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 |
|---|---|---|---|---|---|
| Quadrature Capital Ltd | 28,395 | $472.0K | 0.02% | +4,973+21.2% | Added |
| Marshall Wace North America L.P. | 28,587 | $475.0K | 0.00% | +28,587 | New |
| Stifel Financial Corp | 30,522 | $508.0K | 0.00% | +2,118+7.5% | Added |
| MUFG Securities EMEA plc | 32,461 | $540.0K | 0.01% | +32,461 | New |
| Metropolitan Life Insurance Co | 33,765 | $561.5K | 0.01% | −1,947−5.5% | Reduced |
| Arizona State Retirement System | 34,649 | $576.0K | 0.00% | +177+0.5% | Added |
| HRT Financial LP | 36,257 | $602.0K | 0.00% | −154,880−81.0% | Reduced |
| CoreCommodity Management, LLC | 36,477 | $607.0K | 0.17% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 36,935 | $615.0K | 0.01% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 37,700 | $627.0K | 0.01% | +37,700 | New |
| D.A. Davidson & Co. | 38,495 | $640.0K | 0.01% | +245+0.6% | Added |
| LMR Partners LLP | 39,663 | $660.0K | 0.01% | −4,978−11.2% | Reduced |
| Alpha Paradigm Partners, LLC | 40,880 | $680.0K | 0.27% | −23,247−36.3% | Reduced |
| State of Tennessee, Treasury Department | 40,852 | $680.0K | 0.00% | −4,353−9.6% | Reduced |
| Susquehanna International Group, LLP | 42,693 | $710.0K | 0.00% | −186,583−81.4% | Reduced |
| Royal Bank of Canada | 44,158 | $734.0K | 0.00% | +2,570+6.2% | Added |
| MetLife Investment Management | 45,517 | $756.9K | 0.01% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 47,197 | $785.0K | 0.26% | +47,197 | New |
| Gsa Capital Partners LLP | 48,348 | $804.0K | 0.08% | +48,348 | New |
| Oregon Public Employees Retirement Fund | 51,203 | $852.0K | 0.01% | −200−0.4% | Reduced |
| Maryland State Retirement & Pension System | 50,380 | $861.0K | 0.02% | +50,380 | New |
| Jade Capital Advisors, LLC | 55,000 | $915.0K | 0.56% | +55,000 | New |
| State Board of Administration of Florida Retirement System | 55,168 | $917.0K | 0.00% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 60,074 | $999.0K | 0.05% | −9,647−13.8% | Reduced |
| Louisiana State Employees Retirement System | 61,300 | $1.02M | 0.02% | +3,900+6.8% | Added |
| Voya Investment Management LLC | 61,796 | $1.03M | 0.00% | +333+0.5% | Added |
| Virtue Capital Management, LLC | 63,691 | $1.06M | 0.19% | −1,620−2.5% | Reduced |
| Amalgamated Bank | 64,676 | $1.08M | 0.01% | −1,244−1.9% | Reduced |
| Manufacturers Life Insurance Company, The | 65,958 | $1.10M | 0.00% | −5,230−7.3% | Reduced |
| Price T Rowe Associates Inc | 66,433 | $1.10M | 0.00% | +80.0% | Added |
| Jane Street Group, LLC | 68,040 | $1.13M | 0.00% | −199,733−74.6% | Reduced |
| Mengis Capital Management, Inc. | 70,254 | $1.17M | 0.25% | 00.0% | Unchanged |
| Man Group plc | 71,962 | $1.20M | 0.00% | +24,733+52.4% | Added |
| Oarsman Capital, Inc. | 73,095 | $1.22M | 0.49% | −11,900−14.0% | Reduced |
| Quantbot Technologies LP | 74,557 | $1.24M | 0.09% | +60,568+433.0% | Added |
| American International Group, Inc. | 79,940 | $1.33M | 0.01% | −2,768−3.3% | Reduced |
| Diametric Capital, LP | 85,752 | $1.43M | 1.12% | −23,644−21.6% | Reduced |
| SEI Investments Co | 86,675 | $1.44M | 0.00% | +12,258+16.5% | Added |
| Federated Hermes, Inc. | 91,632 | $1.52M | 0.00% | +4,473+5.1% | Added |
| State of Alaska, Department of Revenue | 92,873 | $1.54M | 0.02% | +4,848+5.5% | Added |
| Texas Permanent School Fund | 94,128 | $1.56M | 0.02% | −667−0.7% | Reduced |
| Marshall Wace, LLP | 94,523 | $1.57M | 0.01% | +60,626+178.9% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 96,480 | $1.60M | 0.02% | −1,137−1.2% | Reduced |
| HITE Hedge Asset Management LLC | 102,264 | $1.70M | 0.21% | +5,247+5.4% | Added |
| Barclays PLC | 103,866 | $1.73M | 0.00% | +6,213+6.4% | Added |
| Credit Suisse AG | 105,234 | $1.75M | 0.00% | −16,656−13.7% | Reduced |
| Ensign Peak Advisors, Inc | 106,706 | $1.77M | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 112,039 | $1.88M | 0.00% | +2,310+2.1% | Added |
| Knights of Columbus Asset Advisors LLC | 115,614 | $1.92M | 0.17% | +433+0.4% | Added |
| Weiss Multi-Strategy Advisers LLC | 116,837 | $1.94M | 0.04% | +51,044+77.6% | Added |
| Thrivent Financial for Lutherans | 118,306 | $1.97M | 0.00% | −110,261−48.2% | Reduced |
| The PNC Financial Services Group, Inc. | 119,540 | $1.99M | 0.00% | −37,610−23.9% | Reduced |
| Van Eck Associates Corp | 125,082 | $2.08M | 0.01% | −13,324−9.6% | Reduced |
| Wells Fargo & Company | 128,169 | $2.13M | 0.00% | −49,397−27.8% | Reduced |
| NorthRock Partners, LLC | 128,796 | $2.14M | 0.18% | −550.0% | Reduced |
| First Trust Advisors LP | 131,367 | $2.19M | 0.00% | −93,737−41.6% | Reduced |
| UBS Asset Management Americas Inc | 133,908 | $2.23M | 0.00% | −50,371−27.3% | Reduced |
| BNP Paribas Arbitrage, SA | 134,502 | $2.24M | 0.01% | +86,043+177.6% | Added |
| Prudential Financial Inc | 135,846 | $2.26M | 0.00% | −1,770−1.3% | Reduced |
| State of New Jersey Common Pension Fund D | 144,980 | $2.41M | 0.01% | +37,207+34.5% | Added |
| Blueshift Asset Management, LLC | 148,306 | $2.47M | 0.14% | +42,532+40.2% | Added |
| Farmers & Merchants Investments Inc | 149,969 | $2.49M | 0.11% | −433−0.3% | Reduced |
| Squarepoint Ops LLC | 150,157 | $2.50M | 0.02% | +139,187+1,268.8% | Added |
| American Century Companies Inc | 151,696 | $2.52M | 0.00% | −171,113−53.0% | Reduced |
| Duality Advisers, LP | 152,378 | $2.53M | 0.19% | +125,501+466.9% | Added |
| Two Sigma Investments, LP | 172,767 | $2.87M | 0.01% | +46,293+36.6% | Added |
| California State Teachers Retirement System | 172,892 | $2.88M | 0.00% | −2,560−1.5% | Reduced |
| Alliancebernstein L.P. | 180,503 | $3.00M | 0.00% | −8,460−4.5% | Reduced |
| New York State Teachers Retirement System | 183,041 | $3.04M | 0.01% | 00.0% | Unchanged |
| Comerica Bank | 202,196 | $3.23M | 0.02% | +82,760+69.3% | Added |
| Renaissance Technologies LLC | 194,792 | $3.24M | 0.00% | +194,792 | New |
| Bridgeway Capital Management, LLC | 197,300 | $3.28M | 0.06% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 201,205 | $3.35M | 0.02% | +176,564+716.5% | Added |
| Parallax Volatility Advisers, L.P. | 222,609 | $3.70M | 0.04% | +222,609 | New |
| Bank of America Corp | 245,046 | $4.07M | 0.00% | −346,218−58.6% | Reduced |
| Public Sector Pension Investment Board | 257,120 | $4.28M | 0.03% | −2,810−1.1% | Reduced |
| Parametric Portfolio Associates LLC | 267,027 | $4.44M | 0.00% | −22,413−7.7% | Reduced |
| Swiss National Bank | 281,000 | $4.67M | 0.00% | +1,500+0.5% | Added |
| Citadel Advisors LLC | 292,347 | $4.86M | 0.01% | −361,510−55.3% | Reduced |
| Jones Road Capital Management, L.P. | 301,600 | $5.02M | 3.43% | +50,000+19.9% | Added |
| Cubist Systematic Strategies, LLC | 308,337 | $5.13M | 0.06% | −94,732−23.5% | Reduced |
| Wedge Capital Management L L P | 315,107 | $5.24M | 0.07% | +315,107 | New |
| Roubaix Capital, LLC | 315,266 | $5.24M | 3.44% | +159,483+102.4% | Added |
| Nishkama Capital, LLC | 322,373 | $5.36M | 1.75% | +172,564+115.2% | Added |
| Bank of Montreal | 327,016 | $5.53M | 0.00% | −988−0.3% | Reduced |
| Rhumbline Advisers | 342,133 | $5.69M | 0.01% | −50,580−12.9% | Reduced |
| Legal & General Group Plc | 362,162 | $6.02M | 0.00% | −31,033−7.9% | Reduced |
| Graham Capital Management, L.P. | 404,008 | $6.72M | 0.40% | +184,877+84.4% | Added |
| Deutsche Bank AG | 435,772 | $7.25M | 0.00% | +73,087+20.2% | Added |
| MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income | 441,690 | $7.34M | 0.85% | −2,700−0.6% | Reduced |
| Nuveen Asset Management, LLC | 463,918 | $7.78M | 0.00% | −27,531−5.6% | Reduced |
| Voloridge Investment Management, LLC | 479,089 | $7.97M | 0.05% | +432,758+934.1% | Added |
| Kennedy Capital Management, Inc. | 499,449 | $8.31M | 0.19% | +57,636+13.0% | Added |
| Edgestream Partners, L.P. | 526,246 | $8.75M | 0.54% | +235,644+81.1% | Added |
| HSBC Holdings PLC | 530,303 | $8.98M | 0.01% | +101,048+23.5% | Added |
| Jefferies Group LLC | 540,000 | $8.98M | 0.22% | −30,089−5.3% | Reduced |
| Gamco Investors, Inc. Et Al | 546,500 | $9.09M | 0.08% | 00.0% | Unchanged |
| Wellington Management Group LLP | 554,301 | $9.22M | 0.00% | −202,236−26.7% | Reduced |
| Mountaineer Partners Management, LLC | 562,282 | $9.35M | 6.11% | +125,443+28.7% | Added |
| WS Management LLLP | 575,000 | $9.56M | 1.20% | 00.0% | Unchanged |