Ati INC Schedule 13G passive stakes

Vanguard Capital Management has reported beneficial ownership of 7,145,445 shares, representing 5.23% of ATI Inc.'s common stock as of March 31, 2026.

Capital International Investors reports a 4.5% beneficial ownership in ATI Inc. common stock as of March 31, 2026.

The Vanguard Group has amended its Schedule 13G filing for ATI Inc., reporting 0% beneficial ownership following an internal realignment.

Capital World Investors has reported a 5.7% beneficial ownership stake in ATI Inc.'s common stock as of September 30, 2025.

Capital International Investors has reported a 12.8% beneficial ownership stake in ATI Inc. common stock as of September 30, 2025.

BlackRock, Inc. has disclosed an increased beneficial ownership of 10.1% in ATI INC, holding 13,891,604 common shares as of September 30, 2025.

BlackRock, Inc. has filed an amendment to its Schedule 13G, confirming a 9.9% beneficial ownership of ATI Inc.'s common stock as of June 30, 2025.

FMR LLC and Abigail P. Johnson have filed an amended Schedule 13G, reporting a passive beneficial ownership of 3.5% of ATI INC's common stock as of March 31, 2025.

The Vanguard Group has filed an amended Schedule 13G, reporting a 9.85% beneficial ownership stake in ATI Inc.'s common stock as of March 31, 2025.

BlackRock, Inc. has filed an amended Schedule 13G, revealing its beneficial ownership of 8.7% of ATI INC's common stock as of March 31, 2025.

Capital International Investors has filed an amended Schedule 13G, reporting a passive beneficial ownership of 11.8% of ATI Inc.'s common stock as of December 31, 2024.

FMR LLC and its Chairman and CEO, Abigail P. Johnson, have disclosed a beneficial ownership of 5.1% of ATI INC's common stock as of December 31, 2024.