FMR LLC - 31 Mar 2025 SCHEDULE 13G/A Report for ATI INC COMMON STOCK (ATI)

Reporting parties
Subject security
Symbol
ATI
Shares outstanding
141,179,191 shares
Ownership signal
SEC evidence
Form type
SCHEDULE 13G/A
Filing time
12 May 2025, 10:24:40 UTC
Event date
31 Mar 2025
Previous filing
12 Feb 2025
SEC filing
View on sec.gov

Key filing fact

FMR LLC disclosed 3.5% ownership in ATI INC COMMON STOCK (ATI) on 31 Mar 2025.

Key facts

  • FMR LLC filed SCHEDULE 13G/A for ATI INC COMMON STOCK (ATI).
  • Disclosed ownership: 3.5%.
  • Date of event: 31 Mar 2025.

Change

  • Previous schedule filing date: 12 Feb 2025.
  • Current filing was accepted on 12 May 2025, 10:24.

Research use

  • 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.

Evidence

Backed by Schedule 13D/13G

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

See Original Filing

Reporting persons

Reporting managers (2)

Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
FMR LLC 3.5% 4,941,272 4,906,863 0 Stephanie J. Brown Duly authorized under Power of Attorney effective as of January 3, 2023, by and on behalf of FMR LLC and its direct and indirect subsidiaries*
Abigail P. Johnson 3.5% 4,941,272 0 0 Stephanie J. Brown Duly authorized under Power of Attorney effective as of January 26, 2023, by and on behalf of Abigail P. Johnson**
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .