Company	0.13%	160,138	$1,562,947	—	31 Dec 2025	13F
Mariner, LLC	13F	Company	0.12%	145,045	$1,415,829	—	31 Dec 2025	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.11%	138,341	$1,350,209	—	31 Dec 2025	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.11%	137,792	$1,344,850	—	31 Dec 2025	13F
Quantinno Capital Management LP	13F	Company	0.11%	135,446	$1,321,953	—	31 Dec 2025	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.11%	129,448	$1,263,413	—	31 Dec 2025	13F

Institutional Holders of ALUMIS INC. - Common Stock, $0.0001 par value per share (ALMS) as of Q1 2026

As of 31 Mar 2026, ALUMIS INC. - Common Stock, $0.0001 par value per share (ALMS) was held by 191 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 99,365,113 shares. The largest 10 holders included BlackRock, Inc., Deep Track Capital, LP, SAMSARA BIOCAPITAL, LLC, Foresite Capital Management V, LLC, venBio Partners LLC, Foresite Capital Management VI LLC, VANGUARD CAPITAL MANAGEMENT LLC, Cormorant Asset Management, LP, Nextech Invest, Ltd., and PRICE T ROWE ASSOCIATES INC /MD/. This page lists 191 institutional shareholders reporting positions in this security for the Q1 2026 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

131

Q1 2026 holders

191

Holder diff

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 Value $	Q1 2026 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.