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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 2024

Institutional positions in Ati Inc as of Jun 30, 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
403
+60 vs. Q1 2024
Shares held
132.2M
−2.52M (−1.9%) vs. Q1 2024
Total value
$7.33B
+$449.0M (+6.5%) vs. Q1 2024
New holders
87
123 more added
Sold out
27
150 more reduced

2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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.

Institutional holdersQ2 2024: 403 institutions
Q1 2021: 234 institutionsQ2 2021: 237 institutionsQ3 2021: 236 institutionsQ4 2021: 241 institutionsQ1 2022: 284 institutionsQ2 2022: 266 institutionsQ3 2022: 290 institutionsQ4 2022: 304 institutionsQ1 2023: 339 institutionsQ2 2023: 329 institutionsQ3 2023: 338 institutionsQ4 2023: 349 institutionsQ1 2024: 345 institutionsQ2 2024: 403 institutionsQ3 2024: 421 institutionsQ4 2024: 403 institutionsQ1 2025: 426 institutionsQ2 2025: 473 institutionsQ3 2025: 470 institutionsQ4 2025: 570 institutionsQ1 2026: 678 institutionsQ2 2026: 795 institutions
Value heldQ2 2024: $7.33B
Q1 2021: $2.72BQ2 2021: $2.77BQ3 2021: $2.21BQ4 2021: $2.10BQ1 2022: $3.51BQ2 2022: $3.02BQ3 2022: $3.49BQ4 2022: $3.95BQ1 2023: $5.29BQ2 2023: $5.95BQ3 2023: $5.48BQ4 2023: $6.10BQ1 2024: $6.89BQ2 2024: $7.33BQ3 2024: $8.89BQ4 2024: $7.51BQ1 2025: $6.97BQ2 2025: $11.6BQ3 2025: $10.5BQ4 2025: $14.7BQ1 2026: $18.5BQ2 2026: $25.1B
Institutions holding ATI and their total value by quarter
QuarterHoldersValue
Q2 2026795$25.1B
Q1 2026678$18.5B
Q4 2025570$14.7B
Q3 2025470$10.5B
Q2 2025473$11.6B
Q1 2025426$6.97B
Q4 2024403$7.51B
Q3 2024421$8.89B
Q2 2024403$7.33B
Q1 2024345$6.89B
Q4 2023349$6.10B
Q3 2023338$5.48B
Q2 2023329$5.95B
Q1 2023339$5.29B
Q4 2022304$3.95B
Q3 2022290$3.49B
Q2 2022266$3.02B
Q1 2022284$3.51B
Q4 2021241$2.10B
Q3 2021236$2.21B
Q2 2021237$2.77B
Q1 2021234$2.72B

Institutions, Q2 2024

Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q1 2024.

Institutions holding ATI in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.15,543,992$861.9M0.02%−4,537,669−22.6%Reduced
Capital International Investors15,097,718$837.4M0.17%−312,179−2.0%Reduced
Vanguard Group Inc13,227,335$733.5M0.01%−1,111,538−7.8%Reduced
FMR LLC7,260,854$402.6M0.03%+1,527,524+26.6%Added
State Street Corp5,717,021$317.0M0.01%−762,644−11.8%Reduced
Invesco Ltd.4,445,563$246.5M0.05%+1,432,582+47.5%Added
Ameriprise Financial Inc3,648,910$202.3M0.05%+401,210+12.4%Added
Frontier Capital Management Co LLC3,132,239$173.7M1.72%−207,092−6.2%Reduced
Capital World Investors2,868,878$159.1M0.03%+27,916+1.0%Added
Dimensional Fund Advisors LP2,506,609$139.0M0.04%+102,691+4.3%Added
Geode Capital Management, LLC1,947,769$108.0M0.01%−822,607−29.7%Reduced
Millennium Management LLC1,944,919$107.8M0.09%+1,201,273+161.5%Added
Morgan Stanley1,763,019$97.8M0.01%−116,992−6.2%Reduced
Federated Hermes, Inc.1,702,648$94.4M0.22%+70,812+4.3%Added
Norges Bank1,555,497$86.3M0.01%+140,503+9.9%Added
Loomis Sayles & Co L P1,516,932$84.1M0.12%−111,291−6.8%Reduced
Channing Capital Management, LLC1,453,974$80.6M2.21%−136,498−8.6%Reduced
Bowen Hanes & Co Inc1,383,425$76.7M2.12%−7,825−0.6%Reduced
Barrow Hanley Mewhinney & Strauss LLC1,366,849$75.8M0.26%+14,664+1.1%Added
Charles Schwab Investment Management Inc1,347,015$74.7M0.01%−271,421−16.8%Reduced
Allspring Global Investments Holdings, LLC1,309,996$72.6M0.12%−205,266−13.5%Reduced
Northern Trust Corp1,296,573$71.9M0.01%−83,785−6.1%Reduced
Price T Rowe Associates Inc1,216,686$67.5M0.01%−8,929−0.7%Reduced
Jane Street Group, LLC1,126,736$62.5M0.07%+1,020,499+960.6%Added
Balyasny Asset Management LLC1,120,842$62.2M0.16%+547,059+95.3%Added
D. E. Shaw & Co., Inc.1,115,560$61.9M0.09%+534,012+91.8%Added
Two Sigma Investments, LP1,069,224$59.3M0.14%+462,619+76.3%Added
Mirae Asset Global ETFs Holdings Ltd.1,004,193$55.7M0.13%+1,004,193New
Macquarie Group Ltd945,029$52.4M0.06%−8,575−0.9%Reduced
Neuberger Berman Group LLC892,071$49.5M0.04%−139,664−13.5%Reduced
Senator Investment Group LP891,138$49.4M2.41%+558,138+167.6%Added
Bank of New York Mellon Corp888,070$49.2M0.01%−134,908−13.2%Reduced
Goldman Sachs Group Inc851,961$47.2M0.01%−193,374−18.5%Reduced
Citadel Advisors LLC837,927$46.5M0.05%+781,439+1,383.4%Added
Fisher Asset Management, LLC786,737$43.6M0.02%−12,399−1.6%Reduced
Nuveen Asset Management, LLC683,909$37.9M0.01%−84,105−11.0%Reduced
American Century Companies Inc648,086$35.9M0.02%+112,666+21.0%Added
Capital International Inc642,391$35.6M0.47%−339,750−34.6%Reduced
Emerald Advisers, LLC640,388$35.5M1.49%−68,472−9.7%Reduced
Principal Financial Group Inc610,815$33.9M0.02%−54,254−8.2%Reduced
UBS Asset Management Americas Inc572,340$31.7M0.01%+163,440+40.0%Added
Fuller & Thaler Asset Management, Inc.559,221$31.0M0.13%+559,221New
Assenagon Asset Management S.A.528,615$29.3M0.07%+79,285+17.6%Added
Bank of America Corp528,530$29.3M0.00%+85,955+19.4%Added
Driehaus Capital Management LLC521,118$28.9M0.28%+521,118New
Point72 Asset Management, L.P.519,877$28.8M0.09%+254,019+95.5%Added
Victory Capital Management Inc513,367$28.5M0.03%−699,594−57.7%Reduced
Emerald Mutual Fund Advisers Trust510,144$28.3M1.48%−15,159−2.9%Reduced
HRT Financial LP509,365$28.2M0.16%+467,003+1,102.4%Added
Wellington Management Group LLP498,838$27.7M0.00%+93,227+23.0%Added
Woodline Partners LP480,003$26.6M0.26%−158,574−24.8%Reduced
Alliancebernstein L.P.456,617$25.3M0.01%−4,786,941−91.3%Reduced
Scout Investments, Inc.444,305$24.6M0.66%+444,305New
NorthRock Partners, LLC433,349$24.0M0.90%+650.0%Added
KLCM Advisors, Inc.433,307$24.0M2.97%−169,628−28.1%Reduced
Gamco Investors, Inc. Et Al416,242$23.1M0.25%−15,200−3.5%Reduced
Susquehanna International Group, LLP410,490$22.8M0.04%+382,285+1,355.4%Added
Franklin Resources Inc383,747$21.3M0.01%−100,191−20.7%Reduced
Legal & General Group Plc369,900$20.5M0.01%−28,927−7.3%Reduced
Two Sigma Advisers, LP368,098$20.4M0.05%+101,000+37.8%Added
Qube Research & Technologies Ltd362,821$20.1M0.04%+213,822+143.5%Added
Capital Group Private Client Services, Inc.361,813$20.1M0.20%+302,775+512.8%Added
Lazard Asset Management LLC348,098$19.3M0.02%−25,000−6.7%Reduced
New York State Common Retirement Fund345,625$19.2M0.03%−13,763−3.8%Reduced
Schroder Investment Management Group313,409$17.4M0.02%+41,258+15.2%Added
Squarepoint Ops LLC308,355$17.1M0.06%+271,613+739.2%Added
Rhumbline Advisers296,854$16.5M0.02%−70,614−19.2%Reduced
ExodusPoint Capital Management, LP291,631$16.2M0.18%+256,692+734.7%Added
Cubist Systematic Strategies, LLC286,186$15.9M0.27%+286,186New
SEI Investments Co286,147$15.9M0.02%−7,215−2.5%Reduced
JPMorgan Chase & Co283,078$15.7M0.00%−160,825−36.2%Reduced
Public Sector Pension Investment Board273,786$15.2M0.10%+12,284+4.7%Added
Wells Fargo & Company266,400$14.8M0.00%−32,733−10.9%Reduced
Schonfeld Strategic Advisors LLC266,058$14.8M0.11%+266,058New
Royce & Associates LP265,212$14.7M0.14%−45,987−14.8%Reduced
Mesirow Institutional Investment Management, Inc.249,466$13.8M1.21%−29,921−10.7%Reduced
Swiss National Bank244,800$13.6M0.01%−7,100−2.8%Reduced
Los Angeles Capital Management LLC211,721$11.7M0.04%+211,721New
Mountaineer Partners Management, LLC209,073$11.6M6.03%−27,323−11.6%Reduced
State of Wisconsin Investment Board200,930$11.1M0.03%−23,517−10.5%Reduced
Kennedy Capital Management, Inc.195,689$10.9M0.23%−33,156−14.5%Reduced
Renaissance Technologies LLC180,192$9.99M0.02%+44,600+32.9%Added
Soros Fund Management LLCSuperinvestorSoros Fund Management177,047$9.82M0.22%+177,047New
California Public Employees Retirement System172,920$9.59M0.01%−1,765−1.0%Reduced
Eagle Asset Management Inc174,379$9.46M0.05%+174,379New
Appian Way Asset Management LP162,782$9.03M2.32%−9,626−5.6%Reduced
British Columbia Investment Management Corp162,753$9.02M0.05%+65,753+67.8%Added
New York State Teachers Retirement System153,720$8.52M0.02%−14,591−8.7%Reduced
Great West Life Assurance Co151,929$8.43M0.02%+24,951+19.6%Added
Moody Aldrich Partners LLC148,345$8.23M1.60%−29,843−16.7%Reduced
Moore Capital Management, LP137,667$7.63M0.17%+137,667New
Twinbeech Capital LP134,716$7.47M0.15%+134,716New
Comerica Bank134,217$7.44M0.03%−7,026−5.0%Reduced
Mutual of America Capital Management LLC129,829$7.20M0.08%−6,260−4.6%Reduced
Prudential Financial Inc126,863$7.03M0.01%−15,882−11.1%Reduced
Knights of Columbus Asset Advisors LLC124,190$6.89M0.45%+1,387+1.1%Added
California State Teachers Retirement System121,427$6.73M0.01%−6,335−5.0%Reduced
Hawk Ridge Capital Management LP117,415$6.51M0.28%+117,415New
Bank of Montreal113,606$6.30M0.00%+63,378+126.2%Added
Deutsche Bank AG113,592$6.30M0.00%−267,170−70.2%Reduced