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 2021
Institutional positions in Ati Inc as of Sep 30, 2021. 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
- 236
- +1 vs. Q2 2021
- Shares held
- 132.8M
- +164.8K (+0.1%) vs. Q2 2021
- Total value
- $2.21B
- −$556.4M (−20.1%) vs. Q2 2021
- New holders
- 27
- 73 more added
- Sold out
- 26
- 90 more reduced
2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 20,206,754 | $336.0M | 0.01% | −315,305−1.5% | Reduced |
| Vanguard Group Inc | 13,824,861 | $229.9M | 0.01% | +101,618+0.7% | Added |
| Capital International Investors | 11,087,434 | $184.4M | 0.04% | +310,713+2.9% | Added |
| State Street Corp | 8,943,998 | $148.7M | 0.01% | +283,377+3.3% | Added |
| Channing Capital Management, LLC | 4,934,974 | $82.1M | 2.55% | +610,565+14.1% | Added |
| Dimensional Fund Advisors LP | 4,845,539 | $80.6M | 0.03% | −1,608,589−24.9% | Reduced |
| D. E. Shaw & Co., Inc. | 4,039,159 | $67.2M | 0.09% | +240,270+6.3% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 3,870,955 | $64.4M | 0.21% | −44,052−1.1% | Reduced |
| Capital International Inc | 3,099,786 | $51.5M | 0.50% | +557,047+21.9% | Added |
| Ameriprise Financial Inc | 2,979,662 | $49.6M | 0.02% | −35,075−1.2% | Reduced |
| Capital World Investors | 2,589,437 | $43.1M | 0.01% | 00.0% | Unchanged |
| Fisher Asset Management, LLC | 2,435,145 | $40.5M | 0.03% | −82,984−3.3% | Reduced |
| Geode Capital Management, LLC | 2,129,087 | $35.4M | 0.00% | +23,250+1.1% | Added |
| FMR LLC | 2,072,470 | $34.5M | 0.00% | −1,431,708−40.9% | Reduced |
| Victory Capital Management Inc | 2,039,837 | $33.9M | 0.03% | +551,144+37.0% | Added |
| Neuberger Berman Group LLC | 2,024,619 | $33.7M | 0.03% | +609,259+43.0% | Added |
| Millennium Management LLC | 1,683,028 | $28.0M | 0.04% | +1,124,613+201.4% | Added |
| KLCM Advisors, Inc. | 1,626,185 | $27.0M | 5.81% | +208,997+14.7% | Added |
| Northern Trust Corp | 1,577,109 | $26.2M | 0.00% | −58,605−3.6% | Reduced |
| Sasco Capital Inc | 1,502,626 | $25.0M | 3.05% | +81,100+5.7% | Added |
| Bank of New York Mellon Corp | 1,460,341 | $24.3M | 0.00% | −3,597−0.2% | Reduced |
| Frontier Capital Management Co LLC | 1,409,122 | $23.4M | 0.18% | −591,115−29.6% | Reduced |
| Charles Schwab Investment Management Inc | 1,402,968 | $23.3M | 0.01% | −47,734−3.3% | Reduced |
| Goldman Sachs Group Inc | 1,348,216 | $22.4M | 0.01% | +4,386+0.3% | Added |
| Morgan Stanley | 1,313,422 | $21.8M | 0.00% | −84,282−6.0% | Reduced |
| Norges Bank | 1,245,613 | $20.7M | 0.00% | +16,297+1.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,150,952 | $19.1M | 0.05% | +193,267+20.2% | Added |
| Royce & Associates LP | 1,143,737 | $19.0M | 0.14% | −150,488−11.6% | Reduced |
| New York State Common Retirement Fund | 1,057,586 | $17.6M | 0.02% | +354,563+50.4% | Added |
| Principal Financial Group Inc | 888,192 | $14.8M | 0.01% | −9,813−1.1% | Reduced |
| JPMorgan Chase & Co | 840,542 | $14.0M | 0.00% | +33,911+4.2% | Added |
| Citigroup Inc | 820,182 | $13.6M | 0.01% | +130,320+18.9% | Added |
| Invesco Ltd. | 787,551 | $13.1M | 0.00% | −1,166,731−59.7% | Reduced |
| Sapience Investments, LLC | 724,735 | $12.1M | 1.43% | +289,250+66.4% | Added |
| Two Sigma Advisers, LP | 674,200 | $11.2M | 0.03% | −547,500−44.8% | Reduced |
| Point72 Asset Management, L.P. | 647,800 | $10.8M | 0.05% | +647,800 | New |
| WS Management LLLP | 575,000 | $9.56M | 1.20% | 00.0% | Unchanged |
| Mountaineer Partners Management, LLC | 562,282 | $9.35M | 6.11% | +125,443+28.7% | Added |
| Wellington Management Group LLP | 554,301 | $9.22M | 0.00% | −202,236−26.7% | Reduced |
| Gamco Investors, Inc. Et Al | 546,500 | $9.09M | 0.08% | 00.0% | Unchanged |
| Jefferies Group LLC | 540,000 | $8.98M | 0.22% | −30,089−5.3% | Reduced |
| HSBC Holdings PLC | 530,303 | $8.98M | 0.01% | +101,048+23.5% | Added |
| Edgestream Partners, L.P. | 526,246 | $8.75M | 0.54% | +235,644+81.1% | Added |
| Kennedy Capital Management, Inc. | 499,449 | $8.31M | 0.19% | +57,636+13.0% | Added |
| Voloridge Investment Management, LLC | 479,089 | $7.97M | 0.05% | +432,758+934.1% | Added |
| Nuveen Asset Management, LLC | 463,918 | $7.78M | 0.00% | −27,531−5.6% | Reduced |
| MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income | 441,690 | $7.34M | 0.85% | −2,700−0.6% | Reduced |
| Deutsche Bank AG | 435,772 | $7.25M | 0.00% | +73,087+20.2% | Added |
| Graham Capital Management, L.P. | 404,008 | $6.72M | 0.40% | +184,877+84.4% | Added |
| Legal & General Group Plc | 362,162 | $6.02M | 0.00% | −31,033−7.9% | Reduced |
| Rhumbline Advisers | 342,133 | $5.69M | 0.01% | −50,580−12.9% | Reduced |
| Bank of Montreal | 327,016 | $5.53M | 0.00% | −988−0.3% | Reduced |
| Nishkama Capital, LLC | 322,373 | $5.36M | 1.75% | +172,564+115.2% | Added |
| Roubaix Capital, LLC | 315,266 | $5.24M | 3.44% | +159,483+102.4% | Added |
| Wedge Capital Management L L P | 315,107 | $5.24M | 0.07% | +315,107 | New |
| Cubist Systematic Strategies, LLC | 308,337 | $5.13M | 0.06% | −94,732−23.5% | Reduced |
| Jones Road Capital Management, L.P. | 301,600 | $5.02M | 3.43% | +50,000+19.9% | Added |
| Citadel Advisors LLC | 292,347 | $4.86M | 0.01% | −361,510−55.3% | Reduced |
| Swiss National Bank | 281,000 | $4.67M | 0.00% | +1,500+0.5% | Added |
| Parametric Portfolio Associates LLC | 267,027 | $4.44M | 0.00% | −22,413−7.7% | Reduced |
| Public Sector Pension Investment Board | 257,120 | $4.28M | 0.03% | −2,810−1.1% | Reduced |
| Bank of America Corp | 245,046 | $4.07M | 0.00% | −346,218−58.6% | Reduced |
| Parallax Volatility Advisers, L.P. | 222,609 | $3.70M | 0.04% | +222,609 | New |
| SG Americas Securities, LLC | 201,205 | $3.35M | 0.02% | +176,564+716.5% | Added |
| Bridgeway Capital Management, LLC | 197,300 | $3.28M | 0.06% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 194,792 | $3.24M | 0.00% | +194,792 | New |
| Comerica Bank | 202,196 | $3.23M | 0.02% | +82,760+69.3% | Added |
| New York State Teachers Retirement System | 183,041 | $3.04M | 0.01% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 180,503 | $3.00M | 0.00% | −8,460−4.5% | Reduced |
| California State Teachers Retirement System | 172,892 | $2.88M | 0.00% | −2,560−1.5% | Reduced |
| Two Sigma Investments, LP | 172,767 | $2.87M | 0.01% | +46,293+36.6% | Added |
| Duality Advisers, LP | 152,378 | $2.53M | 0.19% | +125,501+466.9% | Added |
| American Century Companies Inc | 151,696 | $2.52M | 0.00% | −171,113−53.0% | Reduced |
| Squarepoint Ops LLC | 150,157 | $2.50M | 0.02% | +139,187+1,268.8% | Added |
| Farmers & Merchants Investments Inc | 149,969 | $2.49M | 0.11% | −433−0.3% | Reduced |
| Blueshift Asset Management, LLC | 148,306 | $2.47M | 0.14% | +42,532+40.2% | Added |
| State of New Jersey Common Pension Fund D | 144,980 | $2.41M | 0.01% | +37,207+34.5% | Added |
| Prudential Financial Inc | 135,846 | $2.26M | 0.00% | −1,770−1.3% | Reduced |
| BNP Paribas Arbitrage, SA | 134,502 | $2.24M | 0.01% | +86,043+177.6% | Added |
| UBS Asset Management Americas Inc | 133,908 | $2.23M | 0.00% | −50,371−27.3% | Reduced |
| First Trust Advisors LP | 131,367 | $2.19M | 0.00% | −93,737−41.6% | Reduced |
| NorthRock Partners, LLC | 128,796 | $2.14M | 0.18% | −550.0% | Reduced |
| Wells Fargo & Company | 128,169 | $2.13M | 0.00% | −49,397−27.8% | Reduced |
| Van Eck Associates Corp | 125,082 | $2.08M | 0.01% | −13,324−9.6% | Reduced |
| The PNC Financial Services Group, Inc. | 119,540 | $1.99M | 0.00% | −37,610−23.9% | Reduced |
| Thrivent Financial for Lutherans | 118,306 | $1.97M | 0.00% | −110,261−48.2% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 116,837 | $1.94M | 0.04% | +51,044+77.6% | Added |
| Knights of Columbus Asset Advisors LLC | 115,614 | $1.92M | 0.17% | +433+0.4% | Added |
| Great West Life Assurance Co | 112,039 | $1.88M | 0.00% | +2,310+2.1% | Added |
| Ensign Peak Advisors, Inc | 106,706 | $1.77M | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 105,234 | $1.75M | 0.00% | −16,656−13.7% | Reduced |
| Barclays PLC | 103,866 | $1.73M | 0.00% | +6,213+6.4% | Added |
| HITE Hedge Asset Management LLC | 102,264 | $1.70M | 0.21% | +5,247+5.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 96,480 | $1.60M | 0.02% | −1,137−1.2% | Reduced |
| Marshall Wace, LLP | 94,523 | $1.57M | 0.01% | +60,626+178.9% | Added |
| Texas Permanent School Fund | 94,128 | $1.56M | 0.02% | −667−0.7% | Reduced |
| State of Alaska, Department of Revenue | 92,873 | $1.54M | 0.02% | +4,848+5.5% | Added |
| Federated Hermes, Inc. | 91,632 | $1.52M | 0.00% | +4,473+5.1% | Added |
| SEI Investments Co | 86,675 | $1.44M | 0.00% | +12,258+16.5% | Added |
| Diametric Capital, LP | 85,752 | $1.43M | 1.12% | −23,644−21.6% | Reduced |