Filing Manager
BlackRock, Inc.
Reporting Manager
BlackRock, Inc.
Symbol
DAWN
Shares outstanding
100,860,638 shares
Disclosed Ownership
5,849,917 shares
Ownership
5.8%
Form type
SCHEDULE 13G
Filing time
17 Jul 2025, 19:54:38 UTC
Date of event
30 Jun 2025
Previous filing
28 Apr 2025

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Quoteable Key Fact

"BlackRock, Inc. disclosed 5.8% ownership in Day One Biopharmaceuticals, Inc. Common Stock (DAWN) on 30 Jun 2025."

Quick Takeaways

  • BlackRock, Inc. filed SCHEDULE 13G for Day One Biopharmaceuticals, Inc. Common Stock (DAWN).
  • Disclosed ownership: 5.8%.
  • Date of event: 30 Jun 2025.

What Changed

  • Previous schedule filing date: 28 Apr 2025.
  • Current filing was accepted on 17 Jul 2025, 19:54.

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.

Official SEC Source

Backed by Schedule 13D/13G

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

See Original Filing

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BlackRock, Inc. 5.8% 5,849,917 5,699,831 0 Spencer Fleming Managing Director