Security record · archived quarter
ATI
ATI Inc. · Industrials · Manufacturing - Metal Fabrication
22Tracked holders
-1Δ holders
57.72MShares held
$4.98BReported value
+0New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth -4.3% ·
share flow -0.5% ·
net new positions -4.5%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 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 · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 14.95M | — | $1.29B | 0.0% | n/c | 1 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 13.33M | — | $1.15B | 0.0% | n/c | 1 | SEC ↗ |
| 20 | The Vanguard Group ✦ (passive) | 13.33M | — | $1.15B | 0.0% | n/c | 1 | SEC ↗ |
| 21 | The Vanguard Group ✦ (passive) | 13.33M | — | $1.15B | 0.0% | n/c | 1 | SEC ↗ |
| 22 | The Vanguard Group ✦ (passive) | 13.33M | — | $1.15B | 0.0% | n/c | 1 | SEC ↗ |
| 23 | The Vanguard Group ✦ (passive) | 13.33M | — | $1.15B | 0.0% | n/c | 1 | SEC ↗ |
| 24 | The Vanguard Group ✦ (passive) | 13.33M | — | $1.15B | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Capital World Investors ✦ | 6.82M | -2.3% | $588.87M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 26 | State Street Global Advisors ✦ (passive) | 5.63M | -2.5% | $485.81M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 27 | D. E. Shaw & Co. ✦ | 3.51M | +114.4% | $303.39M | 0.3% | ▲ Add | 5 | SEC ↗ |
| 28 | D. E. Shaw & Co. ✦ | 3.51M | +114.4% | $303.39M | 0.3% | ▲ Add | 5 | SEC ↗ |
| 29 | Fidelity (FMR) ✦ | 3.41M | — | $294.75M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Fidelity (FMR) ✦ | 3.41M | — | $294.75M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Fidelity (FMR) ✦ | 3.41M | — | $294.75M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Fidelity (FMR) ✦ | 3.41M | — | $294.75M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Fidelity (FMR) ✦ | 3.41M | — | $294.75M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Fidelity (FMR) ✦ | 3.41M | — | $294.75M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Geode Capital Management ✦ (passive) | 2.44M | +2.4% | $210.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 36 | Geode Capital Management ✦ (passive) | 2.44M | +2.4% | $210.35M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 37 | Norges Bank ✦ (passive) | 1.70M | +15.7% | $146.73M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 38 | T. Rowe Price ✦ | 1.14M | +21.3% | $98.31M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 39 | T. Rowe Price ✦ | 1.14M | +21.3% | $98.31M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 40 | Point72 Asset Management ✦ | 786.26K | -23.6% | $67.89M | 0.2% | ▼ Trim | 5 | SEC ↗ |
| 41 | Fisher Asset Management ✦ | 627.98K | -3.6% | $54.22M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 42 | Citadel Advisors ✦ | 592.48K | -44.4% | $51.15M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 43 | Citadel Advisors ✦ | 592.48K | -44.4% | $51.15M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 44 | Renaissance Technologies ✦ | 481.69K | +177.0% | $41.59M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 45 | Wellington Management ✦ | 467.37K | -9.8% | $40.35M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 46 | Wellington Management ✦ | 467.37K | -9.8% | $40.35M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 47 | Wellington Management ✦ | 467.37K | -9.8% | $40.35M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 48 | GAMCO Investors ✦ | 400.80K | -0.2% | $34.61M | 0.3% | ▼ Trim | 5 | SEC ↗ |
| 49 | Soros Fund Management ✦ | 362.69K | -40.9% | $31.32M | 0.8% | ▼ Trim | 5 | SEC ↗ |
| 50 | Millennium Management ✦ | 288.82K | -78.9% | $24.94M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 51 | Marshall Wace ✦ | 259.39K | -57.4% | $22.40M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 52 | Marshall Wace ✦ | 259.39K | -57.4% | $22.40M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 53 | Two Sigma Investments ✦ | 256.65K | +86.7% | $22.16M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 54 | Gotham Asset Management ✦ | 207.92K | +11.2% | $17.95M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 55 | AQR Capital Management ✦ | 64.94K | +20.2% | $5.61M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 56 | AQR Capital Management ✦ | 64.94K | +20.2% | $5.61M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 57 | AQR Capital Management ✦ | 64.94K | +20.2% | $5.61M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 58 | AQR Capital Management ✦ | 64.94K | +20.2% | $5.61M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 59 | ARK Investment Management ✦ | 155 | -90.0% | $13,383 | 0.0% | ▼ Trim | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Bridgewater Associates | $16.55M | was 0.1% |
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: Q2 2025 ·
Methodology ·
Get this via the API