Institutional HoldersBeta

Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.

ALUMIS INC.

CIK 0001847367ALMS· quarter ending 2026-06-30
Shares outstanding
129,435,239
Held by 13F filers
118,115,527
across share classes — see % per class below
Holders
198
+1 vs 2026-03-31 · 29 new, 28 exited
Value
$3.3B
shares +2.7% vs prior quarter

Share classes (cover page of the 10-Q filed 2026-08-13, as of 2026-08-06)

ClassListedShares outstandingHeld by 13F filers% of classHoldersCUSIP
Voting Common Stock—129,435,239——
Nonvoting Common Stock—0——
Not matched to a class118,115,527—022307102

Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.

Securities (CUSIPs held in 13F this quarter)

tick to combine
CountCUSIPClass (as filers write it)HoldersShares heldClass shares% of classValueOptionsMapped via
022307102COM198118,115,527——$3.3B9 call / 4 put13DGholders →

Totals combine the ticked CUSIPs and update as you tick: common-stock classes by default; preferreds, notes, warrants and depositary shares are listed but not counted. "holders →" shows a single CUSIP on its own. Bonds are held as a principal amount, not shares. Options positions are never counted as holdings.

Top holders (198 of 198 · 022307102)

change vs 2026-03-31
#FilerShares% of classValueChange
1AyurMaya Capital Management Company, LP15,139,707—$426.0M—
2BlackRock, Inc.8,218,151—$231.3M+1,047,283 (+14.6%)
3FMR LLC6,769,170—$190.5M+5,795,388 (+595.1%)
4Deep Track Capital, LP6,348,558—$178.6M-424,037 (-6.3%)
5SAMSARA BIOCAPITAL, LLC6,345,219—$178.6M—
6Foresite Capital Management V, LLC5,896,995—$165.9M—
7PRICE T ROWE ASSOCIATES INC /MD/5,199,838—$146.3M+1,913,085 (+58.2%)
8venBio Partners LLC4,528,408—$127.4M—
9Foresite Capital Management VI LLC4,247,670—$119.5M—
10VANGUARD CAPITAL MANAGEMENT LLC4,215,703—$118.6M+183,437 (+4.5%)
11Nextech Invest Ltd.3,540,998—$99.6M—
12Cormorant Asset Management, LP3,285,596—$92.5M-663,645 (-16.8%)
13Saturn V Capital Management LP2,915,443—$82.0M-286,632 (-9.0%)
14Octagon Capital Advisors LP2,830,700—$79.7M—
15Jupiter Topco LLC2,355,122—$66.2MNEW
16STATE STREET CORP2,187,266—$61.5M+385,454 (+21.4%)
17GEODE CAPITAL MANAGEMENT, LLC2,168,517—$61.0M+250,102 (+13.0%)
18MPM BIOIMPACT LLC2,019,020—$56.8M-367,509 (-15.4%)
19BAKER BROS. ADVISORS LP2,012,500—$56.6M—
20SR One Capital Management, LP1,959,896—$55.2M—
21Invesco Ltd.1,173,518—$33.0M-338,019 (-22.4%)
22NOVO HOLDINGS A/S1,100,000—$31.0MNEW
23PRINCIPAL FINANCIAL GROUP INC1,068,060—$30.1M+10,009 (+0.9%)
24JPMORGAN CHASE & CO969,617—$26.4M+108,042 (+12.5%)
25D. E. Shaw & Co., Inc.968,234—$27.2M+396,105 (+69.2%)
26UBS Group AG951,796—$26.8M-2,103,069 (-68.8%)
27VANGUARD PORTFOLIO MANAGEMENT LLC921,211—$25.9M+208,603 (+29.3%)
28Ikarian Capital, LLC870,548—$24.5M-343,000 (-28.3%)
29GREAT POINT PARTNERS LLC856,061—$24.1M—
30GOLDMAN SACHS GROUP INC831,897—$23.4M+113,857 (+15.9%)
31NORTHERN TRUST CORP723,849—$20.4M+160,327 (+28.5%)
32CHARLES SCHWAB INVESTMENT MANAGEMENT INC700,134—$19.7M+64,745 (+10.2%)
33Integral Health Asset Management, LLC700,000—$19.7M-100,000 (-12.5%)
34MILLENNIUM MANAGEMENT LLC660,142—$18.6M+53,858 (+8.9%)
35VANGUARD FIDUCIARY TRUST CO612,010—$17.2M+84,705 (+16.1%)
36Opaleye Management Inc.550,000—$15.5M—
37ORBIMED ADVISORS LLC548,163—$15.4M—
38ROYCE & ASSOCIATES LP525,303—$14.8M+48,911 (+10.3%)
39Woodline Partners LP486,052—$13.7MNEW
40Spruce Street Capital LP392,574—$11.0M—
41Trium Capital LLP390,268—$11.0M+198,877 (+103.9%)
42CITIGROUP INC385,400—$10.8M+286,476 (+289.6%)
43TWO SIGMA INVESTMENTS, LP376,119—$10.6M-281,996 (-42.8%)
44MARSHALL WACE, LLP368,014—$10.4M-804,735 (-68.6%)
45MORGAN STANLEY321,163—$9.0M+96,091 (+42.7%)
46VOLORIDGE INVESTMENT MANAGEMENT, LLC320,861—$9.0M-428,238 (-57.2%)
47Weiss Asset Management LP311,371—$8.8M-786,046 (-71.6%)
48Artia Global Partners LP278,546—$7.8M-46,500 (-14.3%)
49BARCLAYS PLC273,716—$7.7M+51,058 (+22.9%)
50Yu Fan252,672—$7.1M-524,173 (-67.5%)
51Nuveen, LLC243,872—$6.9M-75,316 (-23.6%)
52BOOTHBAY FUND MANAGEMENT, LLC242,538—$6.8M-103,593 (-29.9%)
53Omega Fund Management, LLC241,255—$6.8M—
54SCHRODER INVESTMENT MANAGEMENT GROUP236,841—$6.4M+99,494 (+72.4%)
55Bank of New York Mellon Corp226,618—$6.4M+19,889 (+9.6%)
56TOWERVIEW LLC222,294—$6.3M—
57BANK OF AMERICA CORP /DE/207,789—$5.8M+79,977 (+62.6%)
58Exome Asset Management LLC204,418—$5.8M-74,758 (-26.8%)
59HighVista Strategies LLC199,968—$5.6M+87,039 (+77.1%)
60WELLINGTON MANAGEMENT GROUP LLP179,802—$5.1M-59,429 (-24.8%)
61WELLS FARGO & COMPANY/MN174,912—$4.9M+88,194 (+101.7%)
62Susquehanna Portfolio Strategies, LLC172,779—$4.9M—
63PRUDENTIAL FINANCIAL INC162,583—$4.6M-376,150 (-69.8%)
64Russell Investments Group, Ltd.153,906—$4.3M-8,274 (-5.1%)
65Ensign Peak Advisors, Inc146,970—$4.1M-22,527 (-13.3%)
66AQR CAPITAL MANAGEMENT LLC146,437—$4.1M-245 (-0.2%)
67VOYA INVESTMENT MANAGEMENT LLC138,418—$3.9M+64,509 (+87.3%)
68MOORE CAPITAL MANAGEMENT, LP136,803—$3.8M+95,433 (+230.7%)
69Swiss National Bank135,900—$3.8M+8,100 (+6.3%)
70STEMPOINT CAPITAL LP135,736—$3.8M-323,396 (-70.4%)
71NOMURA ASSET MANAGEMENT INTERNATIONAL INC.134,850—$3.8MNEW
72VICTORY CAPITAL MANAGEMENT INC132,331—$3.7M+49,677 (+60.1%)
73Quantinno Capital Management LP131,092—$3.7M+3,997 (+3.1%)
74Elmind Capital, LP130,000—$3.7M—
75UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC112,129—$3.2M+30,055 (+36.6%)
76STIFEL FINANCIAL CORP110,075—$3.1M-99,654 (-47.5%)
77ALLIANCEBERNSTEIN L.P.104,394—$2.3M+36,300 (+53.3%)
78MANUFACTURERS LIFE INSURANCE COMPANY, THE100,215—$2.8M-54,419 (-35.2%)
79Ghisallo Capital Management LLC100,000—$2.8M—
80TD Asset Management Inc97,002—$2.7M-94,200 (-49.3%)
81RHUMBLINE ADVISERS96,767—$2.7M+12,475 (+14.8%)
82FIRST TRUST ADVISORS LP94,046—$2.6M+27,947 (+42.3%)
83Harvest Investment Services, LLC92,765—$2.6M-7,085 (-7.1%)
84Caption Management, LLC90,000—$2.5M+70,000 (+350.0%)
85DEUTSCHE BANK AG\84,113—$2.4M+25,955 (+44.6%)
86CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM78,818—$2.2M-2,027 (-2.5%)
87Ally Bridge Group (NY) LLC76,459—$2.2M-90,500 (-54.2%)
88Mariner, LLC71,726—$2.0M-1,397 (-1.9%)
89SUSQUEHANNA INTERNATIONAL GROUP, LLP58,717—$1.7M-135,638 (-69.8%)
90ALGERT GLOBAL LLC57,770—$1.6M-100,056 (-63.4%)
91Legal & General Group Plc54,930—$1.5M+4,335 (+8.6%)
92ACT CAPITAL MANAGEMENT, LLC51,600—$1.5M-122,650 (-70.4%)
93VANGUARD ASSET MANAGEMENT, Ltd50,615—$1.4M+8,371 (+19.8%)
94STATE OF WISCONSIN INVESTMENT BOARD50,413—$1.4M+5,903 (+13.3%)
95Vanguard Global Advisers, LLC49,756—$1.4M+7,512 (+17.8%)
96Squarepoint Ops LLC47,590—$1.3M-66,608 (-58.3%)
97MetLife Investment Management, LLC46,312—$1.3M+8,754 (+23.3%)
98FRED ALGER MANAGEMENT, LLC43,057—$1.2MNEW
99Creative Planning41,818—$1.2M+735 (+1.8%)
100Handelsbanken Fonder AB36,400—$1.0MNEW
101MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.36,373—$1.0M+4,213 (+13.1%)
102Corient Private Wealth LP35,144—$989K+16,458 (+88.1%)
103Trexquant Investment LP34,137—$961KNEW
104FRANKLIN RESOURCES INC32,634—$918KNEW
105Zurcher Kantonalbank (Zurich Cantonalbank)31,377—$883K+12,991 (+70.7%)
106NEW YORK STATE COMMON RETIREMENT FUND27,767—$781K+9,900 (+55.4%)
107J. Goldman & Co LP25,846—$727K+2,398 (+10.2%)
108Jain Global LLC25,256—$711KNEW
109Y-Intercept (Hong Kong) Ltd25,236—$710KNEW
110BNP PARIBAS FINANCIAL MARKETS24,078—$678K-11,068 (-31.5%)
111FOX RUN MANAGEMENT, L.L.C.23,993—$675KNEW
112Inscription Capital, LLC23,599—$664K-2,614 (-10.0%)
113RENAISSANCE TECHNOLOGIES LLC23,335—$657K-51,832 (-69.0%)
114Police & Firemen's Retirement System of New Jersey23,295—$656K+4,658 (+25.0%)
115SG Americas Securities, LLC22,867—$643K+14,241 (+165.1%)
116XTX Topco Ltd22,834—$643K+3,544 (+18.4%)
117State of New Jersey Common Pension Fund D21,899—$616K-188 (-0.9%)
118INTECH INVESTMENT MANAGEMENT LLC20,853—$587K-8,738 (-29.5%)
119China Universal Asset Management Co., Ltd.19,644—$553K-2,792 (-12.4%)
120ARIZONA STATE RETIREMENT SYSTEM18,688—$526K+937 (+5.3%)
121Vanguard Investments Australia, Ltd.16,272—$458K—
122Arrowpoint Investment Partners (Singapore) Pte. Ltd.15,396—$433K+3,365 (+28.0%)
123OCCUDO QUANTITATIVE STRATEGIES LP15,297—$430K+4,173 (+37.5%)
124VIRGINIA RETIREMENT SYSTEMS ET Al15,000—$422KNEW
125Brevan Howard Capital Management LP14,811—$417K-12,769 (-46.3%)
126ProShare Advisors LLC14,393—$405K-1,198 (-7.7%)
127PROFUND ADVISORS LLC14,251—$401K+4,230 (+42.2%)
128OpenArc Corporate Advisory, LLC14,240—$401K—
129KLP KAPITALFORVALTNING AS14,200—$400K—
130STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM13,604—$383K—
131Virtus Investment Advisers, LLC13,549—$381K-10,183 (-42.9%)
132Verdad Advisers, LP12,187—$343K+3,014 (+32.9%)
133MERCER GLOBAL ADVISORS INC /ADV11,447—$322K-1,318 (-10.3%)
134SmartHarvest Portfolios, LLC10,771—$303K+1,164 (+12.1%)
135Allianz Asset Management GmbH10,700—$301K-7,500 (-41.2%)
136Vanguard Personalized Indexing Management, LLC10,667—$300K+247 (+2.4%)
137Voleon Capital Management LP10,645—$300KNEW
138Pictet Asset Management Holding SA10,491—$295K—
139Rafferty Asset Management, LLC9,903—$279KNEW
140CAPSTONE INVESTMENT ADVISORS, LLC8,421—$237KNEW
141SEI INVESTMENTS CO8,337—$235K-981 (-10.5%)
142Vident Advisory, LLC8,296—$233KNEW
143TEACHER RETIREMENT SYSTEM OF TEXAS7,892—$222KNEW
144Arax Advisory Partners7,885—$222K+7,519 (+2054.4%)
145XPONANCE LLC7,751—$218KNEW
146Abel Hall, LLC7,437—$209KNEW
147Ameritas Investment Partners, Inc.7,168—$202K+1,559 (+27.8%)
148WEALTH ENHANCEMENT ADVISORY SERVICES, LLC7,128—$202KNEW
149Fulcrum Asset Management LLP7,116—$193KNEW
150State of Wyoming6,712—$189K+4,122 (+159.2%)
151Farther Finance Advisors, LLC6,215—$175K+205 (+3.4%)
152Mirae Asset Global Investments Co., Ltd.5,520—$155K-1,074 (-16.3%)
153Tower Research Capital LLC (TRC)5,447—$153K-3,428 (-38.6%)
154SIMPLEX TRADING, LLC4,986—$140K-3,044 (-37.9%)
155ASSETMARK, INC4,209—$118K+21 (+0.5%)
156ACADIAN ASSET MANAGEMENT LLC3,696—$103K+3,108 (+528.6%)
157GF FUND MANAGEMENT CO. LTD.2,677—$75K+494 (+22.6%)
158STRS OHIO2,600—$73K+600 (+30.0%)
159EverSource Wealth Advisors, LLC2,581—$73K-550 (-17.6%)
160ROYAL BANK OF CANADA2,559—$72K+2,471 (+2808.0%)
161Parallel Advisors, LLC2,059—$58K—
162KBC Group NV1,929—$54K—
163SIGNATUREFD, LLC1,286—$36K-327 (-20.3%)
164BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,167—$33KNEW
165JONES FINANCIAL COMPANIES LLLP1,055—$28K+511 (+93.9%)
166GAMMA Investing LLC994—$28K-57 (-5.4%)
167NISA INVESTMENT ADVISORS, LLC987—$28K-2,368 (-70.6%)
168Kemnay Advisory Services Inc.912—$26K+84 (+10.1%)
169Nykredit A/S776—$22KNEW
170Versant Capital Management, Inc543—$15K—
171Global Retirement Partners, LLC543—$15KNEW
172Allworth Financial LP467—$13K-36 (-7.2%)
173Essential Partners LLC440—$12K-2,452 (-84.8%)
174ROTHSCHILD INVESTMENT LLC411—$12K+1 (+0.2%)
175PNC Financial Services Group, Inc.392—$11K-25 (-6.0%)
176Aster Capital Management (DIFC) Ltd329—$9KNEW
177OSAIC HOLDINGS, INC.291—$8K-52 (-15.2%)
178MassMutual Private Wealth & Trust, FSB279—$8K+63 (+29.2%)
179Sterling Capital Management LLC277—$8K-1,994 (-87.8%)
180US BANCORP \DE\263—$7K-201 (-43.3%)
181True Wealth Design, LLC232—$7K-12 (-4.9%)
182BFSG, LLC192—$5K—
183Larson Financial Group LLC154—$4K-96 (-38.4%)
184Parkside Financial Bank & Trust142—$4K-8 (-5.3%)
185Transamerica Financial Advisors, LLC97—$3K—
186Quarry LP96—$3KNEW
187Optiver Holding B.V.94—$3K-130 (-58.0%)
188Decker Retirement Planning Inc.91—$3K—
189Fortitude Family Office, LLC77—$2K+57 (+285.0%)
190IFP Advisors, Inc55—$2K—
191SBI Securities Co., Ltd.34—$957+30 (+750.0%)
192Silver Grove Financial Group, Inc.32—$900NEW
193Covestor Ltd28—$1K+23 (+460.0%)
194CoreCap Advisors, LLC26—$732—
195NATIONAL BANK OF CANADA /FI/25—$703NEW
196HARBOUR INVESTMENTS, INC.23—$634+10 (+76.9%)
197Stone House Investment Management, LLC22—$619NEW
198SALEM INVESTMENT COUNSELORS INC20—$563—
Exited since 2026-03-31 (28 filers; largest 25 shown)
JANUS HENDERSON GROUP PLC−2,124,408
Point72 Asset Management, L.P.−362,985
CITADEL ADVISORS LLC−351,507
ExodusPoint Capital Management, LP−266,243
Hudson Bay Capital Management LP−193,395
Burkehill Global Management, LP−165,000
Deeter Investments LLP−157,022
TUDOR INVESTMENT CORP ET AL−106,376
AMERICAN CENTURY COMPANIES INC−102,456
Informed Momentum Co LLC−83,187
PRELUDE CAPITAL MANAGEMENT, LLC−74,758
Walleye Capital LLC−31,778
Scientech Research LLC−29,405
DIMENSIONAL FUND ADVISORS LP−23,115
Caitong International Asset Management Co., Ltd−19,708
GSA CAPITAL PARTNERS LLP−18,436
Virtu Financial LLC−17,683
Swiss Life Asset Management Ltd−15,836
Integrated Quantitative Investments LLC−15,423
Shay Capital LLC−15,000
Kera Capital Partners, Inc.−11,003
FARALLON CAPITAL MANAGEMENT LLC−11,000
CWM, LLC−10,389
MAI Capital Management−309
Rockefeller Capital Management L.P.−256

Large holders from 13D/13G (latest per reporting person, last 2 years)

Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.

Reporting personFormFiledEventShares% of class
James B. TananbaumSCHEDULE 13D2026-08-172026-08-109,181,32814.5%
Foresite Capital Opportunity Fund V, L.P.SCHEDULE 13D2026-08-172026-08-103,414,5445.4%
Foresite Capital Opportunity Management V, LLCSCHEDULE 13D2026-08-172026-08-103,414,5445.4%
Foresite Capital Management V, LLCSCHEDULE 13D2026-08-172026-08-103,562,9845.6%
Foresite Capital Management VI, LLCSCHEDULE 13D2026-08-172026-08-102,203,8003.5%
Foresite Capital Fund V, L.P.SCHEDULE 13D2026-08-172026-08-103,562,9845.6%
Foresite Capital Fund VI LPSCHEDULE 13D2026-08-172026-08-102,203,8003.5%
Abigail P. JohnsonSCHEDULE 13G2026-08-062026-06-306,769,170.015.5%
FMR LLCSCHEDULE 13G2026-08-062026-06-306,769,170.015.5%
BlackRock, Inc.SCHEDULE 13G2026-07-272026-06-307,069,5025.7%
David E. GoelSCHEDULE 13D/A2026-07-022026-05-1415,139,70712.3%
AyurMaya Capital Management Company, LPSCHEDULE 13D/A2026-07-022026-05-1415,139,70712.3%
Deep Track Capital, LPSCHEDULE 13G2026-04-072026-03-307,362,0355.98%
Deep Track Biotechnology Master Fund, Ltd.SCHEDULE 13G2026-04-072026-03-307,362,0355.98%
David KroinSCHEDULE 13G2026-04-072026-03-307,362,0355.98%
Foresite Labs Affiliates 2021, LLCSCHEDULE 13D/A2026-04-032026-04-0100%
Labs Co-Invest V, LLCSCHEDULE 13D/A2026-04-032026-04-01194,4590.2%
Foresite Labs Fund I, L.P.SCHEDULE 13D/A2026-04-032026-04-011,960,3371.6%
Foresite Labs, LLCSCHEDULE 13D/A2026-04-032026-04-0100%
Foresite Labs Management I, LLCSCHEDULE 13D/A2026-04-032026-04-011,960,3371.6%
Samsara Opportunity Fund GP, LLCSCHEDULE 13D/A2026-01-132026-01-091,853,4881.6%
Samsara BioCapital GP, LLCSCHEDULE 13D/A2026-01-132026-01-094,491,7313.8%
Samsara BioCapital, L.P.SCHEDULE 13D/A2026-01-132026-01-094,491,7313.8%
Samsara Opportunity Fund, L.P.SCHEDULE 13D/A2026-01-132026-01-091,853,4881.6%
Srinivas AkkarajuSCHEDULE 13D/A2026-01-132026-01-096,345,2195.4%
Adelman Robert JSCHEDULE 13G/A2025-11-172025-06-304,619,8034.8%
GOODMAN COREY SSCHEDULE 13G/A2025-11-172025-06-304,619,8034.8%
venBio Global Strategic Fund IV, L.P.SCHEDULE 13G/A2025-11-172025-06-304,619,8034.8%
venBio Global Strategic GP IV, LLCSCHEDULE 13G/A2025-11-172025-06-304,619,8034.8%
Foresite Capital Fund VI, L.P.SCHEDULE 13D/A2025-06-102025-05-214,247,6704.4%

Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.