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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, 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.

Institutional holdersQ1 2024: 345 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 heldQ1 2024: $6.89B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q4 2023.

Institutions holding ATI in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
The PNC Financial Services Group, Inc.87,087$4.46M0.00%+3,037+3.6%Added
Citigroup Inc83,218$4.26M0.00%−4,673−5.3%Reduced
Mengis Capital Management, Inc.80,402$4.11M0.63%+2,650+3.4%Added
State of Alaska, Department of Revenue77,718$3.98M0.05%−768−1.0%Reduced
Voya Investment Management LLC76,618$3.92M0.00%−9,639−11.2%Reduced
Advisors Asset Management, Inc.75,729$3.88M0.07%−5,447−6.7%Reduced
State of New Jersey Common Pension Fund D75,109$3.84M0.01%00.0%Unchanged
Canada Pension Plan Investment Board74,700$3.82M0.00%+45,400+154.9%Added
Illinois Municipal Retirement Fund72,123$3.69M0.06%−11,309−13.6%Reduced
Pathstone Holdings, LLC71,340$3.65M0.02%+45,248+173.4%Added
Manufacturers Life Insurance Company, The69,878$3.58M0.00%+5,222+8.1%Added
American International Group, Inc.69,528$3.56M0.01%−619−0.9%Reduced
Covea Finance68,000$3.48M0.16%+2,000+3.0%Added
NBW Capital LLC67,681$3.46M0.71%−28,106−29.3%Reduced
MetLife Investment Management66,093$3.38M0.02%−1,907−2.8%Reduced
Buckingham Strategic Partners65,330$3.34M0.10%+65,330New
Louisiana State Employees Retirement System63,200$3.23M0.06%−600−0.9%Reduced
Natixis Advisors, L.P.62,106$3.18M0.01%+23,596+61.3%Added
Register Financial Advisors LLC61,153$3.13M1.62%+900+1.5%Added
Janus Henderson Group PLC60,807$3.11M0.00%+10.0%Added
Farmers & Merchants Investments Inc60,616$3.10M0.10%−104−0.2%Reduced
Alberta Investment Management Corp60,284$3.08M0.03%00.0%Unchanged
Capital Group Private Client Services, Inc.59,038$3.02M0.03%+59,038New
HSBC Holdings PLC58,925$3.02M0.00%−5,090−8.0%Reduced
Yousif Capital Management, LLC57,655$2.95M0.03%−6,735−10.5%Reduced
Capital Group Investment Management Pte. Ltd.56,914$2.91M0.52%−256,864−81.9%Reduced
Susquehanna Portfolio Strategies, LLC56,578$2.90M0.07%−2,978−5.0%Reduced
Citadel Advisors LLC56,488$2.89M0.00%−203,068−78.2%Reduced
CoreCommodity Management, LLC55,599$2.85M1.01%+8,979+19.3%Added
Royal Bank of Canada51,790$2.65M0.00%−32,185−38.3%Reduced
Bank of Montreal50,228$2.58M0.00%+7,915+18.7%Added
Hancock Whitney Corp48,026$2.46M0.08%−3,736−7.2%Reduced
Insight Wealth Strategies, LLC46,903$2.40M0.35%−20.0%Reduced
Ensign Peak Advisors, Inc45,891$2.35M0.00%−2,315−4.8%Reduced
Maryland State Retirement & Pension System45,971$2.34M0.05%−396−0.9%Reduced
Duality Advisers, LP44,872$2.30M0.23%−11,541−20.5%Reduced
Capital Fund Management S.A.43,329$2.22M0.03%+30,557+239.2%Added
Holocene Advisors, LP42,463$2.17M0.01%+42,463New
HRT Financial LP42,362$2.17M0.01%+9,146+27.5%Added
Teachers Retirement System of the State of Kentucky42,130$2.16M0.02%00.0%Unchanged
Jefferies Financial Group Inc.41,700$2.13M0.04%+41,700New
LPL Financial LLC40,458$2.07M0.00%+335+0.8%Added
Amalgamated Bank40,373$2.07M0.02%−14,588−26.5%Reduced
EFG Asset Management (North America) Corp.40,079$2.05M0.35%+2,261+6.0%Added
Raymond James Financial Services Advisors, Inc.39,905$2.04M0.00%+2,559+6.9%Added
Squarepoint Ops LLC36,742$1.88M0.01%−82,070−69.1%Reduced
Envestnet Asset Management Inc36,085$1.85M0.00%+17,040+89.5%Added
PDT Partners, LLC35,210$1.80M0.17%+35,210New
State of Tennessee, Treasury Department35,200$1.80M0.01%−29,706−45.8%Reduced
Arizona State Retirement System35,061$1.79M0.01%−885−2.5%Reduced
ExodusPoint Capital Management, LP34,939$1.79M0.02%+12,055+52.7%Added
Oregon Public Employees Retirement Fund34,161$1.75M0.03%−3,200−8.6%Reduced
Beck Capital Management, LLC33,967$1.74M0.50%−650−1.9%Reduced
Chartwell Investment Partners, LLC33,255$1.70M0.06%+792+2.4%Added
ClariVest Asset Management LLC32,547$1.67M0.17%−294−0.9%Reduced
State Board of Administration of Florida Retirement System41,258$1.63M0.00%+4,420+12.0%Added
Waldron Private Wealth LLC29,894$1.53M0.07%00.0%Unchanged
HighTower Advisors, LLC29,343$1.50M0.00%+572+2.0%Added
Susquehanna International Group, LLP28,205$1.44M0.00%−30,919−52.3%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys27,551$1.41M0.01%+21+0.1%Added
Janney Montgomery Scott LLC27,473$1.41M0.00%+11,149+68.3%Added
Zurcher Kantonalbank (Zurich Cantonalbank)26,923$1.38M0.00%−1,666−5.8%Reduced
Glenmede Trust Co NA26,686$1.37M0.01%+2,617+10.9%Added
ProShare Advisors LLC25,981$1.33M0.00%+1,789+7.4%Added
UniSuper Management Pty Ltd25,937$1.33M0.01%+25,937New
Concentric Capital Strategies, LP25,496$1.30M0.08%+25,496New
CI Private Wealth, LLC25,257$1.29M0.00%+14,701+139.3%Added
Fruth Investment Management24,700$1.26M0.32%−600−2.4%Reduced
Huntington National Bank23,674$1.21M0.01%−268−1.1%Reduced
Stifel Financial Corp23,553$1.21M0.00%+5,877+33.2%Added
Commonwealth Equity Services, LLC23,092$1.18M0.00%+663+3.0%Added
Advisory Services Network, LLC22,876$1.17M0.03%−3,009−11.6%Reduced
Walleye Trading LLC22,733$1.16M0.02%−1,749−7.1%Reduced
Nisa Investment Advisors, LLC21,955$1.12M0.01%+533+2.5%Added
Federation des caisses Desjardins du Quebec24,381$1.11M0.01%00.0%Unchanged
Everence Capital Management Inc21,650$1.11M0.07%00.0%Unchanged
Ballentine Partners, LLC21,456$1.10M0.02%−2,741−11.3%Reduced
Ethic Inc.21,044$1.08M0.03%+1,377+7.0%Added
Russell Investments Group, Ltd.19,743$1.01M0.00%−36,820−65.1%Reduced
Creative Planning19,010$972.7K0.00%+8,629+83.1%Added
Mariner, LLC18,858$965.0K0.00%+3,910+26.2%Added
Paradigm Capital Management Inc18,000$921.1K0.04%00.0%Unchanged
RMB Capital Management, LLC17,706$906.0K0.02%00.0%Unchanged
AQR Capital Management LLC17,525$896.8K0.00%+236+1.4%Added
Freemont Management S.A.17,400$890.4K0.14%−5,400−23.7%Reduced
Northwestern Mutual Wealth Management Co17,285$884.5K0.00%−397−2.2%Reduced
Teza Capital Management LLC17,026$871.2K0.12%+17,026New
FourThought Financial Partners, LLC16,197$828.8K0.09%−5,331−24.8%Reduced
NVWM, LLC16,177$827.8K0.23%+334+2.1%Added
Pictet Asset Management Holding SA15,848$810.9K0.00%+670+4.4%Added
Black Swift Group, LLC15,000$767.5K0.20%+15,000New
Susquehanna Fundamental Investments, LLC14,908$762.8K0.04%+14,908New
Public Employees Retirement Association of Colorado14,900$762.0K0.00%−2,474−14.2%Reduced
Tudor Investment Corp Et Al14,795$757.1K0.01%−78,815−84.2%Reduced
Edgestream Partners, L.P.14,485$741.2K0.04%−3,089−17.6%Reduced
Winton Group Ltd13,643$698.1K0.05%+5,414+65.8%Added
STRS Ohio13,600$695.0K0.00%−900−6.2%Reduced
First Business Financial Services, Inc.13,455$688.5K0.07%00.0%Unchanged
Verition Fund Management LLC13,300$680.6K0.01%−57,347−81.2%Reduced
US Bancorp13,052$667.9K0.00%−6,696−33.9%Reduced