ATI — ATI INC
As of Q2 2026, 46 SEC-registered investment managers reported holding ATI (ATI INC) in their latest 13F filings, with a combined reported value of $12.52B across 64.51M shares. That is -0.5% by share count (-321.63K shares) versus the previous quarter, while reported value moved +33.4%. Ownership is concentrated: the five largest holders account for 59.0% of reported value and the top ten for 74.2%.
Compared with the prior quarter, 3 opened new positions, 21 added to existing stakes, 21 trimmed, 1 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
ATI is classified in the Industrials sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| BlackRock Inc history | Q2 2026 | 18.71M | $3.69B | 0.06% | Add |
| Vanguard Group history | Q4 2025 | 12.73M | $1.46B | 0.02% | Reduce |
| Capital World Investors history | Q2 2026 | 5.25M | $1.03B | 0.13% | Reduce |
| Capital Research Global Investors history | Q2 2026 | 5.09M | $1.00B | 0.15% | Reduce |
| Fidelity Management & Research (FMR) history | Q2 2026 | 4.99M | $983.37M | 0.05% | Reduce |
| Invesco Ltd history | Q2 2026 | 3.45M | $679.86M | 0.06% | Reduce |
| Geode Capital Management history | Q2 2026 | 2.78M | $547.58M | 0.03% | Reduce |
| Morgan Stanley history | Q2 2026 | 1.87M | $367.63M | 0.02% | Add |
| Bank of America Corp history | Q2 2026 | 1.77M | $348.28M | 0.02% | Add |
| Norges Bank Investment Management history | Q2 2026 | 1.74M | $342.93M | 0.03% | Hold |
| Charles Schwab Investment Management history | Q2 2026 | 1.48M | $292.35M | 0.04% | Reduce |
| AQR Capital Management history | Q2 2026 | 1.43M | $282.43M | 0.10% | Add |
| Northern Trust Corp history | Q2 2026 | 1.29M | $253.98M | 0.03% | Add |
| Point72 Asset Management history | Q2 2026 | 1.25M | $246.17M | 0.28% | Reduce |
| Viking Global Investors history | Q2 2026 | 1.15M | $227.43M | 0.66% | Reduce |
| Millennium Management history | Q2 2026 | 883.26K | $174.09M | 0.07% | Add |
| BNY Mellon history | Q2 2026 | 857.41K | $169.00M | 0.03% | Reduce |
| Arrowstreet Capital history | Q2 2026 | 839.79K | $165.52M | 0.07% | Reduce |
| D. E. Shaw & Co history | Q2 2026 | 830.18K | $163.63M | 0.09% | Reduce |
| Polen Capital Management history | Q2 2026 | 819.24K | $161.47M | 1.39% | New |
New Positions (Q2 2026)
- Polen Capital Management 819.24K sh · $161.47M
- JPMorgan Chase & Co 465.59K sh · $93.29M
- CDPQ (Caisse de Depot) 1.80K sh · $354.78K
Fully Exited (vs previous quarter)
- Janus Henderson Group sold 60.51K sh · $8.80M
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q3 2021 | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | — | 15.86M | 17.84M | 13.11M | 14.95M | 14.86M | 14.67M | 16.44M | 18.71M |
| Capital World Investors | 2.59M | 2.59M | 2.59M | 1.75M | 1.35M | 1.35M | 970.00K | 970.00K | 1.97M | 1.97M | 2.84M | 2.87M | 3.43M | 6.88M | 6.98M | 6.82M | 7.90M | 7.36M | 5.71M | 5.25M |
| Capital Research Global Investors | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 602.96K | 3.22M | 3.22M | 3.61M | 6.16M | 5.09M |
| Fidelity Management & Research (FMR) | 2.07M | 1.31M | 1.16M | 1.22M | 300.00K | 300.00K | 300.00K | 3.30M | 3.20M | 2.00M | 2.00M | 3.50M | 9.28M | 6.62M | 4.23M | 3.41M | 4.90M | 5.07M | 5.25M | 4.99M |
| Invesco Ltd | 787.55K | 575.20K | 1.18M | 906.86K | 852.66K | 964.87K | 2.43M | 78.00K | 78.00K | 78.00K | 78.00K | 4.45M | 4.49M | 4.70M | 4.85M | 3.30M | 3.15M | 3.38M | 3.86M | 3.45M |
| Geode Capital Management | 2.13M | 2.10M | 2.17M | 2.09M | 2.17M | 2.26M | 2.36M | 2.48M | 2.58M | 2.70M | 2.77M | 1.95M | 1.95M | 2.15M | 2.38M | 2.44M | 2.44M | 2.42M | 2.95M | 2.78M |
| Morgan Stanley | 1.31M | 1.53M | 1.08M | 1.39M | 1.23M | 1.17M | 1.46M | 1.34M | 1.33M | 2.10M | 1.88M | 1.76M | 1.70M | 1.53M | 1.10M | 1.21M | 1.41M | 1.28M | 1.67M | 1.87M |
| Bank of America Corp | 245.05K | 297.96K | 270.43K | 518.42K | 497.50K | 437.81K | 493.68K | 388.11K | 392.48K | 412.54K | 442.57K | 528.53K | 427.59K | 312.35K | 944.63K | 622.50K | 733.61K | 799.07K | 1.36M | 1.77M |
| Norges Bank Investment Management | — | — | — | — | — | 1.69M | — | — | — | 1.23M | — | 1.56M | — | 1.55M | — | 1.70M | — | 1.73M | — | 1.74M |
| Charles Schwab Investment Management | 1.40M | 1.46M | 1.46M | 1.41M | 1.35M | 1.23M | 1.20M | 1.18M | 1.58M | 1.57M | 1.62M | 1.35M | 1.37M | 1.56M | 1.49M | 1.50M | 1.51M | 1.49M | 1.50M | 1.48M |
| AQR Capital Management | — | — | — | 12.44K | 16.02K | 21.92K | 22.59K | 22.36K | 24.79K | 17.29K | 17.52K | 12.68K | 184.19K | 278.35K | 54.03K | 64.94K | 129.93K | 1.02M | 1.22M | 1.43M |
| Northern Trust Corp | 1.58M | 1.37M | 1.32M | 1.28M | 1.28M | 1.32M | 1.33M | 1.38M | 1.44M | 1.43M | 1.38M | 1.30M | 676.62K | 946.67K | 1.26M | 1.25M | 1.23M | 1.17M | 1.24M | 1.29M |
| Point72 Asset Management | 647.80K | 558.00K | — | — | 218.01K | 702.56K | 622.13K | 364.56K | 103.10K | 1.54M | 265.86K | 519.88K | 571.68K | 797.81K | 1.03M | 786.26K | 309.19K | 800.28K | 1.94M | 1.25M |
| Viking Global Investors | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3.33M | 1.15M |
| Millennium Management | 1.68M | 1.55M | 1.73M | 3.36M | 1.11M | 1.02M | 438.05K | 592.43K | 378.29K | 278.44K | 753.65K | 1.94M | 1.60M | 99.94K | 1.37M | 288.82K | 337.59K | 522.38K | 626.84K | 883.26K |
| BNY Mellon | 1.46M | 1.40M | 1.34M | 1.22M | 1.29M | 1.25M | 100.00K | 1.17M | 1.12M | 1.09M | 1.02M | 300.00K | 878.25K | 891.15K | 902.20K | 892.30K | 917.92K | 912.87K | 869.18K | 857.41K |
| Arrowstreet Capital | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 363.27K | 1.20M | 839.79K |
| D. E. Shaw & Co | 4.13M | 3.63M | 3.75M | 3.58M | 29.95M | 19.95M | 19.95M | 19.95M | 19.95M | 1.23M | 581.55K | 1.12M | 1.28M | 1.46M | 1.64M | 3.52M | 3.04M | 2.04M | 1.75M | 830.18K |
| Polen Capital Management | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 819.24K |
| Goldman Sachs Group | 1.35M | 1.77M | 1.82M | 1.77M | 2.45M | 1.89M | 2.04M | 1.71M | 991.28K | 1.31M | 1.05M | 851.96K | 533.98K | 424.47K | 633.95K | 380.40K | 376.24K | 362.39K | 447.82K | 751.28K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details