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, Q1 2023
Institutional positions in Ati Inc as of Mar 31, 2023. 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
- 339
- +37 vs. Q4 2022
- Shares held
- 133.9M
- +1.71M (+1.3%) vs. Q4 2022
- Total value
- $5.29B
- +$1.34B (+33.9%) vs. Q4 2022
- New holders
- 64
- 99 more added
- Sold out
- 27
- 124 more reduced
2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2023
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Amalgamated Bank | 58,567 | $2.31M | 0.02% | −3,846−6.2% | Reduced |
| Louisiana State Employees Retirement System | 60,300 | $2.38M | 0.06% | −1,200−2.0% | Reduced |
| Register Financial Advisors LLC | 61,753 | $2.44M | 1.92% | +20,850+51.0% | Added |
| Royal Bank of Canada | 63,468 | $2.50M | 0.00% | +4,084+6.9% | Added |
| Duality Advisers, LP | 63,789 | $2.52M | 0.28% | −9,622−13.1% | Reduced |
| MetLife Investment Management | 65,019 | $2.57M | 0.02% | 00.0% | Unchanged |
| Barclays PLC | 65,341 | $2.58M | 0.00% | −27,474−29.6% | Reduced |
| Empowered Funds, LLC | 66,332 | $2.62M | 0.15% | +66,332 | New |
| Pier 88 Investment Partners LLC | 66,358 | $2.62M | 0.63% | +66,358 | New |
| Algert Global LLC | 67,368 | $2.66M | 0.13% | −23,112−25.5% | Reduced |
| Advisory Research Inc | 67,566 | $2.67M | 0.44% | +30,902+84.3% | Added |
| Voya Investment Management LLC | 67,622 | $2.67M | 0.00% | +12,701+23.1% | Added |
| State of Tennessee, Treasury Department | 68,095 | $2.69M | 0.01% | +17,637+35.0% | Added |
| American International Group, Inc. | 68,105 | $2.69M | 0.02% | +263+0.4% | Added |
| Mengis Capital Management, Inc. | 69,954 | $2.76M | 0.58% | +100+0.1% | Added |
| Buckingham Strategic Partners | 70,238 | $2.77M | 0.18% | −100.0% | Reduced |
| Gotham Asset Management, LLC | 71,535 | $2.82M | 0.07% | +50,608+241.8% | Added |
| Yousif Capital Management, LLC | 72,745 | $2.87M | 0.04% | −9,240−11.3% | Reduced |
| Oberweis Asset Management Inc | 72,900 | $2.88M | 0.45% | +15,700+27.4% | Added |
| Russell Investments Group, Ltd. | 74,670 | $2.95M | 0.01% | −2,752−3.6% | Reduced |
| State of New Jersey Common Pension Fund D | 75,109 | $2.96M | 0.01% | −4,553−5.7% | Reduced |
| TD Waterhouse Canada Inc. | 61,752 | $2.98M | 0.03% | +61,752 | New |
| Engineers Gate Manager LP | 79,822 | $3.15M | 0.13% | +66,022+478.4% | Added |
| Advisors Asset Management, Inc. | 81,967 | $3.23M | 0.07% | +30,710+59.9% | Added |
| The PNC Financial Services Group, Inc. | 82,694 | $3.26M | 0.00% | −2,053−2.4% | Reduced |
| Susquehanna International Group, LLP | 84,475 | $3.33M | 0.01% | +54,026+177.4% | Added |
| PCJ Investment Counsel Ltd. | 85,010 | $3.35M | 1.33% | +85,010 | New |
| Farmers & Merchants Investments Inc | 85,611 | $3.38M | 0.13% | −5,992−6.5% | Reduced |
| Man Group plc | – | $3.40M | 0.01% | – | New |
| Alberta Investment Management Corp | 86,450 | $3.41M | 0.03% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 88,624 | $3.50M | 0.04% | −1,494−1.7% | Reduced |
| Knights of Columbus Asset Advisors LLC | 89,537 | $3.53M | 0.35% | +14,774+19.8% | Added |
| ExodusPoint Capital Management, LP | 91,940 | $3.63M | 0.04% | +91,940 | New |
| Marshall Wace, LLP | 94,733 | $3.74M | 0.01% | +94,733 | New |
| Adage Capital Partners GP, L.L.C. | 95,245 | $3.76M | 0.01% | −11,909−11.1% | Reduced |
| NBW Capital LLC | 95,935 | $3.79M | 0.92% | −18,027−15.8% | Reduced |
| PDT Partners, LLC | 102,069 | $4.03M | 0.55% | −206−0.2% | Reduced |
| UBS Asset Management Americas Inc | 102,345 | $4.04M | 0.00% | −11,644−10.2% | Reduced |
| Two Sigma Advisers, LP | 107,100 | $4.23M | 0.01% | +84,500+373.9% | Added |
| Mutual of America Capital Management LLC | 108,322 | $4.27M | 0.05% | −20,712−16.1% | Reduced |
| Greenland Capital Management LP | 110,626 | $4.37M | 0.52% | +14,726+15.4% | Added |
| Credit Suisse AG | 112,877 | $4.45M | 0.00% | −1,569−1.4% | Reduced |
| Texas Permanent School Fund | 116,062 | $4.58M | 0.05% | +29,056+33.4% | Added |
| EAM Global Investors LLC | 122,017 | $4.81M | 1.35% | +122,017 | New |
| Two Sigma Investments, LP | 124,351 | $4.91M | 0.01% | −22,855−15.5% | Reduced |
| Great West Life Assurance Co | 125,108 | $4.93M | 0.01% | −8,388−6.3% | Reduced |
| First Trust Advisors LP | 134,010 | $5.29M | 0.01% | −8,603−6.0% | Reduced |
| Wedge Capital Management L L P | 134,259 | $5.30M | 0.09% | −8,658−6.1% | Reduced |
| Jefferies Financial Group Inc. | 134,500 | $5.31M | 0.11% | +550+0.4% | Added |
| Thrivent Financial for Lutherans | 136,755 | $5.40M | 0.01% | −12,854−8.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 137,031 | $5.41M | 0.05% | −1,475−1.1% | Reduced |
| HSBC Holdings PLC | 141,515 | $5.54M | 0.01% | −100,637−41.6% | Reduced |
| Cubist Systematic Strategies, LLC | 143,960 | $5.68M | 0.05% | +101,252+237.1% | Added |
| Intrinsic Edge Capital Management LLC | 149,500 | $5.90M | 0.60% | +149,500 | New |
| Van Eck Associates Corp | 150,173 | $5.93M | 0.01% | −3,607−2.3% | Reduced |
| Bank of Montreal | 153,268 | $6.05M | 0.00% | −5,047−3.2% | Reduced |
| California State Teachers Retirement System | 159,880 | $6.31M | 0.01% | −2,701−1.7% | Reduced |
| Sapience Investments, LLC | 167,388 | $6.61M | 1.53% | −56,654−25.3% | Reduced |
| State of Wisconsin Investment Board | 171,394 | $6.76M | 0.02% | −20,500−10.7% | Reduced |
| New York State Teachers Retirement System | 180,541 | $7.12M | 0.02% | −1,200−0.7% | Reduced |
| Assenagon Asset Management S.A. | 182,093 | $7.19M | 0.03% | +40,445+28.6% | Added |
| Lisanti Capital Growth, LLC | 193,005 | $7.62M | 1.06% | +193,005 | New |
| Schroder Investment Management Group | 195,965 | $7.73M | 0.01% | −11,755−5.7% | Reduced |
| NorthRock Partners, LLC | 198,736 | $7.84M | 0.83% | +80,525+68.1% | Added |
| Moore Capital Management, LP | 199,586 | $7.88M | 0.25% | −147,885−42.6% | Reduced |
| WS Management LLLP | 200,000 | $7.89M | 1.21% | 00.0% | Unchanged |
| UBS Group AG | 200,048 | $7.89M | 0.00% | −35,489−15.1% | Reduced |
| Apis Capital Advisors, LLC | 218,000 | $8.60M | 9.17% | +218,000 | New |
| Public Sector Pension Investment Board | 227,617 | $8.98M | 0.07% | −7,831−3.3% | Reduced |
| Centre Asset Management, LLC | 229,588 | $9.06M | 2.19% | −66,505−22.5% | Reduced |
| California Public Employees Retirement System | 230,544 | $9.10M | 0.01% | +22,144+10.6% | Added |
| BNP Paribas Arbitrage, SA | 242,538 | $9.57M | 0.02% | +57,999+31.4% | Added |
| SEI Investments Co | 244,322 | $9.64M | 0.02% | +217,786+820.7% | Added |
| Prudential Financial Inc | 248,679 | $9.81M | 0.02% | +118,485+91.0% | Added |
| Citigroup Inc | 262,155 | $10.3M | 0.01% | −158,166−37.6% | Reduced |
| Mesirow Institutional Investment Management, Inc. | 264,356 | $10.4M | 1.13% | −42,615−13.9% | Reduced |
| Castleark Management LLC | 270,680 | $10.7M | 0.52% | 00.0% | Unchanged |
| Swiss National Bank | 279,400 | $11.0M | 0.01% | −34,200−10.9% | Reduced |
| Renaissance Technologies LLC | 283,392 | $11.2M | 0.01% | +124,000+77.8% | Added |
| Telemark Asset Management, LLC | 300,000 | $11.8M | 1.76% | +250,000+500.0% | Added |
| Wells Fargo & Company | 325,412 | $12.8M | 0.00% | +240,234+282.0% | Added |
| Wellington Management Group LLP | 326,204 | $12.9M | 0.00% | +582+0.2% | Added |
| Kennedy Capital Management, Inc. | 344,233 | $13.6M | 0.40% | −47,911−12.2% | Reduced |
| Legal & General Group Plc | 379,786 | $15.0M | 0.01% | −330−0.1% | Reduced |
| Lazard Asset Management LLC | 388,412 | $15.3M | 0.02% | −19,220−4.7% | Reduced |
| Rhumbline Advisers | 392,327 | $15.5M | 0.02% | +16,841+4.5% | Added |
| Royce & Associates LP | 399,360 | $15.8M | 0.16% | −122,479−23.5% | Reduced |
| Millennium Management LLC | 438,047 | $17.3M | 0.02% | −579,678−57.0% | Reduced |
| Gamco Investors, Inc. Et Al | 441,442 | $17.4M | 0.19% | −82,416−15.7% | Reduced |
| Nuveen Asset Management, LLC | 454,138 | $17.9M | 0.01% | +23,718+5.5% | Added |
| JPMorgan Chase & Co | 472,911 | $18.7M | 0.00% | +176,296+59.4% | Added |
| New York State Common Retirement Fund | 476,303 | $18.8M | 0.03% | −115,825−19.6% | Reduced |
| Bank of America Corp | 493,683 | $19.5M | 0.00% | +55,868+12.8% | Added |
| Deutsche Bank AG | 516,075 | $20.4M | 0.01% | +239,396+86.5% | Added |
| Citadel Advisors LLC | 543,640 | $21.5M | 0.02% | +104,206+23.7% | Added |
| Sasco Capital Inc | 558,226 | $22.0M | 2.71% | −312,910−35.9% | Reduced |
| Loomis Sayles & Co L P | 568,591 | $22.4M | 0.04% | +568,591 | New |
| Victory Capital Management Inc | 585,568 | $23.1M | 0.03% | −39,695−6.3% | Reduced |
| Point72 Asset Management, L.P. | 622,132 | $24.5M | 0.09% | −80,424−11.4% | Reduced |
| KLCM Advisors, Inc. | 633,090 | $25.0M | 4.96% | −585,084−48.0% | Reduced |