ATI
ATI Inc. · Industrials · Manufacturing - Metal Fabrication
Momentum inputs (comparable managers):
holder breadth +5.3% ·
share flow +9.7% ·
net new positions +5.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| 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 | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Capital World Investors ✦ | 6.88M | +100.5% | $378.43M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 5.97M | — | $328.62M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 2.15M | +10.1% | $118.39M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 2.15M | +10.1% | $118.39M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | Norges Bank ✦ (passive) | 1.55M | -13.3% | $85.05M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 6 | D. E. Shaw & Co. ✦ | 1.46M | +14.1% | $80.56M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 7 | D. E. Shaw & Co. ✦ | 1.46M | +14.1% | $80.56M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 8 | T. Rowe Price ✦ | 1.13M | +0.5% | $62.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | T. Rowe Price ✦ | 1.13M | +0.5% | $62.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | Point72 Asset Management ✦ | 797.81K | +39.6% | $43.91M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 11 | Marshall Wace ✦ | 699.07K | -15.0% | $38.48M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 12 | Marshall Wace ✦ | 699.07K | -15.0% | $38.48M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 13 | Fisher Asset Management ✦ | 663.73K | +0.8% | $36.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Wellington Management ✦ | 451.23K | -19.5% | $24.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 15 | Wellington Management ✦ | 451.23K | -19.5% | $24.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 16 | Wellington Management ✦ | 451.23K | -19.5% | $24.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 17 | GAMCO Investors ✦ | 405.70K | -0.8% | $22.33M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 18 | Soros Fund Management ✦ | 391.50K | +98.3% | $21.55M | 0.5% | ▲ Add | 3 | SEC ↗ |
| 19 | Citadel Advisors ✦ | 390.75K | +54.0% | $21.51M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | Citadel Advisors ✦ | 390.75K | +54.0% | $21.51M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 278.35K | +51.1% | $15.32M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 22 | AQR Capital Management ✦ | 278.35K | +51.1% | $15.32M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 23 | AQR Capital Management ✦ | 278.35K | +51.1% | $15.32M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 24 | Two Sigma Investments ✦ | 236.95K | -72.8% | $13.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 25 | Gotham Asset Management ✦ | 178.42K | +57.7% | $9.82M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 26 | Renaissance Technologies ✦ | 178.19K | +102.0% | $9.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | Millennium Management ✦ | 99.94K | -93.7% | $5.50M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 28 | Bridgewater Associates ✦ | 76.73K | New | $4.22M | 0.0% | New | 1 | SEC ↗ |
| 29 | ARK Investment Management ✦ | 1.43K | -14.8% | $78,432 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Bridgewater Associates | $4.22M | 0.0% |
Exited
| No tracked exits this quarter. |
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.
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)
Officer, Director · 1.00K sh · $228,320
Officer, Director · 2.00K sh · $459,120
Officer, Director · 8.13K sh · $1.88M
Officer, Director · 9.12K sh · $2.11M
Officer, Director · 4.60K sh · $1.07M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology