Security record · archived quarter
ATI
ATI Inc. · Industrials · Manufacturing - Metal Fabrication
146Tracked holders
0Δ holders
103.32MShares held
$15.00BReported value
+8New positions
−9Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +1.3% · net new positions -0.7% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 3 | 0 | 877.66K | $165.60M | n/a | −2 |
| Q2 2026 | 150 | +8 | 101.07M | $19.89B | +13 | −6 |
| 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 | n/a | −1 |
| Q1 2025 | 20 | 0 | 26.30M | $1.37B | n/a | n/a |
| Q4 2024 | 20 | +1 | 23.98M | $1.32B | +1 | n/a |
| Q3 2024 | 18 | 0 | 15.90M | $1.06B | n/a | n/a |
| Q2 2024 | 18 | n/a | 15.27M | $846.69M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 16.44M | +12.1% | $2.39B | 0.0% | ▲ Add | 4 | SEC ↗ ×18 |
| 2 | Capital Research Global Investors | 6.16M | +70.6% | $895.96M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 3 | Vanguard Capital Management Llc | 6.12M | n/a | $890.82M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Capital International Investors | 5.88M | -65.6% | $854.87M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 5 | Capital World Investors ✦ | 5.71M | -22.3% | $831.00M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 6 | State Street Global Advisors ✦ (passive) | 5.38M | -3.9% | $782.72M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 7 | Fidelity (FMR) ✦ | 5.25M | +3.4% | $763.25M | 0.0% | ▲ Add | 4 | SEC ↗ ×6 |
| 8 | Invesco Ltd. | 3.86M | +13.9% | $560.84M | 0.1% | ▲ Add | 2 | SEC ↗ ×13 |
| 9 | Viking Global Investors ✦ | 3.33M | New | $484.80M | 1.4% | New | 1 | SEC ↗ |
| 10 | Geode Capital Management ✦ (passive) | 2.95M | +21.8% | $428.81M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 11 | Point72 Asset Management ✦ | 1.93M | +154.2% | $281.11M | 0.5% | ▲ Add | 8 | SEC ↗ |
| 12 | D. E. Shaw & Co. ✦ | 1.74M | -13.8% | $253.48M | 0.2% | ▼ Trim | 8 | SEC ↗ ×2 |
| 13 | Morgan Stanley ✦ | 1.67M | +30.0% | $242.71M | 0.0% | ▲ Add | 3 | SEC ↗ ×17 |
| 14 | Charles Schwab Investment… | 1.50M | +1.0% | $218.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | Jane Street Group, Llc | 1.49M | +438.0% | $216.92M | 0.2% | ▲ Add | 2 | SEC ↗ ×3 |
| 16 | UBS Group AG | 1.42M | +18.9% | $206.42M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 17 | Dimensional Fund Advisors Lp | 1.37M | -35.7% | $198.72M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 18 | Bank Of America Corp /De/ | 1.36M | +70.8% | $198.54M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 19 | Northern Trust Corp | 1.24M | +5.5% | $180.23M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 20 | Arrowstreet Capital ✦ | 1.20M | +231.4% | $175.09M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 1.22M | +19.9% | $174.13M | 0.1% | ▲ Add | 8 | SEC ↗ ×8 |
| 22 | Holocene Advisors, LP | 1.10M | +2.4% | $159.66M | 0.4% | ▲ Add | 2 | SEC ↗ |
| 23 | American Century Companies Inc | 1.07M | -32.8% | $155.54M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 24 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 1.03M | +2.5% | $150.21M | 0.2% | ▲ Add | 2 | SEC ↗ ×2 |
| 25 | Ameriprise Financial Inc | 998.83K | -19.7% | $145.29M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 26 | Fisher Asset Management ✦ | 924.52K | +1.8% | $134.48M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 27 | Bank of New York Mellon Corp | 869.18K | -4.8% | $126.43M | 0.0% | ▼ Trim | 2 | SEC ↗ ×15 |
| 28 | Qube Research & Technologies Ltd | 858.82K | +99.6% | $124.92M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 29 | Balyasny Asset Management L.P. | 851.66K | +118.4% | $123.88M | 0.3% | ▲ Add | 2 | SEC ↗ |
| 30 | Pnc Financial Services Group, Inc. | 831.74K | +1714.0% | $120.98M | 0.1% | ▲ Add | 2 | SEC ↗ ×5 |
| 31 | Prudential Financial Inc | 809.97K | +1.7% | $117.82M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 32 | Loomis Sayles & Co L P | 653.42K | -30.2% | $95.05M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 33 | Bnp Paribas Financial Markets | 652.00K | +66.0% | $94.84M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 34 | Raymond James Financial Inc | 638.71K | -20.5% | $92.49M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 35 | Millennium Management ✦ | 619.24K | +22.2% | $90.07M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 36 | Assenagon Asset Management S.A. | 584.03K | +2162.1% | $84.95M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 37 | Nuveen, LLC | 578.62K | +5.7% | $84.17M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 38 | Federated Hermes, Inc. | 545.53K | -0.1% | $79.35M | 0.1% | ▼ Trim | 2 | SEC ↗ ×3 |
| 39 | Allspring Global Investments… | 520.25K | -13.8% | $78.69M | 0.1% | ▼ Trim | 2 | SEC ↗ ×3 |
| 40 | Marshall Wace ✦ | 536.48K | -14.6% | $78.04M | 0.1% | ▼ Trim | 8 | SEC ↗ ×3 |
| 41 | Neuberger Berman Group LLC | 494.93K | -39.8% | $71.99M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 42 | Bank Of Nova Scotia | 467.15K | +92.9% | $67.95M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 43 | Alliancebernstein L.P. | 575.53K | +87.8% | $66.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Goldman Sachs Group ✦ | 447.82K | +23.6% | $65.14M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 45 | JPMorgan Chase ✦ | 407.42K | +14.8% | $55.21M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 46 | Schroder Investment Management Group | 402.59K | n/a | $54.55M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 47 | GAMCO Investors ✦ | 361.50K | -5.6% | $52.58M | 0.5% | ▼ Trim | 8 | SEC ↗ |
| 48 | UBS AM, a distinct business unit of… | 354.74K | +0.7% | $51.60M | 0.0% | ▲ Add | 2 | SEC ↗ ×8 |
| 49 | Rhumbline Advisers | 354.37K | +2.0% | $51.55M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | Wells Fargo & Company/Mn | 351.14K | +61.3% | $51.08M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 51 | T. Rowe Price ✦ | 328.73K | -34.0% | $47.82M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 52 | Citadel Advisors ✦ | 303.30K | +195.3% | $44.12M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 53 | Principal Financial Group Inc | 303.16K | +3.8% | $44.10M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 54 | Swiss National Bank | 268.80K | -1.1% | $39.10M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 55 | Allianz Asset Management GmbH | 267.83K | +10.4% | $38.96M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 56 | Amundi | 261.19K | +775.0% | $37.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 57 | Gotham Asset Management ✦ | 260.49K | -10.5% | $37.89M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 58 | California Public Employees… | 253.80K | -0.3% | $36.92M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 59 | Hrt Financial Lp | 252.90K | +294.6% | $36.79M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 60 | Blair William & Co/Il | 237.00K | +437.4% | $34.47M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 61 | Envestnet Asset Management Inc | 215.78K | +240.8% | $31.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Legal & General Group Plc | 212.00K | -5.7% | $30.84M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 63 | State Of Wisconsin Investment Board | 201.96K | -11.7% | $29.38M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 64 | Royal Bank Of Canada | 171.03K | +124.3% | $24.88M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 65 | Canada Pension Plan Investment Board | 167.73K | -31.7% | $24.40M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | LPL Financial LLC | 165.57K | +148.5% | $24.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | California State Teachers… | 157.76K | +21.0% | $22.95M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | 1832 Asset Management L.P. | 151.51K | -48.5% | $22.04M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 69 | Nomura Asset Management… | 117.12K | -51.1% | $17.04M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Russell Investments Group, Ltd. | 109.25K | +263.9% | $15.89M | 0.0% | ▲ Add | 2 | SEC ↗ ×8 |
| 71 | Deutsche Bank Ag\ | 107.89K | -2.9% | $15.69M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 72 | CIBC Bancorp USA Inc. | 106.92K | n/a | $15.55M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 73 | Tidal Investments LLC | 103.67K | +444.8% | $15.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 74 | Barclays Plc | 99.33K | -28.8% | $14.45M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 75 | State Board Of Administration Of… | 98.53K | -1.7% | $14.33M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | First Trust Advisors Lp | 93.15K | +14.6% | $13.55M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | Stifel Financial Corp | 92.62K | -5.1% | $13.47M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 78 | Sei Investments Co | 90.05K | -24.7% | $13.10M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 79 | Tudor Investment Corp Et Al | 88.94K | New | $12.94M | 0.1% | New | 1 | SEC ↗ |
| 80 | Healthcare Of Ontario Pension Plan… | 87.04K | +62.8% | $12.66M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | Northwestern Mutual Wealth… | 79.31K | +188.0% | $11.54M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 82 | Wellington Management ✦ | 75.75K | -79.9% | $11.02M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 83 | Citigroup Inc | 75.62K | -19.5% | $11.00M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 84 | Mariner, LLC | 72.49K | +34.0% | $10.54M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | Manufacturers Life Insurance… | 69.57K | -25.8% | $10.12M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 86 | Credit Agricole S A | 66.02K | +69.2% | $9.60M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 87 | New York State Common Retirement… | 63.44K | -2.3% | $9.23M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 88 | Janus Henderson Group Plc | 60.51K | 0.0% | $8.80M | 0.0% | Held | 2 | SEC ↗ |
| 89 | Man Group plc | 59.53K | -54.8% | $8.66M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 90 | Soros Fund Management ✦ | 52.83K | New | $7.68M | 0.1% | New | 1 | SEC ↗ |
| 91 | Zurcher Kantonalbank (Zurich… | 52.26K | +19.0% | $7.60M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 92 | Nordea Investment Management Ab | 50.46K | -4.3% | $7.17M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 93 | Fifth Third Bancorp | 48.90K | +3506.1% | $7.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 94 | Jones Financial Companies Lllp | 49.71K | +218.3% | $6.98M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 95 | Voya Investment Management Llc | 47.25K | +13.7% | $6.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 96 | Td Asset Management Inc | 45.57K | -4.6% | $6.63M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 97 | Asset Management One Co., Ltd. | 42.22K | -0.4% | $6.09M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 98 | Cerity Partners LLC | 41.65K | +22.6% | $6.06M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 99 | Quantinno Capital Management LP | 40.46K | +22.7% | $5.89M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 100 | Creative Planning | 39.64K | +22.1% | $5.77M | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Viking Global Investors | $484.80M | 1.4% |
| Tudor Investment Corp Et Al | $12.94M | 0.1% |
| Soros Fund Management | $7.68M | 0.1% |
Exited
| Norges Bank | $198.79M | was 0.0% |
| Connor, Clark & Lunn… | $11.58M | was 0.0% |
| Mackenzie Financial Corp | $2.19M | was 0.0% |
| Toronto Dominion Bank | $2.04M | was 0.0% |
| Simplex Trading, Llc | $1.10M | was 0.0% |
| Walleye Trading LLC | $1.07M | was 0.0% |
| Group One Trading Llc | $418,989 | was 0.0% |
| Cibc World Market Inc. | $230,668 | was 0.0% |
| Kayne Anderson Rudnick… | $1,721 | 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)
Sep 21
Harris Timothy J
Officer · 9.00K sh · $1.73M
Sep 14
Harris Timothy J
Officer · 16.50K sh · $3.19M
Sep 08
Harris Timothy J
Officer · 16.50K sh · $3.42M
Sep 02
Morehouse David J
Director · 2.48K sh · $501,001
Aug 31
Harris Timothy J
Officer · 16.50K sh · $3.47M
Aug 24
Harris Timothy J
Officer · 16.50K sh · $3.41M
Aug 17
Fields Kimberly A
Officer, Director · 1.00K sh · $228,320
Aug 17
Fields Kimberly A
Officer, Director · 4.60K sh · $1.07M
Aug 17
Fields Kimberly A
Officer, Director · 9.12K sh · $2.11M
Aug 17
Fields Kimberly A
Officer, Director · 8.13K sh · $1.88M
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: Q1 2026 ·
Methodology ·
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