Security record · archived quarter
ATI
ATI Inc. · Industrials · Manufacturing - Metal Fabrication
24Tracked holders
0Δ holders
59.58MShares held
$4.85BReported value
+2New positions
−3Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +1.9% · net new positions -4.2% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 152 | +8 | 101.48M | $19.96B | +13 | −4 |
| Q1 2026 | 146 | 0 | 103.32M | $15.00B | +8 | −9 |
| Q4 2025 | 145 | 0 | 109.79M | $12.60B | +3 | −2 |
| Q3 2025 | 24 | 0 | 59.58M | $4.85B | +2 | −3 |
| Q2 2025 | 22 | -1 | 57.72M | $4.98B | — | −1 |
| Q1 2025 | 20 | 0 | 26.30M | $1.37B | — | — |
| Q4 2024 | 20 | +1 | 23.98M | $1.32B | +1 | — |
| Q3 2024 | 18 | 0 | 15.90M | $1.06B | — | — |
| Q2 2024 | 18 | — | 15.27M | $846.69M | — | — |
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 14.86M | -0.6% | $1.21B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 13.05M | -2.1% | $1.06B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 13.05M | -2.1% | $1.06B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 13.05M | -2.1% | $1.06B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | The Vanguard Group ✦ (passive) | 13.05M | -2.1% | $1.06B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 21 | The Vanguard Group ✦ (passive) | 13.05M | -2.1% | $1.06B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 22 | The Vanguard Group ✦ (passive) | 13.05M | -2.1% | $1.06B | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 23 | Capital World Investors ✦ | 7.90M | +15.8% | $642.63M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 24 | State Street Global Advisors ✦ (passive) | 6.04M | +7.4% | $491.48M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 25 | Fidelity (FMR) ✦ | 4.90M | +43.5% | $398.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | Fidelity (FMR) ✦ | 4.90M | +43.5% | $398.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Fidelity (FMR) ✦ | 4.90M | +43.5% | $398.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 28 | Fidelity (FMR) ✦ | 4.90M | +43.5% | $398.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Fidelity (FMR) ✦ | 4.90M | +43.5% | $398.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | Fidelity (FMR) ✦ | 4.90M | +43.5% | $398.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 31 | D. E. Shaw & Co. ✦ | 3.03M | -13.8% | $246.22M | 0.2% | ▼ Trim | 6 | SEC ↗ |
| 32 | D. E. Shaw & Co. ✦ | 3.03M | -13.8% | $246.22M | 0.2% | ▼ Trim | 6 | SEC ↗ |
| 33 | Geode Capital Management ✦ (passive) | 2.44M | +0.4% | $198.89M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 34 | Geode Capital Management ✦ (passive) | 2.44M | +0.4% | $198.89M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 35 | Morgan Stanley ✦ | 1.41M | — | $115.05M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Morgan Stanley ✦ | 1.41M | — | $115.05M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 1.41M | — | $115.05M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Morgan Stanley ✦ | 1.41M | — | $115.05M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | Morgan Stanley ✦ | 1.41M | — | $115.05M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 1.41M | — | $115.05M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 1.41M | — | $115.05M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 1.41M | — | $115.05M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 1.41M | — | $115.05M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 1.41M | — | $115.05M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 1.41M | — | $115.05M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 1.41M | — | $115.05M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | T. Rowe Price ✦ | 1.07M | -5.7% | $87.37M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 48 | T. Rowe Price ✦ | 1.07M | -5.7% | $87.37M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 49 | Fisher Asset Management ✦ | 957.65K | +52.5% | $77.90M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 50 | JPMorgan Chase ✦ | 666.38K | — | $54.20M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | JPMorgan Chase ✦ | 666.38K | — | $54.20M | 0.0% | n/c | 1 | SEC ↗ |
| 52 | JPMorgan Chase ✦ | 666.38K | — | $54.20M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | JPMorgan Chase ✦ | 666.38K | — | $54.20M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | JPMorgan Chase ✦ | 666.38K | — | $54.20M | 0.0% | n/c | 1 | SEC ↗ |
| 55 | JPMorgan Chase ✦ | 666.38K | — | $54.20M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | JPMorgan Chase ✦ | 666.38K | — | $54.20M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | JPMorgan Chase ✦ | 666.38K | — | $54.20M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | JPMorgan Chase ✦ | 666.38K | — | $54.20M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | JPMorgan Chase ✦ | 666.38K | — | $54.20M | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Marshall Wace ✦ | 513.94K | +98.1% | $41.80M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 61 | Marshall Wace ✦ | 513.94K | +98.1% | $41.80M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 62 | Wellington Management ✦ | 457.30K | -2.1% | $37.20M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 63 | Wellington Management ✦ | 457.30K | -2.1% | $37.20M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 64 | Wellington Management ✦ | 457.30K | -2.1% | $37.20M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 65 | GAMCO Investors ✦ | 395.80K | -1.2% | $32.19M | 0.3% | ▼ Trim | 6 | SEC ↗ |
| 66 | Goldman Sachs Group ✦ | 376.24K | — | $30.60M | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Goldman Sachs Group ✦ | 376.24K | — | $30.60M | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Goldman Sachs Group ✦ | 376.24K | — | $30.60M | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Goldman Sachs Group ✦ | 376.24K | — | $30.60M | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Millennium Management ✦ | 337.59K | +16.9% | $27.46M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 71 | Point72 Asset Management ✦ | 309.19K | -60.7% | $25.15M | 0.1% | ▼ Trim | 6 | SEC ↗ |
| 72 | Renaissance Technologies ✦ | 259.99K | -46.0% | $21.15M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 73 | Gotham Asset Management ✦ | 197.53K | -5.0% | $16.07M | 0.1% | ▼ Trim | 6 | SEC ↗ |
| 74 | Bridgewater Associates ✦ | 136.46K | New | $11.10M | 0.0% | New | 1 | SEC ↗ |
| 75 | AQR Capital Management ✦ | 129.93K | +100.1% | $10.40M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 76 | AQR Capital Management ✦ | 129.93K | +100.1% | $10.40M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 77 | AQR Capital Management ✦ | 129.93K | +100.1% | $10.40M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 78 | AQR Capital Management ✦ | 129.93K | +100.1% | $10.40M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 79 | AQR Capital Management ✦ | 129.93K | +100.1% | $10.40M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 80 | Citadel Advisors ✦ | 112.90K | -80.9% | $9.18M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 81 | Adage Capital Partners ✦ | 15.00K | New | $1.22M | 0.0% | New | 1 | SEC ↗ |
| 82 | ARK Investment Management ✦ | 742 | +378.7% | $60,354 | 0.0% | ▲ Add | 6 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Bridgewater Associates | $11.10M | 0.0% |
| Adage Capital Partners | $1.22M | 0.0% |
Exited
| Norges Bank | $146.73M | was 0.0% |
| Soros Fund Management | $31.32M | was 0.8% |
| Two Sigma Investments | $22.16M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 669 holders, 126.99M shares, $18.05B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 17
Fields Kimberly A
Officer, Director · 1.00K sh · $228,320
Aug 17
Fields Kimberly A
Officer, Director · 2.00K sh · $459,120
Aug 17
Fields Kimberly A
Officer, Director · 8.13K sh · $1.88M
Aug 17
Fields Kimberly A
Officer, Director · 9.12K sh · $2.11M
Aug 17
Fields Kimberly A
Officer, Director · 4.60K sh · $1.07M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q3 2025 ·
Methodology ·
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