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Alumis Inc.

ALMS
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001847367

In the last 90 days, Alumis Inc. insiders filed 1 open-market purchase and 8 sales; 198 institutions reported holding it in 13F filings for Q2 2026, worth $3.32B in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Alumis Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
197
+66 vs. Q4 2025
Shares held
114.7M
+39.8M (+53.1%) vs. Q4 2025
Total value
$2.53B
+$1.79B (+245.5%) vs. Q4 2025
New holders
90
61 more added
Sold out
24
33 more reduced

3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ALMS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 197 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 29 institutionsQ3 2024: 52 institutionsQ4 2024: 64 institutionsQ1 2025: 72 institutionsQ2 2025: 112 institutionsQ3 2025: 130 institutionsQ4 2025: 134 institutionsQ1 2026: 197 institutionsQ2 2026: 198 institutions
Value heldQ1 2026: $2.53B
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $380.0MQ3 2024: $376.1MQ4 2024: $316.5MQ1 2025: $246.8MQ2 2025: $235.0MQ3 2025: $311.2MQ4 2025: $771.1MQ1 2026: $2.53BQ2 2026: $3.32B
Institutions holding ALMS and their total value by quarter
QuarterHoldersValue
Q2 2026198$3.32B
Q1 2026197$2.53B
Q4 2025134$771.1M
Q3 2025130$311.2M
Q2 2025112$235.0M
Q1 202572$246.8M
Q4 202464$316.5M
Q3 202452$376.1M
Q2 202429$380.0M
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Alumis Inc.; share changes are against Q4 2025.

Institutions holding ALMS in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd5$00.00%+5New
SBI Securities Co., Ltd.4$880.00%+1+33.3%Added
Sunbelt Securities, Inc.7$1540.00%00.0%Unchanged
Harbour Investments, Inc.13$3060.00%+13New
Salem Investment Counselors Inc20$4410.00%+20New
Fortitude Family Office, LLC20$4410.00%+20New
CoreCap Advisors, LLC26$5730.00%00.0%Unchanged
IFP Advisors, Inc55$1.21K0.00%00.0%Unchanged
Advisory Services Network, LLC55$1.21K0.00%+55New
Royal Bank of Canada88$2.00K0.00%−2,114−96.0%Reduced
Decker Retirement Planning Inc.91$2.00K0.00%+91New
Transamerica Financial Advisors, Inc.97$2.14K0.00%00.0%Unchanged
Parkside Financial Bank & Trust150$3.31K0.00%+150New
BFSG, LLC192$4.23K0.00%00.0%Unchanged
SMA Capital LLC203$4.47K0.00%+203New
Massmutual Trust Co FSB216$4.76K0.00%+216New
Optiver Holding B.V.224$4.93K0.00%−82−26.8%Reduced
True Wealth Design, LLC244$5.38K0.00%00.0%Unchanged
Larson Financial Group LLC250$5.51K0.00%+240+2,400.0%Added
Rockefeller Capital Management L.P.256$5.64K0.00%+256New
MAI Capital Management309$6.81K0.00%+309New
Advisor Group Holdings, Inc.343$7.56K0.00%+343New
SRS Capital Advisors, Inc.366$8.06K0.00%−670−64.7%Reduced
Rothschild Investment LLC410$9.03K0.00%−5−1.2%Reduced
The PNC Financial Services Group, Inc.417$9.19K0.00%+29+7.5%Added
US Bancorp464$10.2K0.00%−117−20.1%Reduced
Allworth Financial LP503$11.1K0.00%+53+11.8%Added
Versant Capital Management, Inc543$12.0K0.00%−107−16.5%Reduced
Acadian Asset Management LLC588$12.0K0.00%+588New
Jones Financial Companies LLLP544$13.5K0.00%+544New
Kemnay Advisory Services Inc.828$18.2K0.00%+828New
GAMMA Investing LLC1,051$23.2K0.00%+259+32.7%Added
Signaturefd, LLC1,613$35.5K0.00%+347+27.4%Added
KBC Group NV1,929$42.0K0.00%+1,929New
STRS Ohio2,000$44.1K0.00%+1,500+300.0%Added
Parallel Advisors, LLC2,059$45.4K0.00%00.0%Unchanged
GF Fund Management Co. Ltd.2,183$48.1K0.00%+273+14.3%Added
Sterling Capital Management LLC2,271$50.0K0.00%−982−30.2%Reduced
State of Wyoming2,590$57.1K0.01%+2,590New
Essential Partners LLC2,892$63.7K0.02%00.0%Unchanged
EverSource Wealth Advisors, LLC3,131$69.0K0.00%+2,684+600.4%Added
Nisa Investment Advisors, LLC3,355$73.9K0.00%+2,600+344.4%Added
Assetmark, Inc4,188$92.3K0.00%+4,188New
Ameritas Investment Partners, Inc.5,609$123.6K0.00%+782+16.2%Added
Farther Finance Advisors, LLC6,010$136.6K0.00%+6,010New
Mirae Asset Global Investments Co., Ltd.6,594$145.3K0.00%+1,870+39.6%Added
Simplex Trading, LLC8,030$176.9K0.01%+8,030New
SG Americas Securities, LLC8,626$190.0K0.00%+8,626New
Tower Research Capital LLC (TRC)8,875$195.5K0.01%+7,577+583.7%Added
Verdad Advisers, LP9,173$202.1K0.23%+9,173New
SEI Investments Co9,318$205.3K0.00%+9,318New
SmartHarvest Portfolios, LLC9,607$211.6K0.09%+9,607New
Profund Advisors LLC10,021$220.8K0.01%+10,021New
CWM, LLC10,389$228.9K0.00%−42−0.4%Reduced
JustInvest LLC10,420$229.6K0.00%+10,420New
Pictet Asset Management Holding SA10,491$231.1K0.00%+10,491New
Farallon Capital Management, L.L.C.11,000$242.3K0.00%+11,000New
Kera Capital Partners, Inc.11,003$242.4K0.03%00.0%Unchanged
Arrowpoint Investment Partners (Singapore) Pte. Ltd.12,031$265.0K0.39%+12,031New
Occudo Quantitative Strategies LP11,124$274.7K0.01%+11,124New
Mercer Global Advisors Inc12,765$281.2K0.00%−2,143−14.4%Reduced
State Board of Administration of Florida Retirement System13,604$299.7K0.00%+13,604New
KLP Kapitalforvaltning AS14,200$312.8K0.00%+14,200New
OpenArc Corporate Advisory, LLC14,240$313.7K0.00%+14,240New
Shay Capital LLC15,000$330.4K0.05%+15,000New
Integrated Quantitative Investments LLC15,423$339.8K0.06%+15,423New
ProShare Advisors LLC15,591$343.5K0.00%+964+6.6%Added
Vanguard Investments Australia, Ltd.16,272$358.5K0.00%+16,272New
Virtu Financial LLC17,683$390.0K0.02%−32,600−64.8%Reduced
Arizona State Retirement System17,751$391.1K0.00%+17,751New
New York State Common Retirement Fund17,867$393.6K0.00%+6,100+51.8%Added
Allianz Asset Management GmbH18,200$400.9K0.00%+18,200New
Zurcher Kantonalbank (Zurich Cantonalbank)18,386$405.0K0.00%+18,386New
Gsa Capital Partners LLP18,436$406.0K0.03%−12,477−40.4%Reduced
Police & Firemen's Retirement System of New Jersey18,637$410.6K0.00%+3,297+21.5%Added
CI Private Wealth, LLC18,686$411.7K0.00%+18,686New
XTX Topco Ltd19,290$425.0K0.01%−5,665−22.7%Reduced
Caitong International Asset Management Co., Ltd19,708$434.2K0.08%+19,708New
Caption Management, LLC20,000$440.6K0.02%+20,000New
State of New Jersey Common Pension Fund D22,087$486.6K0.00%+22,087New
China Universal Asset Management Co., Ltd.22,436$494.3K0.04%+6,596+41.6%Added
Dimensional Fund Advisors LP23,115$509.2K0.00%+2,599+12.7%Added
J. Goldman & Co LP23,448$516.6K0.02%+23,448New
Virtus Investment Advisers, Inc.23,732$522.8K0.14%+579+2.5%Added
Swiss Life Asset Management Ltd15,836$574.2K0.00%+15,836New
Inscription Capital, LLC26,213$577.5K0.06%−454−1.7%Reduced
Brevan Howard Capital Management LP27,580$607.6K0.01%−7,337−21.0%Reduced
Scientech Research LLC29,405$647.8K0.54%+29,405New
Intech Investment Management LLC29,591$651.9K0.01%+288+1.0%Added
Alliancebernstein L.P.68,094$664.6K0.00%−8,500−11.1%Reduced
Walleye Capital LLC31,778$700.1K0.00%+31,778New
Mirae Asset Global ETFs Holdings Ltd.32,160$708.5K0.00%+5,920+22.6%Added
BNP Paribas Arbitrage, SA35,146$774.3K0.00%−11,738−25.0%Reduced
MetLife Investment Management37,558$827.4K0.00%+5,079+15.6%Added
Creative Planning41,083$905.1K0.00%+2,973+7.8%Added
Moore Capital Management, LP41,370$911.4K0.03%+41,370New
Vanguard Asset Management, Ltd42,244$930.6K0.00%+42,244New
Vanguard Global Advisers, LLC42,244$930.6K0.00%+42,244New
State of Wisconsin Investment Board44,510$980.6K0.00%+44,510New
Legal & General Group Plc50,595$1.11M0.00%+45,641+921.3%Added