Who owns ATI
658 institutions reported holding ATI for 2026Q1, together 92% of the company, more than the 561 a quarter earlier.
658
Institutions reporting a position · as of 2026Q1 · up from 561 the quarter before
- Shares held by institutions
- 127.1M
Shares held by institutions · 92% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $18.5B
Reported value · at 2026-03-31 prices, not today's
- Top 5 holders
- 34%
Top 5 holders · of the whole company, between five filers
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 52
- New positions
- 156
- Positions exited
- 63
- Added to
- 223
- Reduced
- 180
- Top 10 holdersof the company
- 49%
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 658 | 127.1M | $18.5B |
| 2025Q4 | 561 | 128.2M | $14.7B |
| 2025Q3 | 463 | 128.6M | $10.5B |
| 2025Q2 | 464 | 133.7M | $11.5B |
| 2025Q1 | 422 | 133.8M | $6.96B |
| 2024Q4 | 400 | 136.1M | $7.49B |
| 2024Q3 | 414 | 132.8M | $8.88B |
| 2024Q2 | 400 | 132.1M | $7.32B |
| 2024Q1 | 341 | 134.8M | $6.88B |
| 2023Q4 | 346 | 134.2M | $6.10B |
| 2023Q3 | 334 | 133.0M | $5.47B |
| 2023Q2 | 326 | 134.5M | $5.95B |
| 2023Q1 | 336 | 133.9M | $5.28B |
| 2022Q4 | 304 | 132.3M | $3.95B |
| 2022Q3 | 290 | 131.2M | $3.49B |
| 2022Q2 | 264 | 132.8M | $3.02B |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Inc. | 16.4M | 12% | $2.39B |
| VANGUARD GROUP INC | 13.0M | 9.4% | $1.89B |
| Capital Research Global Investors | 6.2M | 4.4% | $896M |
| Capital International Investors | 5.9M | 4.2% | $855M |
| Capital World Investors | 5.7M | 4.1% | $831M |
| STATE STREET CORP | 5.4M | 3.9% | $783M |
| FMR LLC | 5.2M | 3.8% | $763M |
| Invesco Ltd. | 3.9M | 2.8% | $561M |
| VIKING GLOBAL INVESTORS LP | 3.3M | 2.4% | $485M |
| GEODE CAPITAL MANAGEMENT LLC | 2.9M | 2.1% | $429M |
SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.
reading the register…