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, Q2 2021
Institutional positions in Ati Inc as of Jun 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
- 237
- +3 vs. Q1 2021
- Shares held
- 132.6M
- +3.62M (+2.8%) vs. Q1 2021
- Total value
- $2.77B
- +$47.5M (+1.7%) vs. Q1 2021
- New holders
- 34
- 62 more added
- Sold out
- 31
- 96 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| ExodusPoint Capital Management, LP | 28,173 | $587.0K | 0.01% | +28,173 | New |
| AQR Capital Management LLC | 28,264 | $589.0K | 0.00% | +28,264 | New |
| Stifel Financial Corp | 28,404 | $592.0K | 0.00% | −15,596−35.4% | Reduced |
| Paloma Partners Management Co | 28,589 | $597.0K | 0.02% | +28,589 | New |
| Engineers Gate Manager LP | 28,760 | $600.0K | 0.04% | −70,739−71.1% | Reduced |
| Hanseatic Management Services Inc | 29,922 | $624.0K | 1.18% | +920+3.2% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 30,238 | $630.0K | 0.00% | −5,168−14.6% | Reduced |
| Lazard Asset Management LLC | 33,043 | $688.0K | 0.00% | −18,908−36.4% | Reduced |
| Marshall Wace, LLP | 33,897 | $707.0K | 0.00% | +20,460+152.3% | Added |
| Arizona State Retirement System | 34,472 | $719.0K | 0.01% | −2,444−6.6% | Reduced |
| AlphaCrest Capital Management LLC | 34,600 | $721.0K | 0.03% | +34,600 | New |
| Metropolitan Life Insurance Co | 35,712 | $744.6K | 0.01% | +1,332+3.9% | Added |
| CoreCommodity Management, LLC | 36,477 | $761.0K | 0.24% | −17,220−32.1% | Reduced |
| ProShare Advisors LLC | 36,543 | $762.0K | 0.00% | −1,146−3.0% | Reduced |
| Teachers Retirement System of the State of Kentucky | 36,935 | $770.0K | 0.01% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 38,250 | $798.0K | 0.01% | −10,650−21.8% | Reduced |
| Tower Research Capital LLC (TRC) | 38,943 | $812.0K | 0.02% | +4,920+14.5% | Added |
| K.J. Harrison & Partners Inc | 40,000 | $835.0K | 0.12% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 41,547 | $866.0K | 0.01% | +14,933+56.1% | Added |
| Royal Bank of Canada | 41,588 | $867.0K | 0.00% | −33,167−44.4% | Reduced |
| LMR Partners LLP | 44,641 | $931.0K | 0.01% | +44,641 | New |
| State of Tennessee, Treasury Department | 45,205 | $943.0K | 0.00% | −10,019−18.1% | Reduced |
| MetLife Investment Management | 45,517 | $949.0K | 0.01% | −5,626−11.0% | Reduced |
| Voloridge Investment Management, LLC | 46,331 | $966.0K | 0.01% | −78,552−62.9% | Reduced |
| Man Group plc | 47,229 | $985.0K | 0.00% | +47,229 | New |
| BNP Paribas Arbitrage, SA | 48,459 | $1.01M | 0.00% | −25,723−34.7% | Reduced |
| Oregon Public Employees Retirement Fund | 51,403 | $1.07M | 0.01% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 55,168 | $1.15M | 0.00% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 57,400 | $1.20M | 0.03% | −200−0.3% | Reduced |
| Voya Investment Management LLC | 61,463 | $1.28M | 0.00% | −8,580−12.2% | Reduced |
| Alpha Paradigm Partners, LLC | 64,127 | $1.34M | 0.50% | +64,127 | New |
| Virtue Capital Management, LLC | 65,311 | $1.36M | 0.27% | −3,506−5.1% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 65,793 | $1.37M | 0.03% | +65,793 | New |
| Amalgamated Bank | 65,920 | $1.37M | 0.01% | +54,580+481.3% | Added |
| Price T Rowe Associates Inc | 66,425 | $1.39M | 0.00% | −6,684−9.1% | Reduced |
| Prelude Capital Management, LLC | 69,721 | $1.45M | 0.08% | +69,721 | New |
| Mengis Capital Management, Inc. | 70,254 | $1.46M | 0.30% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 71,188 | $1.48M | 0.00% | −444−0.6% | Reduced |
| SEI Investments Co | 74,417 | $1.55M | 0.00% | −8,133−9.9% | Reduced |
| American International Group, Inc. | 82,708 | $1.72M | 0.01% | −1,793−2.1% | Reduced |
| Oarsman Capital, Inc. | 84,995 | $1.77M | 0.70% | −14,200−14.3% | Reduced |
| Federated Hermes, Inc. | 87,159 | $1.82M | 0.00% | −14,049−13.9% | Reduced |
| State of Alaska, Department of Revenue | 88,025 | $1.83M | 0.02% | +2,370+2.8% | Added |
| Texas Permanent School Fund | 94,795 | $1.98M | 0.02% | +430.0% | Added |
| HITE Hedge Asset Management LLC | 97,017 | $2.02M | 0.28% | −13,025−11.8% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 97,617 | $2.04M | 0.02% | −193−0.2% | Reduced |
| Barclays PLC | 97,653 | $2.04M | 0.00% | −66,956−40.7% | Reduced |
| Comerica Bank | 119,436 | $2.17M | 0.01% | −9,087−7.1% | Reduced |
| Blueshift Asset Management, LLC | 105,774 | $2.21M | 0.12% | +53,674+103.0% | Added |
| Ensign Peak Advisors, Inc | 106,706 | $2.23M | 0.00% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 107,773 | $2.25M | 0.01% | −21,427−16.6% | Reduced |
| Affinity Wealth Management LLC | 112,021 | $2.27M | 0.45% | +7,359+7.0% | Added |
| Diametric Capital, LP | 109,396 | $2.28M | 1.65% | +109,396 | New |
| Great West Life Assurance Co | 109,729 | $2.29M | 0.01% | −1,374−1.2% | Reduced |
| Delta Investment Management, LLC | 110,969 | $2.31M | 0.69% | +110,969 | New |
| Knights of Columbus Asset Advisors LLC | 115,181 | $2.40M | 0.22% | +1,141+1.0% | Added |
| Credit Suisse AG | 121,890 | $2.48M | 0.00% | −20,400−14.3% | Reduced |
| Two Sigma Investments, LP | 126,474 | $2.64M | 0.01% | −808,857−86.5% | Reduced |
| NorthRock Partners, LLC | 128,851 | $2.69M | 0.22% | +550.0% | Added |
| Prudential Financial Inc | 137,616 | $2.87M | 0.00% | −7,391−5.1% | Reduced |
| Van Eck Associates Corp | 138,406 | $2.89M | 0.01% | +40,983+42.1% | Added |
| Nishkama Capital, LLC | 149,809 | $3.12M | 1.14% | −188,370−55.7% | Reduced |
| Farmers & Merchants Investments Inc | 150,402 | $3.14M | 0.14% | −209−0.1% | Reduced |
| Roubaix Capital, LLC | 155,783 | $3.25M | 2.03% | −19,580−11.2% | Reduced |
| The PNC Financial Services Group, Inc. | 157,150 | $3.28M | 0.00% | −1,369−0.9% | Reduced |
| California State Teachers Retirement System | 175,452 | $3.66M | 0.00% | −15,909−8.3% | Reduced |
| Wells Fargo & Company | 177,566 | $3.70M | 0.00% | −58,552−24.8% | Reduced |
| New York State Teachers Retirement System | 183,041 | $3.82M | 0.01% | −17,200−8.6% | Reduced |
| UBS Asset Management Americas Inc | 184,279 | $3.84M | 0.00% | +23,327+14.5% | Added |
| Qube Research & Technologies Ltd | 188,750 | $3.94M | 0.05% | +172,457+1,058.5% | Added |
| Alliancebernstein L.P. | 188,963 | $3.94M | 0.00% | +10,538+5.9% | Added |
| HRT Financial LP | 191,137 | $3.98M | 0.04% | +191,137 | New |
| Bridgeway Capital Management, LLC | 197,300 | $4.11M | 0.07% | 00.0% | Unchanged |
| Susquehanna Fundamental Investments, LLC | 201,358 | $4.20M | 0.08% | −4,100−2.0% | Reduced |
| Graham Capital Management, L.P. | 219,131 | $4.57M | 0.25% | +219,131 | New |
| First Trust Advisors LP | 225,104 | $4.69M | 0.01% | +196,414+684.6% | Added |
| Thrivent Financial for Lutherans | 228,567 | $4.76M | 0.01% | −197−0.1% | Reduced |
| Susquehanna International Group, LLP | 229,276 | $4.78M | 0.01% | +150,569+191.3% | Added |
| Jones Road Capital Management, L.P. | 251,600 | $5.25M | 3.39% | +251,600 | New |
| Public Sector Pension Investment Board | 259,930 | $5.42M | 0.03% | −1,540−0.6% | Reduced |
| Jane Street Group, LLC | 267,773 | $5.58M | 0.01% | +189,475+242.0% | Added |
| Swiss National Bank | 279,500 | $5.83M | 0.00% | −10,300−3.6% | Reduced |
| Parametric Portfolio Associates LLC | 289,440 | $6.04M | 0.00% | +21,734+8.1% | Added |
| Edgestream Partners, L.P. | 290,602 | $6.06M | 0.36% | +36,907+14.5% | Added |
| American Century Companies Inc | 322,809 | $6.73M | 0.00% | +71,883+28.6% | Added |
| Bank of Montreal | 328,004 | $6.83M | 0.00% | +175,143+114.6% | Added |
| Deutsche Bank AG | 362,685 | $7.56M | 0.00% | +81,610+29.0% | Added |
| Churchill Management Corp | 384,621 | $8.02M | 0.12% | +14,501+3.9% | Added |
| Rhumbline Advisers | 392,713 | $8.19M | 0.01% | −44,279−10.1% | Reduced |
| Legal & General Group Plc | 393,195 | $8.20M | 0.00% | −82,317−17.3% | Reduced |
| Cubist Systematic Strategies, LLC | 403,069 | $8.40M | 0.09% | +214,085+113.3% | Added |
| HSBC Holdings PLC | 429,255 | $8.93M | 0.01% | +60,360+16.4% | Added |
| Sapience Investments, LLC | 435,485 | $9.08M | 1.13% | −96,575−18.2% | Reduced |
| Mountaineer Partners Management, LLC | 436,839 | $9.11M | 6.63% | −400−0.1% | Reduced |
| Kennedy Capital Management, Inc. | 441,813 | $9.21M | 0.20% | +7,801+1.8% | Added |
| MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income | 444,390 | $9.27M | 1.04% | −92,270−17.2% | Reduced |
| Nuveen Asset Management, LLC | 491,449 | $10.2M | 0.00% | −537,829−52.3% | Reduced |
| Gamco Investors, Inc. Et Al | 546,500 | $11.4M | 0.10% | −15,000−2.7% | Reduced |
| Millennium Management LLC | 558,415 | $11.6M | 0.01% | −145,292−20.6% | Reduced |
| Jefferies Group LLC | 570,089 | $11.9M | 0.21% | −55,085−8.8% | Reduced |