Reporting Manager
RA Capital Management, L.P.
Symbol
ALXO
Shares outstanding
132,496,020 shares
Disclosed Ownership
13,117,106 shares
Ownership
9.9%
Form type
SCHEDULE 13G
Filing time
09 Feb 2026, 17:01:43 UTC
Date of event
02 Feb 2026

Quoteable Key Fact

"RA CAPITAL MANAGEMENT, L.P. disclosed 9.9% ownership in ALX Oncology Holdings Inc. Common Stock, par value $0.001 per share (ALXO) on 02 Feb 2026."

Quick Takeaways

  • RA CAPITAL MANAGEMENT, L.P. filed SCHEDULE 13G for ALX Oncology Holdings Inc. Common Stock, par value $0.001 per share (ALXO).
  • Disclosed ownership: 9.9%.
  • Date of event: 02 Feb 2026.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 09 Feb 2026, 17:01.

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 (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
RA Capital Management, L.P. 9.9% 13,117,106 0 13,117,106 /s/ Peter Kolchinsky By Peter Kolchinsky, Authorized Signatory
Peter Kolchinsky 9.9% 13,117,106 0 13,117,106 /s/ Peter Kolchinsky Peter Kolchinsky
Rajeev Shah 9.9% 13,117,106 0 13,117,106 /s/ Rajeev Shah Rajeev Shah
RA Capital Healthcare Fund, L.P. 9.9% 13,117,106 0 13,117,106 /s/ Peter Kolchinsky By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager