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, Q3 2023
Institutional positions in Ati Inc as of Sep 30, 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
- 338
- +11 vs. Q2 2023
- Shares held
- 133.1M
- −1.47M (−1.1%) vs. Q2 2023
- Total value
- $5.48B
- −$469.1M (−7.9%) vs. Q2 2023
- New holders
- 38
- 105 more added
- Sold out
- 27
- 135 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Amalgamated Bank | 57,424 | $2.36M | 0.02% | −1,062−1.8% | Reduced |
| Alberta Investment Management Corp | 57,866 | $2.38M | 0.03% | −9,793−14.5% | Reduced |
| Janus Henderson Group PLC | 60,910 | $2.51M | 0.00% | +40.0% | Added |
| UBS Group AG | 61,291 | $2.52M | 0.00% | −218,594−78.1% | Reduced |
| Register Financial Advisors LLC | 61,353 | $2.52M | 1.85% | −100−0.2% | Reduced |
| Royal Bank of Canada | 61,740 | $2.54M | 0.00% | +11,186+22.1% | Added |
| Farmers & Merchants Investments Inc | 62,525 | $2.57M | 0.10% | −8,115−11.5% | Reduced |
| State of Tennessee, Treasury Department | 62,598 | $2.58M | 0.01% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 63,822 | $2.63M | 0.03% | −4,207−6.2% | Reduced |
| Louisiana State Employees Retirement System | 65,400 | $2.69M | 0.06% | −2,100−3.1% | Reduced |
| Covea Finance | 66,000 | $2.72M | 0.15% | −5,500−7.7% | Reduced |
| Manufacturers Life Insurance Company, The | 66,182 | $2.72M | 0.00% | +14,171+27.2% | Added |
| Concentric Capital Strategies, LP | 66,473 | $2.74M | 0.31% | +19,725+42.2% | Added |
| Algert Global LLC | 67,368 | $2.77M | 0.13% | 00.0% | Unchanged |
| MetLife Investment Management | 68,000 | $2.80M | 0.02% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 68,152 | $2.80M | 0.10% | +48,176+241.2% | Added |
| Buckingham Strategic Partners | 70,241 | $2.89M | 0.14% | +70,241 | New |
| American International Group, Inc. | 70,782 | $2.91M | 0.02% | +1,510+2.2% | Added |
| Mengis Capital Management, Inc. | 71,602 | $2.95M | 0.61% | +748+1.1% | Added |
| Advisors Asset Management, Inc. | 71,680 | $2.95M | 0.06% | +5,329+8.0% | Added |
| Illinois Municipal Retirement Fund | 74,395 | $3.06M | 0.06% | +74,395 | New |
| State of New Jersey Common Pension Fund D | 75,109 | $3.09M | 0.01% | 00.0% | Unchanged |
| Greenland Capital Management LP | 77,934 | $3.21M | 0.38% | −73,107−48.4% | Reduced |
| Wedge Capital Management L L P | 78,952 | $3.25M | 0.06% | −41,095−34.2% | Reduced |
| State of Alaska, Department of Revenue | 80,059 | $3.29M | 0.04% | −4,522−5.3% | Reduced |
| EAM Global Investors LLC | 81,617 | $3.36M | 0.91% | +81,617 | New |
| Voya Investment Management LLC | 82,180 | $3.38M | 0.00% | +11,648+16.5% | Added |
| The PNC Financial Services Group, Inc. | 83,834 | $3.45M | 0.00% | −435−0.5% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 85,966 | $3.54M | 0.03% | −59,341−40.8% | Reduced |
| Citadel Advisors LLC | 91,026 | $3.75M | 0.00% | +12,134+15.4% | Added |
| Jane Street Group, LLC | 92,521 | $3.81M | 0.01% | −8,478−8.4% | Reduced |
| Comerica Bank | 94,044 | $3.87M | 0.02% | +94,044 | New |
| Oberweis Asset Management Inc | 95,000 | $3.91M | 0.42% | −11,800−11.0% | Reduced |
| PDT Partners, LLC | 96,481 | $3.97M | 0.50% | −2,788−2.8% | Reduced |
| NBW Capital LLC | 96,484 | $3.97M | 0.97% | −303−0.3% | Reduced |
| Telemark Asset Management, LLC | 100,000 | $4.12M | 0.62% | −90,000−47.4% | Reduced |
| Barclays PLC | 101,048 | $4.16M | 0.00% | +22,446+28.6% | Added |
| Point72 Asset Management, L.P. | 103,100 | $4.24M | 0.01% | −261,459−71.7% | Reduced |
| Advisory Research Inc | 103,382 | $4.25M | 0.59% | +19,757+23.6% | Added |
| Man Group plc | – | $4.48M | 0.01% | – | – |
| Texas Permanent School Fund | 109,206 | $4.49M | 0.04% | −3,979−3.5% | Reduced |
| Great West Life Assurance Co | 113,441 | $4.67M | 0.01% | −1,033−0.9% | Reduced |
| Russell Investments Group, Ltd. | 114,878 | $4.73M | 0.01% | +44,476+63.2% | Added |
| Renaissance Technologies LLC | 115,492 | $4.75M | 0.01% | −70,008−37.7% | Reduced |
| Moody Aldrich Partners LLC | 116,701 | $4.80M | 0.91% | +4,831+4.3% | Added |
| BNP Paribas Arbitrage, SA | 118,000 | $4.86M | 0.01% | −760−0.6% | Reduced |
| Thrivent Financial for Lutherans | 120,352 | $4.95M | 0.01% | −3,811−3.1% | Reduced |
| Knights of Columbus Asset Advisors LLC | 120,556 | $4.96M | 0.45% | +1,088+0.9% | Added |
| Sapience Investments, LLC | 122,187 | $5.03M | 1.21% | −2,870−2.3% | Reduced |
| HSBC Holdings PLC | 127,419 | $5.31M | 0.01% | +46,869+58.2% | Added |
| Van Eck Associates Corp | 129,275 | $5.32M | 0.01% | −1,746−1.3% | Reduced |
| Credit Suisse AG | 129,655 | $5.34M | 0.01% | +1,809+1.4% | Added |
| Deutsche Bank AG | 134,198 | $5.52M | 0.00% | −97,359−42.0% | Reduced |
| Mutual of America Capital Management LLC | 135,869 | $5.59M | 0.07% | +2,248+1.7% | Added |
| California State Teachers Retirement System | 142,155 | $5.85M | 0.01% | −13,888−8.9% | Reduced |
| First Trust Advisors LP | 145,615 | $5.99M | 0.01% | −5,017−3.3% | Reduced |
| Prudential Financial Inc | 150,373 | $6.19M | 0.01% | −74,427−33.1% | Reduced |
| Lisanti Capital Growth, LLC | 155,525 | $6.40M | 1.01% | +81,580+110.3% | Added |
| Public Sector Pension Investment Board | 158,929 | $6.54M | 0.05% | −69,245−30.3% | Reduced |
| State of Wisconsin Investment Board | 159,352 | $6.56M | 0.02% | −15,903−9.1% | Reduced |
| New York State Teachers Retirement System | 173,111 | $7.12M | 0.02% | −5,830−3.3% | Reduced |
| Citigroup Inc | 183,611 | $7.56M | 0.01% | −49,110−21.1% | Reduced |
| Jefferies Financial Group Inc. | 184,230 | $7.58M | 0.19% | +34,230+22.8% | Added |
| NorthRock Partners, LLC | 198,736 | $8.18M | 0.86% | 00.0% | Unchanged |
| Schroder Investment Management Group | 199,544 | $8.21M | 0.01% | −3,610−1.8% | Reduced |
| WS Management LLLP | 200,000 | $8.23M | 1.06% | 00.0% | Unchanged |
| Castleark Management LLC | 206,700 | $8.51M | 0.43% | −41,530−16.7% | Reduced |
| Woodline Partners LP | 212,877 | $8.76M | 0.10% | −231,797−52.1% | Reduced |
| Crestline Management, LP | 234,729 | $9.66M | 1.15% | +90,869+63.2% | Added |
| Mountaineer Partners Management, LLC | 249,960 | $10.3M | 6.59% | +1,131+0.5% | Added |
| Mesirow Institutional Investment Management, Inc. | 250,340 | $10.3M | 1.04% | −56,123−18.3% | Reduced |
| California Public Employees Retirement System | 262,795 | $10.8M | 0.01% | +30,862+13.3% | Added |
| Cartenna Capital, LP | 265,000 | $10.9M | 1.59% | +265,000 | New |
| JPMorgan Chase & Co | 278,961 | $11.5M | 0.00% | −75,429−21.3% | Reduced |
| Swiss National Bank | 282,600 | $11.6M | 0.01% | +2,800+1.0% | Added |
| Kennedy Capital Management, Inc. | 293,646 | $12.1M | 0.29% | −11,455−3.8% | Reduced |
| Wellington Management Group LLP | 297,818 | $12.3M | 0.00% | −6,831−2.2% | Reduced |
| Royce & Associates LP | 308,800 | $12.7M | 0.13% | −3,960−1.3% | Reduced |
| Putnam Investments LLC | 316,402 | $13.0M | 0.02% | +4,720+1.5% | Added |
| Wells Fargo & Company | 336,651 | $13.9M | 0.00% | −32,115−8.7% | Reduced |
| Apis Capital Advisors, LLC | 346,000 | $14.2M | 18.46% | −1,000−0.3% | Reduced |
| Millennium Management LLC | 346,886 | $14.3M | 0.01% | −179,845−34.1% | Reduced |
| 1832 Asset Management L.P. | 359,725 | $14.8M | 0.03% | +292,129+432.2% | Added |
| Lazard Asset Management LLC | 361,205 | $14.9M | 0.02% | +2,197+0.6% | Added |
| UBS Asset Management Americas Inc | 377,815 | $15.5M | 0.01% | +275,470+269.2% | Added |
| Rhumbline Advisers | 388,101 | $16.0M | 0.02% | +3,221+0.8% | Added |
| Bank of America Corp | 392,181 | $16.1M | 0.00% | +4,367+1.1% | Added |
| Emerald Mutual Fund Advisers Trust | 393,880 | $16.2M | 0.98% | 00.0% | Unchanged |
| SEI Investments Co | 394,049 | $16.2M | 0.03% | +126,626+47.4% | Added |
| Legal & General Group Plc | 398,434 | $16.4M | 0.01% | −5,378−1.3% | Reduced |
| Gamco Investors, Inc. Et Al | 433,142 | $17.8M | 0.21% | −8,500−1.9% | Reduced |
| Nuveen Asset Management, LLC | 450,557 | $18.5M | 0.01% | −3,323−0.7% | Reduced |
| Hawk Ridge Capital Management LP | 455,098 | $18.7M | 0.92% | +455,098 | New |
| New York State Common Retirement Fund | 459,925 | $18.9M | 0.03% | +31,567+7.4% | Added |
| Sasco Capital Inc | 473,546 | $19.5M | 2.51% | −78,420−14.2% | Reduced |
| American Century Companies Inc | 514,802 | $21.2M | 0.02% | −64,073−11.1% | Reduced |
| Emerald Advisers, LLC | 558,505 | $23.0M | 1.11% | +2,905+0.5% | Added |
| KLCM Advisors, Inc. | 615,651 | $25.3M | 4.76% | −18,084−2.9% | Reduced |
| Principal Financial Group Inc | 687,501 | $28.3M | 0.02% | −44,439−6.1% | Reduced |
| Loomis Sayles & Co L P | 719,618 | $29.6M | 0.05% | +8,554+1.2% | Added |