Ati Inc
ATI- Exchange
- NYSE
- Industry
- Steel Pipe & Tubes
- SEC CIK
- 0001018963
In the last 90 days, Ati Inc insiders filed 0 open-market purchases and 9 sales; 795 institutions reported holding it in 13F filings for Q2 2026, worth $25.1B in total; 3 superinvestors hold it, including Viking Global Investors and Soros Fund Management.
13F holders, Q4 2022
Institutional positions in Ati Inc as of Dec 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 304
- +16 vs. Q3 2022
- Shares held
- 132.3M
- +1.11M (+0.8%) vs. Q3 2022
- Total value
- $3.95B
- +$459.7M (+13.2%) vs. Q3 2022
- New holders
- 49
- 90 more added
- Sold out
- 33
- 120 more reduced
2 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ATI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 795 | $25.1B |
| Q1 2026 | 678 | $18.5B |
| Q4 2025 | 570 | $14.7B |
| Q3 2025 | 470 | $10.5B |
| Q2 2025 | 473 | $11.6B |
| Q1 2025 | 426 | $6.97B |
| Q4 2024 | 403 | $7.51B |
| Q3 2024 | 421 | $8.89B |
| Q2 2024 | 403 | $7.33B |
| Q1 2024 | 345 | $6.89B |
| Q4 2023 | 349 | $6.10B |
| Q3 2023 | 338 | $5.48B |
| Q2 2023 | 329 | $5.95B |
| Q1 2023 | 339 | $5.29B |
| Q4 2022 | 304 | $3.95B |
| Q3 2022 | 290 | $3.49B |
| Q2 2022 | 266 | $3.02B |
| Q1 2022 | 284 | $3.51B |
| Q4 2021 | 241 | $2.10B |
| Q3 2021 | 236 | $2.21B |
| Q2 2021 | 237 | $2.77B |
| Q1 2021 | 234 | $2.72B |
Institutions, Q4 2022
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 20,887,351 | $623.7M | 0.02% | +489,463+2.4% | Added |
| Vanguard Group Inc | 14,470,396 | $432.1M | 0.01% | +115,995+0.8% | Added |
| Capital International Investors | 12,952,453 | $386.8M | 0.10% | +1,129,903+9.6% | Added |
| Alliancebernstein L.P. | 7,041,867 | $210.3M | 0.09% | −367,256−5.0% | Reduced |
| State Street Corp | 6,958,286 | $207.8M | 0.01% | +244,924+3.6% | Added |
| Frontier Capital Management Co LLC | 3,548,206 | $105.9M | 1.15% | +2,065,244+139.3% | Added |
| Ameriprise Financial Inc | 3,350,560 | $100.0M | 0.03% | +206,959+6.6% | Added |
| D. E. Shaw & Co., Inc. | 3,305,890 | $98.7M | 0.17% | −91,207−2.7% | Reduced |
| Channing Capital Management, LLC | 2,651,353 | $79.2M | 2.52% | −140,944−5.0% | Reduced |
| Dimensional Fund Advisors LP | 2,512,441 | $75.0M | 0.03% | −265,798−9.6% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 2,421,440 | $72.3M | 0.27% | −9,222−0.4% | Reduced |
| Geode Capital Management, LLC | 2,256,055 | $67.4M | 0.01% | +81,073+3.7% | Added |
| Driehaus Capital Management LLC | 2,071,894 | $61.9M | 0.92% | −194,595−8.6% | Reduced |
| Capital Group Investment Management Pte. Ltd. | 1,914,003 | $57.2M | 2.20% | +1,914,003 | New |
| Goldman Sachs Group Inc | 1,889,630 | $56.4M | 0.02% | −562,028−22.9% | Reduced |
| FMR LLC | 1,730,025 | $51.7M | 0.01% | +473,896+37.7% | Added |
| Norges Bank | 1,685,722 | $50.3M | 0.01% | +547,199+48.1% | Added |
| Bowen Hanes & Co Inc | 1,480,855 | $44.2M | 1.57% | −13,310−0.9% | Reduced |
| Capital International Inc | 1,428,999 | $42.7M | 0.92% | −811−0.1% | Reduced |
| Capital World Investors | 1,350,000 | $40.3M | 0.01% | 00.0% | Unchanged |
| Northern Trust Corp | 1,318,495 | $39.4M | 0.01% | +43,006+3.4% | Added |
| Bank of New York Mellon Corp | 1,252,788 | $37.4M | 0.01% | −35,304−2.7% | Reduced |
| Charles Schwab Investment Management Inc | 1,228,804 | $36.7M | 0.01% | −122,123−9.0% | Reduced |
| KLCM Advisors, Inc. | 1,218,174 | $36.4M | 7.39% | +28,675+2.4% | Added |
| Morgan Stanley | 1,169,298 | $34.9M | 0.00% | −62,880−5.1% | Reduced |
| Neuberger Berman Group LLC | 1,141,249 | $34.1M | 0.03% | −188,954−14.2% | Reduced |
| Macquarie Group Ltd | 1,056,557 | $31.5M | 0.04% | +20,125+1.9% | Added |
| Millennium Management LLC | 1,017,725 | $30.4M | 0.03% | −88,197−8.0% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 1,005,055 | $30.0M | 0.08% | −55,421−5.2% | Reduced |
| Federated Hermes, Inc. | 1,002,078 | $29.9M | 0.08% | −54,467−5.2% | Reduced |
| Fisher Asset Management, LLC | 990,938 | $29.6M | 0.02% | −1,525,825−60.6% | Reduced |
| Invesco Ltd. | 964,872 | $28.8M | 0.01% | +112,210+13.2% | Added |
| Sasco Capital Inc | 871,136 | $26.0M | 3.31% | −1,740−0.2% | Reduced |
| Principal Financial Group Inc | 796,860 | $23.8M | 0.02% | −7,795−1.0% | Reduced |
| Kensico Capital Management Corp | 796,000 | $23.8M | 1.13% | −34,000−4.1% | Reduced |
| American Century Companies Inc | 702,848 | $21.0M | 0.02% | +52,685+8.1% | Added |
| Point72 Asset Management, L.P. | 702,556 | $21.0M | 0.08% | +484,547+222.3% | Added |
| Victory Capital Management Inc | 625,263 | $18.7M | 0.02% | +12,841+2.1% | Added |
| New York State Common Retirement Fund | 592,128 | $17.7M | 0.02% | −20,020−3.3% | Reduced |
| Schonfeld Strategic Advisors LLC | 560,946 | $16.7M | 0.14% | −187,186−25.0% | Reduced |
| Gamco Investors, Inc. Et Al | 523,858 | $15.6M | 0.17% | −342−0.1% | Reduced |
| Royce & Associates LP | 521,839 | $15.6M | 0.16% | −26,100−4.8% | Reduced |
| Citadel Advisors LLC | 439,434 | $13.1M | 0.02% | −388,723−46.9% | Reduced |
| Bank of America Corp | 437,815 | $13.1M | 0.00% | −59,680−12.0% | Reduced |
| Nuveen Asset Management, LLC | 430,420 | $12.9M | 0.00% | −5,354−1.2% | Reduced |
| Citigroup Inc | 420,321 | $12.6M | 0.02% | −58,964−12.3% | Reduced |
| Lazard Asset Management LLC | 407,632 | $12.2M | 0.02% | +407,632 | New |
| Kennedy Capital Management, Inc. | 392,144 | $11.7M | 0.33% | −22,325−5.4% | Reduced |
| Legal & General Group Plc | 380,116 | $11.4M | 0.00% | +5,787+1.5% | Added |
| Rhumbline Advisers | 375,486 | $11.2M | 0.02% | +6,823+1.9% | Added |
| Moore Capital Management, LP | 347,471 | $10.4M | 0.29% | +188,280+118.3% | Added |
| Balyasny Asset Management LLC | 345,325 | $10.3M | 0.04% | −273,791−44.2% | Reduced |
| Wellington Management Group LLP | 325,622 | $9.72M | 0.00% | +20,751+6.8% | Added |
| Swiss National Bank | 313,600 | $9.36M | 0.01% | +19,200+6.5% | Added |
| Mesirow Institutional Investment Management, Inc. | 306,971 | $9.17M | 1.21% | −1,010−0.3% | Reduced |
| JPMorgan Chase & Co | 296,615 | $8.86M | 0.00% | −65,822−18.2% | Reduced |
| Centre Asset Management, LLC | 296,093 | $8.84M | 2.34% | −21,405−6.7% | Reduced |
| Deutsche Bank AG | 276,679 | $8.26M | 0.00% | −115,224−29.4% | Reduced |
| Castleark Management LLC | 270,680 | $8.08M | 0.42% | +4,120+1.5% | Added |
| HSBC Holdings PLC | 242,152 | $7.25M | 0.01% | −164,221−40.4% | Reduced |
| UBS Group AG | 235,537 | $7.03M | 0.00% | +177,912+308.7% | Added |
| Public Sector Pension Investment Board | 235,448 | $7.03M | 0.06% | −2,665−1.1% | Reduced |
| Sapience Investments, LLC | 224,042 | $6.69M | 1.40% | −22,585−9.2% | Reduced |
| Squarepoint Ops LLC | 218,625 | $6.53M | 0.05% | +218,625 | New |
| Edgestream Partners, L.P. | 211,431 | $6.31M | 0.71% | +53,959+34.3% | Added |
| California Public Employees Retirement System | 208,400 | $6.22M | 0.01% | +43,756+26.6% | Added |
| Schroder Investment Management Group | 207,720 | $6.20M | 0.01% | +195,965+1,667.1% | Added |
| WS Management LLLP | 200,000 | $5.97M | 0.91% | 00.0% | Unchanged |
| Mountaineer Partners Management, LLC | 195,589 | $5.84M | 5.54% | −14,918−7.1% | Reduced |
| Voloridge Investment Management, LLC | 192,336 | $5.74M | 0.03% | −322,931−62.7% | Reduced |
| State of Wisconsin Investment Board | 191,894 | $5.73M | 0.02% | −6,944−3.5% | Reduced |
| BNP Paribas Arbitrage, SA | 184,539 | $5.51M | 0.01% | −137,289−42.7% | Reduced |
| New York State Teachers Retirement System | 181,741 | $5.43M | 0.01% | 00.0% | Unchanged |
| California State Teachers Retirement System | 162,581 | $4.85M | 0.01% | +6,748+4.3% | Added |
| Bank of Montreal | 158,315 | $4.84M | 0.00% | −388−0.2% | Reduced |
| Renaissance Technologies LLC | 159,392 | $4.76M | 0.01% | −415,300−72.3% | Reduced |
| Van Eck Associates Corp | 153,780 | $4.59M | 0.01% | +28,491+22.7% | Added |
| Thrivent Financial for Lutherans | 149,609 | $4.47M | 0.01% | +15,327+11.4% | Added |
| Two Sigma Investments, LP | 147,206 | $4.40M | 0.01% | −140,367−48.8% | Reduced |
| Wedge Capital Management L L P | 142,917 | $4.27M | 0.07% | −594−0.4% | Reduced |
| First Trust Advisors LP | 142,613 | $4.26M | 0.01% | +142,613 | New |
| Assenagon Asset Management S.A. | 141,648 | $4.23M | 0.02% | −1,338,078−90.4% | Reduced |
| Comerica Bank | 120,730 | $4.20M | 0.03% | −20,746−14.7% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 138,506 | $4.14M | 0.03% | +20,149+17.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 138,112 | $4.12M | 0.02% | +138,112 | New |
| Jefferies Financial Group Inc. | 133,950 | $4.00M | 0.07% | +133,950 | New |
| Great West Life Assurance Co | 133,496 | $3.99M | 0.01% | −10,753−7.5% | Reduced |
| Prudential Financial Inc | 130,194 | $3.89M | 0.01% | −5,705−4.2% | Reduced |
| Mutual of America Capital Management LLC | 129,034 | $3.85M | 0.05% | +103,192+399.3% | Added |
| NorthRock Partners, LLC | 118,211 | $3.53M | 0.40% | −45,000−27.6% | Reduced |
| Credit Suisse AG | 114,446 | $3.42M | 0.00% | +9,308+8.9% | Added |
| UBS Asset Management Americas Inc | 113,989 | $3.40M | 0.00% | +8,656+8.2% | Added |
| NBW Capital LLC | 113,962 | $3.40M | 0.87% | +40,954+56.1% | Added |
| Adage Capital Partners GP, L.L.C. | 107,154 | $3.20M | 0.01% | +17,879+20.0% | Added |
| PEAK6 Investments LLC | 105,701 | $3.16M | 0.17% | +105,701 | New |
| PDT Partners, LLC | 102,275 | $3.05M | 0.49% | −20,539−16.7% | Reduced |
| Greenland Capital Management LP | 95,900 | $2.86M | 0.52% | +95,900 | New |
| Barclays PLC | 92,815 | $2.77M | 0.00% | +22,668+32.3% | Added |
| Farmers & Merchants Investments Inc | 91,603 | $2.74M | 0.11% | −820−0.9% | Reduced |
| Algert Global LLC | 90,480 | $2.70M | 0.15% | +90,480 | New |