ATI position history
The shares of ATI Inc. (ATI) that Senator Investment Group LP reported in each quarter’s 13F.
Shares held by quarter
New Add Reduce Exit
- 2024 Q1: 333,000 shares, $17M, 0.78% of portfolio, New
- 2024 Q2: 891,138 shares, $49M, 2.4% of portfolio, Add +167.6%
- 2024 Q3: 690,000 shares, $46M, 2.2% of portfolio, Reduce −22.6%
- 2024 Q4: 718,556 shares, $40M, 1.2% of portfolio, Add +4.1%
- 2025 Q1: 1,212,500 shares, $63M, 3.3% of portfolio, Add +68.7%
- 2025 Q2: 750,000 shares, $65M, 2.5% of portfolio, Reduce −38.1%
- 2025 Q3: 325,000 shares, $26M, 0.98% of portfolio, Reduce −56.7%
- 2025 Q4: 325,000 shares, $37M, 1.5% of portfolio
- 2026 Q1: 145,000 shares, $21M, 0.97% of portfolio, Reduce −55.4%
- 2026 Q2: 80,000 shares, $16M, 0.58% of portfolio, Reduce −44.8%
| Holdings date | Value | % of holdings | Shares | Filing date | All 13F holders |
|---|