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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 20,321,966 | $801.9M | 0.02% | −565,385−2.7% | Reduced |
| Vanguard Group Inc | 14,563,477 | $574.7M | 0.01% | +93,081+0.6% | Added |
| Capital International Investors | 13,375,066 | $527.8M | 0.14% | +422,613+3.3% | Added |
| State Street Corp | 6,996,206 | $276.1M | 0.02% | +37,920+0.5% | Added |
| Alliancebernstein L.P. | 4,197,947 | $165.7M | 0.07% | −2,843,920−40.4% | Reduced |
| Frontier Capital Management Co LLC | 3,595,166 | $141.9M | 1.47% | +46,960+1.3% | Added |
| Ameriprise Financial Inc | 3,200,954 | $126.3M | 0.04% | −149,606−4.5% | Reduced |
| D. E. Shaw & Co., Inc. | 2,711,158 | $107.0M | 0.17% | −594,732−18.0% | Reduced |
| FMR LLC | 2,634,906 | $104.0M | 0.01% | +904,881+52.3% | Added |
| Dimensional Fund Advisors LP | 2,442,275 | $96.4M | 0.03% | −70,166−2.8% | Reduced |
| Invesco Ltd. | 2,426,105 | $95.7M | 0.03% | +1,461,233+151.4% | Added |
| Geode Capital Management, LLC | 2,357,077 | $93.0M | 0.01% | +101,022+4.5% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 2,201,317 | $86.9M | 0.34% | −220,123−9.1% | Reduced |
| Driehaus Capital Management LLC | 2,165,215 | $85.4M | 1.20% | +93,321+4.5% | Added |
| Goldman Sachs Group Inc | 2,044,356 | $80.7M | 0.02% | +154,726+8.2% | Added |
| Channing Capital Management, LLC | 1,850,492 | $73.0M | 2.35% | −800,861−30.2% | Reduced |
| Norges Bank | 1,572,764 | $62.1M | 0.01% | −112,958−6.7% | Reduced |
| Morgan Stanley | 1,457,550 | $57.5M | 0.01% | +288,252+24.7% | Added |
| Bowen Hanes & Co Inc | 1,438,745 | $56.8M | 1.95% | −42,110−2.8% | Reduced |
| Kensico Capital Management Corp | 1,430,300 | $56.4M | 2.52% | +634,300+79.7% | Added |
| Northern Trust Corp | 1,333,524 | $52.6M | 0.01% | +15,029+1.1% | Added |
| Anomaly Capital Management, LP | 1,251,442 | $49.4M | 2.17% | +1,251,442 | New |
| 1832 Asset Management L.P. | 1,249,350 | $49.3M | 0.10% | +1,249,350 | New |
| Charles Schwab Investment Management Inc | 1,198,445 | $47.3M | 0.01% | −30,359−2.5% | Reduced |
| Bank of New York Mellon Corp | 1,192,111 | $47.0M | 0.01% | −60,677−4.8% | Reduced |
| Capital International Inc | 1,163,913 | $45.9M | 0.92% | −265,086−18.6% | Reduced |
| Federated Hermes, Inc. | 1,125,389 | $44.4M | 0.11% | +123,311+12.3% | Added |
| Capital Group Investment Management Pte. Ltd. | 1,090,953 | $43.0M | 2.30% | −823,050−43.0% | Reduced |
| Macquarie Group Ltd | 1,074,643 | $42.4M | 0.05% | +18,086+1.7% | Added |
| Neuberger Berman Group LLC | 1,061,412 | $41.9M | 0.04% | −79,837−7.0% | Reduced |
| Capital World Investors | 970,000 | $38.3M | 0.01% | −380,000−28.1% | Reduced |
| Fisher Asset Management, LLC | 961,477 | $37.9M | 0.02% | −29,461−3.0% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 909,019 | $35.9M | 0.08% | −96,036−9.6% | Reduced |
| Allspring Global Investments Holdings, LLC | 895,224 | $35.3M | 0.06% | +891,017+21,179.4% | Added |
| Principal Financial Group Inc | 780,393 | $30.8M | 0.02% | −16,467−2.1% | Reduced |
| American Century Companies Inc | 734,892 | $29.0M | 0.02% | +32,044+4.6% | Added |
| Balyasny Asset Management LLC | 725,345 | $28.6M | 0.09% | +380,020+110.0% | Added |
| Price T Rowe Associates Inc | 712,994 | $28.1M | 0.00% | +662,166+1,302.8% | Added |
| KLCM Advisors, Inc. | 633,090 | $25.0M | 4.96% | −585,084−48.0% | Reduced |
| Point72 Asset Management, L.P. | 622,132 | $24.5M | 0.09% | −80,424−11.4% | Reduced |
| Victory Capital Management Inc | 585,568 | $23.1M | 0.03% | −39,695−6.3% | Reduced |
| Loomis Sayles & Co L P | 568,591 | $22.4M | 0.04% | +568,591 | New |
| Sasco Capital Inc | 558,226 | $22.0M | 2.71% | −312,910−35.9% | Reduced |
| Citadel Advisors LLC | 543,640 | $21.5M | 0.02% | +104,206+23.7% | Added |
| Deutsche Bank AG | 516,075 | $20.4M | 0.01% | +239,396+86.5% | Added |
| Bank of America Corp | 493,683 | $19.5M | 0.00% | +55,868+12.8% | Added |
| New York State Common Retirement Fund | 476,303 | $18.8M | 0.03% | −115,825−19.6% | Reduced |
| JPMorgan Chase & Co | 472,911 | $18.7M | 0.00% | +176,296+59.4% | Added |
| Nuveen Asset Management, LLC | 454,138 | $17.9M | 0.01% | +23,718+5.5% | Added |
| Gamco Investors, Inc. Et Al | 441,442 | $17.4M | 0.19% | −82,416−15.7% | Reduced |
| Millennium Management LLC | 438,047 | $17.3M | 0.02% | −579,678−57.0% | Reduced |
| Royce & Associates LP | 399,360 | $15.8M | 0.16% | −122,479−23.5% | Reduced |
| Rhumbline Advisers | 392,327 | $15.5M | 0.02% | +16,841+4.5% | Added |
| Lazard Asset Management LLC | 388,412 | $15.3M | 0.02% | −19,220−4.7% | Reduced |
| Legal & General Group Plc | 379,786 | $15.0M | 0.01% | −330−0.1% | Reduced |
| Kennedy Capital Management, Inc. | 344,233 | $13.6M | 0.40% | −47,911−12.2% | Reduced |
| Wellington Management Group LLP | 326,204 | $12.9M | 0.00% | +582+0.2% | Added |
| Wells Fargo & Company | 325,412 | $12.8M | 0.00% | +240,234+282.0% | Added |
| Telemark Asset Management, LLC | 300,000 | $11.8M | 1.76% | +250,000+500.0% | Added |
| Renaissance Technologies LLC | 283,392 | $11.2M | 0.01% | +124,000+77.8% | Added |
| Swiss National Bank | 279,400 | $11.0M | 0.01% | −34,200−10.9% | Reduced |
| Castleark Management LLC | 270,680 | $10.7M | 0.52% | 00.0% | Unchanged |
| Mesirow Institutional Investment Management, Inc. | 264,356 | $10.4M | 1.13% | −42,615−13.9% | Reduced |
| Citigroup Inc | 262,155 | $10.3M | 0.01% | −158,166−37.6% | Reduced |
| Prudential Financial Inc | 248,679 | $9.81M | 0.02% | +118,485+91.0% | Added |
| SEI Investments Co | 244,322 | $9.64M | 0.02% | +217,786+820.7% | Added |
| BNP Paribas Arbitrage, SA | 242,538 | $9.57M | 0.02% | +57,999+31.4% | Added |
| California Public Employees Retirement System | 230,544 | $9.10M | 0.01% | +22,144+10.6% | Added |
| Centre Asset Management, LLC | 229,588 | $9.06M | 2.19% | −66,505−22.5% | Reduced |
| Public Sector Pension Investment Board | 227,617 | $8.98M | 0.07% | −7,831−3.3% | Reduced |
| Apis Capital Advisors, LLC | 218,000 | $8.60M | 9.17% | +218,000 | New |
| UBS Group AG | 200,048 | $7.89M | 0.00% | −35,489−15.1% | Reduced |
| WS Management LLLP | 200,000 | $7.89M | 1.21% | 00.0% | Unchanged |
| Moore Capital Management, LP | 199,586 | $7.88M | 0.25% | −147,885−42.6% | Reduced |
| NorthRock Partners, LLC | 198,736 | $7.84M | 0.83% | +80,525+68.1% | Added |
| Schroder Investment Management Group | 195,965 | $7.73M | 0.01% | −11,755−5.7% | Reduced |
| Lisanti Capital Growth, LLC | 193,005 | $7.62M | 1.06% | +193,005 | New |
| Assenagon Asset Management S.A. | 182,093 | $7.19M | 0.03% | +40,445+28.6% | Added |
| New York State Teachers Retirement System | 180,541 | $7.12M | 0.02% | −1,200−0.7% | Reduced |
| State of Wisconsin Investment Board | 171,394 | $6.76M | 0.02% | −20,500−10.7% | Reduced |
| Sapience Investments, LLC | 167,388 | $6.61M | 1.53% | −56,654−25.3% | Reduced |
| California State Teachers Retirement System | 159,880 | $6.31M | 0.01% | −2,701−1.7% | Reduced |
| Bank of Montreal | 153,268 | $6.05M | 0.00% | −5,047−3.2% | Reduced |
| Van Eck Associates Corp | 150,173 | $5.93M | 0.01% | −3,607−2.3% | Reduced |
| Intrinsic Edge Capital Management LLC | 149,500 | $5.90M | 0.60% | +149,500 | New |
| Cubist Systematic Strategies, LLC | 143,960 | $5.68M | 0.05% | +101,252+237.1% | Added |
| HSBC Holdings PLC | 141,515 | $5.54M | 0.01% | −100,637−41.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 137,031 | $5.41M | 0.05% | −1,475−1.1% | Reduced |
| Thrivent Financial for Lutherans | 136,755 | $5.40M | 0.01% | −12,854−8.6% | Reduced |
| Jefferies Financial Group Inc. | 134,500 | $5.31M | 0.11% | +550+0.4% | Added |
| Wedge Capital Management L L P | 134,259 | $5.30M | 0.09% | −8,658−6.1% | Reduced |
| First Trust Advisors LP | 134,010 | $5.29M | 0.01% | −8,603−6.0% | Reduced |
| Great West Life Assurance Co | 125,108 | $4.93M | 0.01% | −8,388−6.3% | Reduced |
| Two Sigma Investments, LP | 124,351 | $4.91M | 0.01% | −22,855−15.5% | Reduced |
| EAM Global Investors LLC | 122,017 | $4.81M | 1.35% | +122,017 | New |
| Texas Permanent School Fund | 116,062 | $4.58M | 0.05% | +29,056+33.4% | Added |
| Credit Suisse AG | 112,877 | $4.45M | 0.00% | −1,569−1.4% | Reduced |
| Greenland Capital Management LP | 110,626 | $4.37M | 0.52% | +14,726+15.4% | Added |
| Mutual of America Capital Management LLC | 108,322 | $4.27M | 0.05% | −20,712−16.1% | Reduced |
| Two Sigma Advisers, LP | 107,100 | $4.23M | 0.01% | +84,500+373.9% | Added |