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, Q4 2021
Institutional positions in Ati Inc as of Dec 31, 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
- 241
- +8 vs. Q3 2021
- Shares held
- 131.9M
- −904.8K (−0.7%) vs. Q3 2021
- Total value
- $2.10B
- −$107.5M (−4.9%) vs. Q3 2021
- New holders
- 39
- 85 more added
- Sold out
- 31
- 84 more reduced
3 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Janus Henderson Group PLC | 25,746 | $410.0K | 0.00% | +12,946+101.1% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 26,804 | $427.0K | 0.00% | +1,462+5.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 28,478 | $454.0K | 0.00% | +28,478 | New |
| Stifel Financial Corp | 29,467 | $470.0K | 0.00% | −1,055−3.5% | Reduced |
| Prelude Capital Management, LLC | 30,127 | $480.0K | 0.02% | −29,947−49.9% | Reduced |
| Advisory Services Network, LLC | 30,417 | $485.0K | 0.01% | +8,272+37.4% | Added |
| Leonteq Securities AG | 30,632 | $488.0K | 0.02% | +9,317+43.7% | Added |
| Royal Bank of Canada | 31,232 | $498.0K | 0.00% | −12,926−29.3% | Reduced |
| ProShare Advisors LLC | 31,837 | $507.0K | 0.00% | +12,196+62.1% | Added |
| Boston Partners | 32,207 | $513.0K | 0.00% | +32,207 | New |
| Metropolitan Life Insurance Co | 33,765 | $537.9K | 0.01% | 00.0% | Unchanged |
| Arizona State Retirement System | 34,248 | $546.0K | 0.00% | −401−1.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 34,792 | $554.0K | 0.00% | +34,792 | New |
| AlphaCrest Capital Management LLC | 35,700 | $569.0K | 0.02% | +35,700 | New |
| CoreCommodity Management, LLC | 36,112 | $575.0K | 0.16% | −365−1.0% | Reduced |
| Teachers Retirement System of the State of Kentucky | 36,935 | $589.0K | 0.01% | 00.0% | Unchanged |
| American Century Companies Inc | 37,049 | $590.0K | 0.00% | −114,647−75.6% | Reduced |
| D.A. Davidson & Co. | 37,095 | $591.0K | 0.01% | −1,400−3.6% | Reduced |
| Twinbeech Capital LP | 37,124 | $591.0K | 0.03% | +37,124 | New |
| MetLife Investment Management | 40,321 | $642.3K | 0.01% | −5,196−11.4% | Reduced |
| State of Tennessee, Treasury Department | 40,852 | $651.0K | 0.00% | 00.0% | Unchanged |
| Paloma Partners Management Co | 41,149 | $656.0K | 0.02% | +41,149 | New |
| Price T Rowe Associates Inc | 46,071 | $734.0K | 0.00% | −20,362−30.7% | Reduced |
| Oregon Public Employees Retirement Fund | 48,903 | $779.0K | 0.01% | −2,300−4.5% | Reduced |
| Maryland State Retirement & Pension System | 50,380 | $803.0K | 0.02% | 00.0% | Unchanged |
| Quantbot Technologies LP | 53,834 | $857.0K | 0.07% | −20,723−27.8% | Reduced |
| State Board of Administration of Florida Retirement System | 54,878 | $874.0K | 0.00% | −290−0.5% | Reduced |
| Ensign Peak Advisors, Inc | 55,966 | $892.0K | 0.00% | −50,740−47.6% | Reduced |
| Gsa Capital Partners LLP | 59,710 | $951.0K | 0.12% | +11,362+23.5% | Added |
| Ulysses Management LLC | 60,000 | $956.0K | 0.17% | +60,000 | New |
| Louisiana State Employees Retirement System | 61,600 | $981.0K | 0.02% | +300+0.5% | Added |
| Amalgamated Bank | 63,614 | $1.01M | 0.01% | −1,062−1.6% | Reduced |
| Diametric Capital, LP | 64,939 | $1.03M | 0.79% | −20,813−24.3% | Reduced |
| Manufacturers Life Insurance Company, The | 65,121 | $1.04M | 0.00% | −837−1.3% | Reduced |
| Mengis Capital Management, Inc. | 70,004 | $1.11M | 0.21% | −250−0.4% | Reduced |
| BNP Paribas Arbitrage, SA | 73,456 | $1.17M | 0.00% | −61,046−45.4% | Reduced |
| First Eagle Investment Management, LLC | 75,340 | $1.20M | 0.00% | +47,700+172.6% | Added |
| American International Group, Inc. | 77,450 | $1.23M | 0.01% | −2,490−3.1% | Reduced |
| Oarsman Capital, Inc. | 80,320 | $1.28M | 0.50% | +7,225+9.9% | Added |
| The PNC Financial Services Group, Inc. | 86,562 | $1.38M | 0.00% | −32,978−27.6% | Reduced |
| State of Alaska, Department of Revenue | 90,093 | $1.44M | 0.01% | −2,780−3.0% | Reduced |
| Occudo Quantitative Strategies LP | 90,463 | $1.44M | 0.13% | +69,248+326.4% | Added |
| Duality Advisers, LP | 90,771 | $1.45M | 0.16% | −61,607−40.4% | Reduced |
| Federated Hermes, Inc. | 91,119 | $1.45M | 0.00% | −513−0.6% | Reduced |
| Texas Permanent School Fund | 92,143 | $1.47M | 0.02% | −1,985−2.1% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 96,174 | $1.53M | 0.02% | −306−0.3% | Reduced |
| First Trust Advisors LP | 96,721 | $1.54M | 0.00% | −34,646−26.4% | Reduced |
| HITE Hedge Asset Management LLC | 102,264 | $1.63M | 0.19% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 103,556 | $1.65M | 0.00% | −14,750−12.5% | Reduced |
| UBS Asset Management Americas Inc | 105,828 | $1.69M | 0.00% | −28,080−21.0% | Reduced |
| Credit Suisse AG | 107,915 | $1.72M | 0.00% | +2,681+2.5% | Added |
| UBS Group AG | 108,065 | $1.72M | 0.00% | +105,672+4,415.9% | Added |
| Great West Life Assurance Co | 109,456 | $1.74M | 0.00% | −2,583−2.3% | Reduced |
| Van Eck Associates Corp | 110,549 | $1.76M | 0.00% | −14,533−11.6% | Reduced |
| Voya Investment Management LLC | 110,915 | $1.77M | 0.00% | +49,119+79.5% | Added |
| Susquehanna International Group, LLP | 111,022 | $1.77M | 0.00% | +68,329+160.0% | Added |
| SG Americas Securities, LLC | 111,091 | $1.77M | 0.01% | −90,114−44.8% | Reduced |
| Yousif Capital Management, LLC | 114,717 | $1.83M | 0.02% | +114,717 | New |
| Two Sigma Investments, LP | 115,790 | $1.84M | 0.00% | −56,977−33.0% | Reduced |
| Knights of Columbus Asset Advisors LLC | 116,516 | $1.86M | 0.15% | +902+0.8% | Added |
| Engineers Gate Manager LP | 120,952 | $1.93M | 0.09% | +107,281+784.7% | Added |
| JPMorgan Chase & Co | 122,621 | $1.95M | 0.00% | −717,921−85.4% | Reduced |
| NorthRock Partners, LLC | 129,046 | $2.06M | 0.15% | +250+0.2% | Added |
| Prudential Financial Inc | 134,806 | $2.15M | 0.00% | −1,040−0.8% | Reduced |
| Jane Street Group, LLC | 140,164 | $2.23M | 0.00% | +72,124+106.0% | Added |
| Farmers & Merchants Investments Inc | 147,505 | $2.35M | 0.09% | −2,464−1.6% | Reduced |
| Wells Fargo & Company | 153,978 | $2.45M | 0.00% | +25,809+20.1% | Added |
| Centre Asset Management, LLC | 154,100 | $2.46M | 1.24% | +154,100 | New |
| Holocene Advisors, LP | 167,529 | $2.67M | 0.01% | +167,529 | New |
| Russell Investments Group, Ltd. | 170,331 | $2.71M | 0.00% | +166,931+4,909.7% | Added |
| State of New Jersey Common Pension Fund D | 175,211 | $2.79M | 0.01% | +30,231+20.9% | Added |
| Susquehanna Fundamental Investments, LLC | 175,500 | $2.80M | 0.07% | +155,443+775.0% | Added |
| Marshall Wace, LLP | 175,841 | $2.80M | 0.01% | +81,318+86.0% | Added |
| California State Teachers Retirement System | 176,883 | $2.82M | 0.00% | +3,991+2.3% | Added |
| Barclays PLC | 177,944 | $2.83M | 0.00% | +74,078+71.3% | Added |
| Alliancebernstein L.P. | 180,758 | $2.88M | 0.00% | +255+0.1% | Added |
| New York State Teachers Retirement System | 182,541 | $2.91M | 0.01% | −500−0.3% | Reduced |
| Bridgeway Capital Management, LLC | 197,300 | $3.14M | 0.06% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 199,300 | $3.17M | 0.01% | −474,900−70.4% | Reduced |
| Comerica Bank | 194,653 | $3.74M | 0.03% | −7,543−3.7% | Reduced |
| Public Sector Pension Investment Board | 259,180 | $4.13M | 0.02% | +2,060+0.8% | Added |
| Balyasny Asset Management LLC | 274,335 | $4.37M | 0.02% | +274,335 | New |
| Roubaix Capital, LLC | 279,011 | $4.45M | 2.71% | −36,255−11.5% | Reduced |
| Swiss National Bank | 281,000 | $4.48M | 0.00% | 00.0% | Unchanged |
| Buckingham Strategic Partners | 281,257 | $4.48M | 0.94% | +281,257 | New |
| Wedge Capital Management L L P | 293,449 | $4.67M | 0.06% | −21,658−6.9% | Reduced |
| Bank of America Corp | 297,962 | $4.75M | 0.00% | +52,916+21.6% | Added |
| Bank of Montreal | 310,560 | $4.89M | 0.00% | −16,456−5.0% | Reduced |
| Edgestream Partners, L.P. | 310,311 | $4.94M | 0.31% | −215,935−41.0% | Reduced |
| Nishkama Capital, LLC | 311,699 | $4.96M | 1.44% | −10,674−3.3% | Reduced |
| Parametric Portfolio Associates LLC | 316,259 | $5.04M | 0.00% | +49,232+18.4% | Added |
| Rhumbline Advisers | 333,159 | $5.31M | 0.01% | −8,974−2.6% | Reduced |
| Cubist Systematic Strategies, LLC | 340,513 | $5.42M | 0.05% | +32,176+10.4% | Added |
| Renaissance Technologies LLC | 342,392 | $5.45M | 0.01% | +147,600+75.8% | Added |
| Legal & General Group Plc | 370,874 | $5.91M | 0.00% | +8,712+2.4% | Added |
| WS Management LLLP | 382,896 | $6.10M | 0.89% | −192,104−33.4% | Reduced |
| Deutsche Bank AG | 392,997 | $6.26M | 0.00% | −42,775−9.8% | Reduced |
| Nuveen Asset Management, LLC | 429,001 | $6.27M | 0.00% | −34,917−7.5% | Reduced |
| Citadel Advisors LLC | 405,456 | $6.46M | 0.01% | +113,109+38.7% | Added |
| Squarepoint Ops LLC | 442,188 | $7.04M | 0.03% | +292,031+194.5% | Added |