Foresite Capital Fund VI LP - 08 Jan 2026 SCHEDULE 13D/A Report for Alumis Inc. Common Stock (ALMS)

Reporting Manager
James B. Tananbaum
Symbol
ALMS
Shares outstanding
114,821,305 shares
Disclosed Ownership
16,189,804 shares
Ownership
14%
Form type
SCHEDULE 13D/A
Filing time
12 Jan 2026, 21:59:23 UTC
Date of event
08 Jan 2026
Previous filing
10 Jun 2025
Next filing
03 Apr 2026

Quoteable Key Fact

"Foresite Capital Fund VI LP disclosed 14% ownership in Alumis Inc. Common Stock (ALMS) on 08 Jan 2026."

Quick Takeaways

  • Foresite Capital Fund VI LP filed SCHEDULE 13D/A for Alumis Inc. Common Stock (ALMS).
  • Disclosed ownership: 14%.
  • Date of event: 08 Jan 2026.

What Changed

  • Previous schedule filing date: 10 Jun 2025.
  • Current filing was accepted on 12 Jan 2026, 21:59.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (12)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Foresite Capital Fund VI LP 3.7% 4,247,670 4,247,670 0 /s/ James B. Tananbaum James Tananbaum, Managing Member of the General Partner 0001932516
Foresite Capital Management VI, LLC 3.7% 4,247,670 4,247,670 0 /s/ James B. Tananbaum James Tananbaum, Managing Member 0002013341
Foresite Capital Fund V, L.P. 5% 5,702,536 5,702,536 0 /s/ James B. Tananbaum James Tananbaum, Managing Member of the General Partner 0001792204
Labs Co-Invest V, LLC 0.2% 194,459 194,459 0 /s/ James B. Tananbaum James Tananbaum, Managing Member of the General Partner 0001810063
Foresite Capital Management V, LLC 5.1% 5,896,995 5,896,995 0 /s/ James B. Tananbaum James Tananbaum, Managing Member 0001792206
Foresite Capital Opportunity Fund V, L.P. 2.5% 2,908,332 2,908,332 0 /s/ James B. Tananbaum James Tananbaum, Managing Member of the General Partner 0001792205
Foresite Capital Opportunity Management V, LLC 2.5% 2,908,332 2,908,332 0 /s/ James B. Tananbaum James Tananbaum, Managing Member 0001792207
Foresite Labs Fund I, L.P. 1.7% 1,960,337 1,960,337 0 /s/ James B. Tananbaum James Tananbaum, Managing Member of the General Partner 0001848472
Foresite Labs Management I, LLC 1.7% 1,960,337 1,960,337 0 /s/ James B. Tananbaum James Tananbaum, Managing Member 0001848577
Foresite Labs Affiliates 2021, LLC 1% 1,176,470 1,176,470 0 /s/ James B. Tananbaum James Tananbaum, Managing Member of the Manager 0002028005
Foresite Labs, LLC 1% 1,176,470 1,176,470 0 /s/ James B. Tananbaum James Tananbaum, Manager 0002027905
James B. Tananbaum 14% 16,189,804 15,013,334 1,176,470 /s/ James B. Tananbaum James B. Tananbaum 0001581754
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