SEC ownership of ALUMIS INC.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001847367.

Comparable stake leader

Foresite Capital Fund VI LP

Disclosed value leader

Foresite Capital Fund VI LP

Comparable rows

6/50

Latest evidence

02 Nov 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
6 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Foresite Capital Fund VI LP
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
02 Nov 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001847367
Issuer location
South San Francisco, CA

Ownership snapshot

Top shareholders of ALUMIS INC. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Foresite Capital Fund VI LP
Disclosed value leader
Foresite Capital Fund VI LP
Comparable rows
6/50
Latest evidence
02 Nov 2026
13D/G 3/4/5 13F Lead comparable stake: 13% 44 rows are not safely comparable across share classes. 13D/G row: Foresite Capital Fund VI LP Showing 1-8 of 50 holder rows.

Quick read

Foresite Capital Fund VI LP leads the comparable SEC ownership view at 13%.

6 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Foresite Capital Fund VI LP's linked filing trail.
Comparable ownership Top 5
Foresite Capital Fund VI LP 13%
AyurMaya Capital Management Compa... 12%
Deep Track Capital, LP 6%
BlackRock, Inc. 5.7%
Samsara BioCapital, L.P. 5.4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Foresite Capital Fund VI LP
13D/G 3/4/5
James B. Tananbaum · 10%+ Owner
13%
Reported 13D/G · 01 Apr 2026
$422,163,758
15,693,820 shares
-$13,341,970 01 Apr 2026
AyurMaya Capital Management Company, LP
13D/G 3/4/5
Director, Other*, 10%+ Owner
12%
Reported 13D/G · 14 May 2026
$303,702,522
15,139,707 shares
$0 14 May 2026
Deep Track Capital, LP
13D/G
6%
Reported 13D/G · 30 Mar 2026
$162,185,631
7,362,035 shares
$0 30 Mar 2026
BlackRock, Inc.
13D/G
5.7%
Reported 13D/G · 30 Jun 2026
$198,935,786
7,069,502 shares
$0 30 Jun 2026
Samsara BioCapital, L.P.
13D/G
Srinivas Akkaraju
5.4%
Reported 13D/G · 09 Jan 2026
$61,929,972
6,345,219 shares
+$11,811,946 09 Jan 2026
venBio Global Strategic Fund IV, L.P.
13D/G
4.8%
Reported 13D/G · 30 Jun 2025
$21,297,292
4,619,803 shares
$0 30 Jun 2025
Foresite Capital Fund V, L.P.
3/4/5
10%+ Owner
—
denominator unverified
$6,641,543
680,486 shares
— 01 Apr 2026
Foresite Capital Management V, LLC
3/4/5
10%+ Owner
—
denominator unverified
$6,641,543
680,486 shares
— 01 Apr 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$58,656,755.

Buys
$60,228,716
Insiders: 4
Sells
$1,571,961
Insiders: 7
Net
+$58,656,755
Shares: +5,419,873
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 5,539,580 Shares: 119,707
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 986,721 99,754 $10,726,255 $1,037,650 +$9,688,605
3-6 0 19,953 $0 $534,311 -$534,311
6-9 0 0 $0 $0 $0
9-12 4,552,859 0 $49,502,461 $0 +$49,502,461

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 28 reporting-owner rows connected to ALUMIS INC.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
28
Largest Forms 3/4/5 holder
Srinivas Akkaraju
Net 12M change
+$58.66MFull value: +$58,656,756 · USD · 12-month change
Latest report
02 Nov 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Srinivas Akkaraju Director $76,995,646 +$27,331,775 +55% Mixed 04 Sep 2026
AyurMaya Capital Management Company, LP Director, Other*, 10%+ Owner $65,554,931 Mixed 21 May 2025
Foresite Capital Fund VI LP 10%+ Owner $6,641,543 Mixed 01 Apr 2026
James B. Tananbaum Director, 10%+ Owner $6,641,543 +$10,627,638 +160% Mixed 01 Apr 2026
Foresite Capital Management V, LLC 10%+ Owner $6,641,543 Mixed 01 Apr 2026
Foresite Capital Fund V, L.P. 10%+ Owner $6,641,543 Mixed 01 Apr 2026
Foresite Capital Opportunity Fund V, L.P. 10%+ Owner $6,641,543 Mixed 01 Apr 2026
Foresite Capital Management VI LLC 10%+ Owner $6,641,543 +$10,627,638 +160% Mixed 01 Apr 2026
Labs Co-Invest V, LLC 10%+ Owner $6,641,543 Mixed 01 Apr 2026
Foresite Labs Affiliates 2021, LLC 10%+ Owner $6,641,543 Mixed 01 Apr 2026
Foresite Labs Fund I, L.P. 10%+ Owner $6,641,543 Mixed 01 Apr 2026
Foresite Labs Management I, LLC 10%+ Owner $6,641,543 Mixed 01 Apr 2026
Foresite Labs, LLC 10%+ Owner $6,641,543 +$10,627,638 +160% Mixed 01 Apr 2026
Foresite Capital Opportunity Management V, LLC 10%+ Owner $6,641,543 Mixed 01 Apr 2026
David M. Goldstein Chief Scientific Officer $1,803,159 -$72,558 -3.9% Mixed 02 Nov 2026
Roy C. Hardiman Chief Business & Strategy Ofcr $1,578,247 -$75,239 -4.6% Mixed 02 Nov 2026
Zhengbin Yao Director $596,616 Mixed 30 Jun 2026
Sara Klein Chief Legal Officer $540,736 Mixed 18 Feb 2025
Mark Christopher Bradley Chief Development Officer $460,365 -$71,886 -14% Mixed 02 Nov 2026
Martin Babler President, CEO and Chairman, Director $385,278 Mixed 26 Jan 2026

Recent insider transactions for ALUMIS INC.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
John R. Schroer ALMS Common Stock Sale -3.21% -$5,177 $6.52 -794 23,924 02 Nov 2026 Direct
Sanam Pangali ALMS Common Stock Sale -3.41% -$2,165 $6.52 -332 9,415 02 Nov 2026 Direct
Roy C. Hardiman ALMS Common Stock Sale -0.31% -$4,251 $6.52 -652 207,094 02 Nov 2026 Direct
David M. Goldstein ALMS Common Stock Sale -2.03% -$4,101 $6.52 -629 30,341 02 Nov 2026 Direct
Jorn Drappa ALMS Common Stock Sale -1.04% -$3,866 $6.52 -593 56,299 02 Nov 2026 Direct
Mark Christopher Bradley ALMS Common Stock Sale -1.28% -$4,062 $6.52 -623 47,910 02 Nov 2026 Direct
Srinivas Akkaraju ALMS Common Stock Purchase 13.5% $2,904,280 $10.63 273,290 2,298,783 08 Sep 2026 By Samsara Opportunity Fund, L.P.
Srinivas Akkaraju ALMS Common Stock Purchase 5.86% $2,904,291 $10.63 273,291 4,937,026 08 Sep 2026 By Samsara BioCapital, L.P.
Srinivas Akkaraju ALMS Common Stock Sale -2.32% -$507,009 $10.55 -48,065 2,025,493 08 Sep 2026 By Samsara Opportunity Fund, L.P.
Srinivas Akkaraju ALMS Common Stock Sale -1.02% -$507,019 $10.55 -48,066 4,663,735 08 Sep 2026 By Samsara BioCapital, L.P.
Srinivas Akkaraju ALMS Common Stock Purchase 11.9% $2,458,842 $11.17 220,070 2,073,558 04 Sep 2026 By Samsara Opportunity Fund, L.P.
Srinivas Akkaraju ALMS Common Stock Purchase 4.9% $2,458,842 $11.17 220,070 4,711,801 04 Sep 2026 By Samsara BioCapital, L.P.
John R. Schroer ALMS Common Stock Sale -11.7% -$86,546 $26.37 -3,282 24,718 03 Aug 2026 Direct
Sanam Pangali ALMS Common Stock Sale -12.3% -$35,969 $26.37 -1,364 9,747 03 Aug 2026 Direct
Roy C. Hardiman ALMS Common Stock Sale -1.28% -$70,988 $26.37 -2,692 207,746 03 Aug 2026 Direct
David M. Goldstein ALMS Common Stock Sale -7.73% -$68,457 $26.37 -2,596 30,970 03 Aug 2026 Direct
Jorn Drappa ALMS Common Stock Sale -4.12% -$64,527 $26.37 -2,447 56,892 03 Aug 2026 Direct
Mark Christopher Bradley ALMS Common Stock Sale -5.03% -$67,824 $26.37 -2,572 48,533 03 Aug 2026 Direct
Sanam Pangali ALMS Common Stock Sale -31% -$140,000 $28.00 -5,000 11,111 06 Jul 2026 Direct
Sanam Pangali ALMS Common Stock Options Exercise 45% 5,000 16,111 06 Jul 2026 Direct
Sanam Pangali ALMS Stock Option (Right to Buy) Options Exercise -12.2% -5,000 36,000 06 Jul 2026 Direct
Lynn A. Tetrault ALMS Common Stock Award 3,553 3,553 30 Jun 2026 Direct
Lynn A. Tetrault ALMS Stock Option (Right to Buy) Award 15,528 15,528 30 Jun 2026 Direct
Zhengbin Yao ALMS Common Stock Award 15.1% 3,553 27,082 30 Jun 2026 Direct
Zhengbin Yao ALMS Stock Option (Right to Buy) Award 15,528 15,528 30 Jun 2026 Direct
Sapna Srivastava ALMS Common Stock Award 3,553 3,553 30 Jun 2026 Direct
Sapna Srivastava ALMS Stock Option (Right to Buy) Award 15,528 15,528 30 Jun 2026 Direct
Patrick Machado ALMS Common Stock Award 3,553 3,553 30 Jun 2026 Direct
Patrick Machado ALMS Stock Option (Right to Buy) Award 15,528 15,528 30 Jun 2026 Direct
Srinivas Akkaraju ALMS Common Stock Award 3,553 3,553 30 Jun 2026 Direct
Srinivas Akkaraju ALMS Stock Option (Right to Buy) Award 15,528 15,528 30 Jun 2026 Direct
Jorn Drappa ALMS Common Stock Options Exercise 82.6% 26,852 59,339 22 May 2026 Direct
Jorn Drappa ALMS Stock Option (Right to Buy) Options Exercise -14.4% -26,852 159,805 22 May 2026 Direct
Foresite Labs, LLC ALMS Common Stock Other 1,803,823 1,123,337 01 Apr 2026 See Footnote
Foresite Labs, LLC ALMS Common Stock Other 1,803,823 1,123,337 01 Apr 2026 See Footnote
Foresite Labs, LLC ALMS Common Stock Other -100% -2,299,807 0 01 Apr 2026 See Footnote
Foresite Labs, LLC ALMS Common Stock Other -100% -2,299,807 0 01 Apr 2026 See Footnote
Foresite Capital Management VI LLC ALMS Common Stock Other 1,803,823 1,123,337 01 Apr 2026 See Footnote
Foresite Capital Management VI LLC ALMS Common Stock Other 1,803,823 1,123,337 01 Apr 2026 See Footnote
Foresite Capital Management VI LLC ALMS Common Stock Other 1,803,823 1,123,337 01 Apr 2026 See Footnote
Foresite Capital Management VI LLC ALMS Common Stock Other 1,803,823 1,123,337 01 Apr 2026 See Footnote
Foresite Capital Management VI LLC ALMS Common Stock Other 1,803,823 1,123,337 01 Apr 2026 See Footnote
Foresite Capital Management VI LLC ALMS Common Stock Other 1,803,823 1,123,337 01 Apr 2026 See Footnote
Foresite Capital Management VI LLC ALMS Common Stock Other 1,803,823 1,123,337 01 Apr 2026 See Footnote
Foresite Capital Management VI LLC ALMS Common Stock Other 1,803,823 1,123,337 01 Apr 2026 See Footnote
Foresite Capital Management VI LLC ALMS Common Stock Other 1,803,823 1,123,337 01 Apr 2026 See Footnote
Foresite Capital Management VI LLC ALMS Common Stock Other -100% -2,299,807 0 01 Apr 2026 See Footnote
Foresite Capital Management VI LLC ALMS Common Stock Other -100% -2,299,807 0 01 Apr 2026 See Footnote
Foresite Capital Management VI LLC ALMS Common Stock Other -100% -2,299,807 0 01 Apr 2026 See Footnote
Foresite Capital Management VI LLC ALMS Common Stock Other -100% -2,299,807 0 01 Apr 2026 See Footnote
* marks a reported price that did not pass the local price check.
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