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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 20,081,661 | $1.03B | 0.02% | −150,594−0.7% | Reduced |
| Capital International Investors | 15,409,897 | $788.5M | 0.16% | +203,012+1.3% | Added |
| Vanguard Group Inc | 14,338,873 | $733.7M | 0.01% | +132,478+0.9% | Added |
| State Street Corp | 6,479,665 | $331.6M | 0.01% | −264,341−3.9% | Reduced |
| FMR LLC | 5,733,330 | $293.4M | 0.02% | +2,421,056+73.1% | Added |
| Alliancebernstein L.P. | 5,243,558 | $268.3M | 0.09% | +2,076,427+65.6% | Added |
| Frontier Capital Management Co LLC | 3,339,331 | $170.9M | 1.60% | −306,313−8.4% | Reduced |
| Ameriprise Financial Inc | 3,247,700 | $166.2M | 0.05% | +69,685+2.2% | Added |
| Invesco Ltd. | 3,012,981 | $154.2M | 0.03% | +499,906+19.9% | Added |
| Capital World Investors | 2,840,962 | $145.4M | 0.02% | +866,310+43.9% | Added |
| Geode Capital Management, LLC | 2,770,376 | $141.8M | 0.01% | +70,962+2.6% | Added |
| Dimensional Fund Advisors LP | 2,403,918 | $123.0M | 0.03% | +86,196+3.7% | Added |
| Morgan Stanley | 1,880,011 | $96.2M | 0.01% | −222,721−10.6% | Reduced |
| Federated Hermes, Inc. | 1,631,836 | $83.5M | 0.19% | +372,867+29.6% | Added |
| Loomis Sayles & Co L P | 1,628,223 | $83.3M | 0.12% | +38,155+2.4% | Added |
| Charles Schwab Investment Management Inc | 1,618,436 | $82.8M | 0.02% | +50,853+3.2% | Added |
| Channing Capital Management, LLC | 1,590,472 | $81.4M | 2.18% | +53,326+3.5% | Added |
| Allspring Global Investments Holdings, LLC | 1,515,262 | $77.5M | 0.12% | −20,097−1.3% | Reduced |
| Norges Bank | 1,414,994 | $72.4M | 0.01% | +186,594+15.2% | Added |
| Bowen Hanes & Co Inc | 1,391,250 | $71.2M | 2.03% | −8,900−0.6% | Reduced |
| Northern Trust Corp | 1,380,358 | $70.6M | 0.01% | −47,286−3.3% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 1,352,185 | $69.2M | 0.23% | −11,482−0.8% | Reduced |
| Price T Rowe Associates Inc | 1,225,615 | $62.7M | 0.01% | −90,911−6.9% | Reduced |
| Victory Capital Management Inc | 1,212,961 | $62.1M | 0.06% | +103,769+9.4% | Added |
| Goldman Sachs Group Inc | 1,045,335 | $53.5M | 0.01% | −261,449−20.0% | Reduced |
| Neuberger Berman Group LLC | 1,031,735 | $52.8M | 0.04% | +23,258+2.3% | Added |
| Bank of New York Mellon Corp | 1,022,978 | $52.3M | 0.01% | −68,281−6.3% | Reduced |
| Capital International Inc | 982,141 | $50.3M | 0.68% | −25,838−2.6% | Reduced |
| Macquarie Group Ltd | 953,604 | $48.8M | 0.06% | −66,192−6.5% | Reduced |
| Fisher Asset Management, LLC | 799,136 | $40.9M | 0.02% | −3,535−0.4% | Reduced |
| Nuveen Asset Management, LLC | 768,014 | $39.3M | 0.01% | +27,539+3.7% | Added |
| Millennium Management LLC | 743,646 | $38.1M | 0.03% | +475,803+177.6% | Added |
| Emerald Advisers, LLC | 708,860 | $36.3M | 1.46% | +151,471+27.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 897,959 | $34.5M | 0.08% | −48,607−5.1% | Reduced |
| Principal Financial Group Inc | 665,069 | $34.0M | 0.02% | +1,315+0.2% | Added |
| Woodline Partners LP | 638,577 | $32.7M | 0.30% | −527,928−45.3% | Reduced |
| Two Sigma Investments, LP | 606,605 | $31.0M | 0.08% | +165,296+37.5% | Added |
| KLCM Advisors, Inc. | 602,935 | $30.9M | 3.96% | −36,697−5.7% | Reduced |
| Cartenna Capital, LP | 600,000 | $30.7M | 2.89% | +165,000+37.9% | Added |
| D. E. Shaw & Co., Inc. | 581,548 | $29.8M | 0.04% | −651,809−52.8% | Reduced |
| Balyasny Asset Management LLC | 573,783 | $29.4M | 0.08% | −365,306−38.9% | Reduced |
| American Century Companies Inc | 535,420 | $27.4M | 0.02% | −17,154−3.1% | Reduced |
| Emerald Mutual Fund Advisers Trust | 525,303 | $26.9M | 1.40% | +37,863+7.8% | Added |
| Franklin Resources Inc | 483,938 | $24.8M | 0.01% | +479,439+10,656.6% | Added |
| Assenagon Asset Management S.A. | 449,330 | $23.0M | 0.06% | +94,128+26.5% | Added |
| JPMorgan Chase & Co | 443,903 | $22.7M | 0.00% | +81,313+22.4% | Added |
| Bank of America Corp | 442,575 | $22.6M | 0.00% | +30,337+7.4% | Added |
| NorthRock Partners, LLC | 433,284 | $22.2M | 0.85% | +234,398+117.9% | Added |
| Gamco Investors, Inc. Et Al | 431,442 | $22.1M | 0.22% | −1,700−0.4% | Reduced |
| UBS Asset Management Americas Inc | 408,900 | $20.9M | 0.01% | +33,402+8.9% | Added |
| Wellington Management Group LLP | 405,611 | $20.8M | 0.00% | +88,124+27.8% | Added |
| Legal & General Group Plc | 398,827 | $20.4M | 0.01% | −982−0.2% | Reduced |
| Deutsche Bank AG | 380,762 | $19.5M | 0.01% | −64,699−14.5% | Reduced |
| Lazard Asset Management LLC | 373,098 | $19.1M | 0.02% | +20,612+5.8% | Added |
| Rhumbline Advisers | 367,468 | $18.8M | 0.02% | −4,384−1.2% | Reduced |
| Apis Capital Advisors, LLC | 366,200 | $18.7M | 14.22% | −7,600−2.0% | Reduced |
| New York State Common Retirement Fund | 359,388 | $18.4M | 0.02% | +3,147+0.9% | Added |
| Senator Investment Group LP | 333,000 | $17.0M | 0.78% | +333,000 | New |
| Royce & Associates LP | 311,199 | $15.9M | 0.14% | +8,599+2.8% | Added |
| Wells Fargo & Company | 299,133 | $15.3M | 0.00% | −1,439−0.5% | Reduced |
| SEI Investments Co | 293,362 | $15.0M | 0.02% | −37,952−11.5% | Reduced |
| Mesirow Institutional Investment Management, Inc. | 279,387 | $14.3M | 1.27% | −23,800−7.8% | Reduced |
| Schroder Investment Management Group | 272,151 | $13.9M | 0.02% | +71,879+35.9% | Added |
| Two Sigma Advisers, LP | 267,098 | $13.7M | 0.03% | +133,900+100.5% | Added |
| Point72 Asset Management, L.P. | 265,858 | $13.6M | 0.04% | −1,273,678−82.7% | Reduced |
| Public Sector Pension Investment Board | 261,502 | $13.4M | 0.10% | −3,240−1.2% | Reduced |
| Swiss National Bank | 251,900 | $12.9M | 0.01% | −1,600−0.6% | Reduced |
| Mountaineer Partners Management, LLC | 236,396 | $12.1M | 5.58% | −15,443−6.1% | Reduced |
| Kennedy Capital Management, Inc. | 228,845 | $11.7M | 0.24% | −46,267−16.8% | Reduced |
| State of Wisconsin Investment Board | 224,447 | $11.5M | 0.03% | +6,683+3.1% | Added |
| WS Management LLLP | 200,000 | $10.2M | 0.94% | 00.0% | Unchanged |
| Sasco Capital Inc | 197,381 | $10.1M | 1.35% | −212,175−51.8% | Reduced |
| Moody Aldrich Partners LLC | 178,188 | $9.12M | 1.55% | +21,018+13.4% | Added |
| California Public Employees Retirement System | 174,685 | $8.94M | 0.01% | −81,289−31.8% | Reduced |
| Appian Way Asset Management LP | 172,408 | $8.82M | 2.89% | +63,008+57.6% | Added |
| New York State Teachers Retirement System | 168,311 | $8.61M | 0.02% | −7,398−4.2% | Reduced |
| UBS Group AG | 160,771 | $8.23M | 0.00% | +3,402+2.2% | Added |
| Qube Research & Technologies Ltd | 148,999 | $7.62M | 0.01% | +68,407+84.9% | Added |
| Prudential Financial Inc | 142,745 | $7.30M | 0.01% | −3,792−2.6% | Reduced |
| BNP Paribas Arbitrage, SA | 142,400 | $7.29M | 0.01% | −70,334−33.1% | Reduced |
| Oberweis Asset Management Inc | 141,900 | $7.26M | 0.53% | +39,400+38.4% | Added |
| Comerica Bank | 141,243 | $7.23M | 0.03% | +81,708+137.2% | Added |
| Mutual of America Capital Management LLC | 136,089 | $6.96M | 0.07% | +745+0.6% | Added |
| Renaissance Technologies LLC | 135,592 | $6.94M | 0.01% | +135,592 | New |
| Credit Suisse AG | 129,676 | $6.64M | 0.01% | +217+0.2% | Added |
| Barclays PLC | 129,460 | $6.62M | 0.00% | −88,901−40.7% | Reduced |
| California State Teachers Retirement System | 127,762 | $6.54M | 0.01% | −8,370−6.1% | Reduced |
| Great West Life Assurance Co | 126,978 | $6.50M | 0.01% | +21,887+20.8% | Added |
| Knights of Columbus Asset Advisors LLC | 122,803 | $6.28M | 0.45% | −116,750−48.7% | Reduced |
| Boothbay Fund Management, LLC | 121,793 | $6.23M | 0.18% | +32,046+35.7% | Added |
| First Trust Advisors LP | 117,574 | $6.02M | 0.01% | −11,256−8.7% | Reduced |
| Texas Permanent School Fund | 111,654 | $5.71M | 0.05% | +1,445+1.3% | Added |
| Thrivent Financial for Lutherans | 111,228 | $5.69M | 0.01% | −3,331−2.9% | Reduced |
| Hennessy Advisors Inc | 111,200 | $5.69M | 0.24% | +34,000+44.0% | Added |
| Jane Street Group, LLC | 106,237 | $5.44M | 0.01% | +26,261+32.8% | Added |
| British Columbia Investment Management Corp | 97,000 | $4.96M | 0.03% | +97,000 | New |
| Van Eck Associates Corp | 96,403 | $4.93M | 0.01% | −46,647−32.6% | Reduced |
| Sapience Investments, LLC | 95,112 | $4.87M | 1.61% | −63,380−40.0% | Reduced |
| Man Group plc | 94,293 | $4.82M | 0.01% | +1,686+1.8% | Added |
| Walleye Capital LLC | 90,681 | $4.64M | 0.05% | +16,833+22.8% | Added |