Which hedge funds own ATI? ATI INC, Q2 2026 13F holders
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14 of the hedge funds tracked by WhaleCreep disclosed a position in ATI (ATI INC) in their Q2 2026 13F filings, worth $1.4bn in total. The largest holder by portfolio weight is Polen Capital Management at 1.4% of its book. 1 manager opened a new position this quarter: Polen Capital Management. 3 exited: Ancora Advisors, Anomaly Capital Management, Woodline Partners.
14tracked managers holding
1opened this quarter
3exited this quarter
Which hedge funds hold ATI? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Polen Capital Management | Q2 2026 | 1.4% | $161.5m | 819,236 | – | new |
| Viking Global Investors | Q2 2026 | 0.6% | $227.4m | 1,153,880 | -65% | reduced |
| Senator Investment Group | Q2 2026 | 0.6% | $15.8m | 80,000 | -45% | reduced |
| Point72 Asset Management LP | Q2 2026 | 0.4% | $244.5m | 1,240,348 | -36% | reduced |
| Brevan Howard Capital Management | Q2 2026 | 0.3% | $23.2m | 117,553 | 87% | added |
| Holocene Advisors | Q2 2026 | 0.2% | $98.1m | 497,600 | -55% | reduced |
| Soros Fund Management | Q2 2026 | 0.2% | $14.5m | 73,339 | 39% | added |
| Moore Capital Management | Q2 2026 | 0.1% | $6.1m | 30,927 | -9% | reduced |
| Tudor Investment | Q2 2026 | 0.1% | $29.3m | 148,638 | 67% | added |
| Marshall Wace | Q2 2026 | 0.1% | $139.9m | 709,552 | 32% | added |
| Millennium Management | Q2 2026 | 0.1% | $172.5m | 875,260 | 41% | added |
| D. E. Shaw & Co | Q2 2026 | 0.1% | $160.8m | 815,585 | -53% | reduced |
| Bridgewater Associates | Q2 2026 | 0.1% | $22.7m | 114,940 | 424% | added |
| Citadel Advisors | Q2 2026 | 0.1% | $98.0m | 497,418 | 64% | added |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Ancora Advisors | 0.0% | $25.9k |
| Anomaly Capital Management | 3.4% | $10.9m |
| Woodline Partners | 0.5% | $13.0m |
How has hedge fund ownership of ATI changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 14 | $1.4bn |
| Q1 2026 | 16 | $1.5bn |
| Q4 2025 | 5 | $301.6m |
| Q3 2025 | 9 | $309.9m |
| Q2 2025 | 8 | $395.3m |
| Q1 2025 | 9 | $256.1m |
| Q4 2024 | 10 | $231.4m |
| Q3 2024 | 7 | $164.9m |
| Q2 2024 | 7 | $133.6m |
| Q1 2024 | 6 | $73.2m |
| Q4 2023 | 4 | $148.8m |
| Q3 2023 | 5 | $66.3m |
| Q2 2023 | 5 | $135.3m |
| Q1 2023 | 4 | $93.0m |
| Q4 2022 | 3 | $36.1m |
| Q3 2022 | 3 | $25.3m |
Counts every tracked manager that disclosed ATI in that quarter's filing, including managers that have since stopped filing.