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, Q1 2024
Institutional positions in Ati Inc as of Mar 31, 2024. 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
- 345
- −3 vs. Q4 2023
- Shares held
- 134.8M
- +1.10M (+0.8%) vs. Q4 2023
- Total value
- $6.89B
- +$806.6M (+13.3%) vs. Q4 2023
- New holders
- 52
- 113 more added
- Sold out
- 55
- 125 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Assenagon Asset Management S.A. | 449,330 | $23.0M | 0.06% | +94,128+26.5% | Added |
| Franklin Resources Inc | 483,938 | $24.8M | 0.01% | +479,439+10,656.6% | Added |
| Emerald Mutual Fund Advisers Trust | 525,303 | $26.9M | 1.40% | +37,863+7.8% | Added |
| American Century Companies Inc | 535,420 | $27.4M | 0.02% | −17,154−3.1% | Reduced |
| Balyasny Asset Management LLC | 573,783 | $29.4M | 0.08% | −365,306−38.9% | Reduced |
| D. E. Shaw & Co., Inc. | 581,548 | $29.8M | 0.04% | −651,809−52.8% | Reduced |
| Cartenna Capital, LP | 600,000 | $30.7M | 2.89% | +165,000+37.9% | Added |
| KLCM Advisors, Inc. | 602,935 | $30.9M | 3.96% | −36,697−5.7% | Reduced |
| Two Sigma Investments, LP | 606,605 | $31.0M | 0.08% | +165,296+37.5% | Added |
| Woodline Partners LP | 638,577 | $32.7M | 0.30% | −527,928−45.3% | Reduced |
| Principal Financial Group Inc | 665,069 | $34.0M | 0.02% | +1,315+0.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 897,959 | $34.5M | 0.08% | −48,607−5.1% | Reduced |
| Emerald Advisers, LLC | 708,860 | $36.3M | 1.46% | +151,471+27.2% | Added |
| Millennium Management LLC | 743,646 | $38.1M | 0.03% | +475,803+177.6% | Added |
| Nuveen Asset Management, LLC | 768,014 | $39.3M | 0.01% | +27,539+3.7% | Added |
| Fisher Asset Management, LLC | 799,136 | $40.9M | 0.02% | −3,535−0.4% | Reduced |
| Macquarie Group Ltd | 953,604 | $48.8M | 0.06% | −66,192−6.5% | Reduced |
| Capital International Inc | 982,141 | $50.3M | 0.68% | −25,838−2.6% | Reduced |
| Bank of New York Mellon Corp | 1,022,978 | $52.3M | 0.01% | −68,281−6.3% | Reduced |
| Neuberger Berman Group LLC | 1,031,735 | $52.8M | 0.04% | +23,258+2.3% | Added |
| Goldman Sachs Group Inc | 1,045,335 | $53.5M | 0.01% | −261,449−20.0% | Reduced |
| Victory Capital Management Inc | 1,212,961 | $62.1M | 0.06% | +103,769+9.4% | Added |
| Price T Rowe Associates Inc | 1,225,615 | $62.7M | 0.01% | −90,911−6.9% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 1,352,185 | $69.2M | 0.23% | −11,482−0.8% | Reduced |
| Northern Trust Corp | 1,380,358 | $70.6M | 0.01% | −47,286−3.3% | Reduced |
| Bowen Hanes & Co Inc | 1,391,250 | $71.2M | 2.03% | −8,900−0.6% | Reduced |
| Norges Bank | 1,414,994 | $72.4M | 0.01% | +186,594+15.2% | Added |
| Allspring Global Investments Holdings, LLC | 1,515,262 | $77.5M | 0.12% | −20,097−1.3% | Reduced |
| Channing Capital Management, LLC | 1,590,472 | $81.4M | 2.18% | +53,326+3.5% | Added |
| Charles Schwab Investment Management Inc | 1,618,436 | $82.8M | 0.02% | +50,853+3.2% | Added |
| Loomis Sayles & Co L P | 1,628,223 | $83.3M | 0.12% | +38,155+2.4% | Added |
| Federated Hermes, Inc. | 1,631,836 | $83.5M | 0.19% | +372,867+29.6% | Added |
| Morgan Stanley | 1,880,011 | $96.2M | 0.01% | −222,721−10.6% | Reduced |
| Dimensional Fund Advisors LP | 2,403,918 | $123.0M | 0.03% | +86,196+3.7% | Added |
| Geode Capital Management, LLC | 2,770,376 | $141.8M | 0.01% | +70,962+2.6% | Added |
| Capital World Investors | 2,840,962 | $145.4M | 0.02% | +866,310+43.9% | Added |
| Invesco Ltd. | 3,012,981 | $154.2M | 0.03% | +499,906+19.9% | Added |
| Ameriprise Financial Inc | 3,247,700 | $166.2M | 0.05% | +69,685+2.2% | Added |
| Frontier Capital Management Co LLC | 3,339,331 | $170.9M | 1.60% | −306,313−8.4% | Reduced |
| Alliancebernstein L.P. | 5,243,558 | $268.3M | 0.09% | +2,076,427+65.6% | Added |
| FMR LLC | 5,733,330 | $293.4M | 0.02% | +2,421,056+73.1% | Added |
| State Street Corp | 6,479,665 | $331.6M | 0.01% | −264,341−3.9% | Reduced |
| Vanguard Group Inc | 14,338,873 | $733.7M | 0.01% | +132,478+0.9% | Added |
| Capital International Investors | 15,409,897 | $788.5M | 0.16% | +203,012+1.3% | Added |
| BlackRock Inc. | 20,081,661 | $1.03B | 0.02% | −150,594−0.7% | Reduced |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −1,548,353−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −558,597−100.0% | Sold out |
| Anomaly Capital Management, LP | 0 | $0 | 0.00% | −473,498−100.0% | Sold out |
| Bornite Capital Management LP | 0 | $0 | 0.00% | −220,000−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −174,540−100.0% | Sold out |
| Crestline Management, LP | 0 | $0 | 0.00% | −171,959−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −67,672−100.0% | Sold out |
| Advisory Research Inc | 0 | $0 | 0.00% | −62,179−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −55,638−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Rational Advisors LLC | 0 | $0 | 0.00% | −33,300−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −32,684−100.0% | Sold out |
| Jade Capital Advisors, LLC | 0 | $0 | 0.00% | −23,114−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −21,450−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −20,444−100.0% | Sold out |
| Wakefield Asset Management LLLP | 0 | $0 | 0.00% | −18,479−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −16,300−100.0% | Sold out |
| Oliver Luxxe Assets LLC | 0 | $0 | 0.00% | −15,619−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −15,575−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −14,757−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −14,702−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −11,962−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −11,224−100.0% | Sold out |
| Boston Partners | 0 | $0 | 0.00% | −9,755−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −9,365−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −8,659−100.0% | Sold out |
| Northeast Financial Consultants Inc | 0 | $0 | 0.00% | −8,180−100.0% | Sold out |
| TD Asset Management Inc | 0 | $0 | 0.00% | −8,100−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −7,592−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −7,200−100.0% | Sold out |
| Guidance Capital, Inc | 0 | $0 | 0.00% | −7,064−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −6,360−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −6,227−100.0% | Sold out |
| Westover Capital Advisors, LLC | 0 | $0 | 0.00% | −5,963−100.0% | Sold out |
| O'Neil Global Advisors, Inc. | 0 | $0 | 0.00% | −5,610−100.0% | Sold out |
| Pinnacle Wealth Planning Services, Inc. | 0 | $0 | 0.00% | −5,230−100.0% | Sold out |
| Sage Rhino Capital LLC | 0 | $0 | 0.00% | −4,414−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −3,836−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −3,079−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −2,922−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −2,329−100.0% | Sold out |
| Harvest Fund Management Co., Ltd | 0 | $0 | 0.00% | −2,052−100.0% | Sold out |
| West Tower Group, LLC | 0 | $0 | 0.00% | −1,457−100.0% | Sold out |
| Toth Financial Advisory Corp | 0 | $0 | 0.00% | −590−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Private Ocean, LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| First Horizon Advisors, Inc. | 0 | $0 | 0.00% | −183−100.0% | Sold out |
| Bokf, NA | 0 | $0 | 0.00% | −134−100.0% | Sold out |
| Webster Bank, N. A. | 0 | $0 | 0.00% | −120−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| AdvisorNet Financial, Inc | 0 | $0 | 0.00% | −42−100.0% | Sold out |
| AlphaMark Advisors, LLC | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Assetmark, Inc | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |