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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, Q4 2024

Institutional positions in Ati Inc as of Dec 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
403
−9 vs. Q3 2024
Shares held
136.4M
+4.44M (+3.4%) vs. Q3 2024
Total value
$7.51B
−$1.32B (−14.9%) vs. Q3 2024
New holders
76
137 more added
Sold out
85
132 more reduced

9 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 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 heldQ4 2024: $7.51B
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, Q4 2024

Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q3 2024.

Institutions holding ATI in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Cinctive Capital Management LP14,463$796.0K0.04%+14,463New
Gabelli Funds LLC14,500$798.1K0.01%+14,500New
FourThought Financial Partners, LLC14,536$800.1K0.08%+14,536New
Fruth Investment Management14,750$811.0K0.22%−9,450−39.0%Reduced
Verition Fund Management LLC15,298$842.0K0.00%−11,062−42.0%Reduced
Commonwealth Equity Services, LLC15,316$843.0K0.00%−245−1.6%Reduced
Credit Agricole S A15,928$876.7K0.00%00.0%Unchanged
Wealth Enhancement Advisory Services, LLC16,397$902.5K0.00%+64+0.4%Added
NVWM, LLC16,453$905.6K0.23%+499+3.1%Added
Northwestern Mutual Wealth Management Co16,923$931.4K0.00%+156+0.9%Added
ExodusPoint Capital Management, LP16,942$932.0K0.01%−139,190−89.1%Reduced
Nisa Investment Advisors, LLC16,996$935.5K0.00%00.0%Unchanged
Jane Street Group, LLC17,454$960.7K0.00%−574,294−97.1%Reduced
Qsemble Capital Management, LP17,606$969.0K0.13%+10,846+160.4%Added
Paradigm Capital Management Inc18,000$990.7K0.05%00.0%Unchanged
Pictet Asset Management Holding SA19,240$1.06M0.00%+1,941+11.2%Added
Mariner, LLC19,429$1.07M0.00%−110−0.6%Reduced
Ieq Capital, LLC20,125$1.11M0.01%+16,272+422.3%Added
Mutual of America Capital Management LLC21,607$1.19M0.01%−32,211−59.9%Reduced
Crestline Management, LP22,100$1.22M0.04%+22,100New
Huntington National Bank23,238$1.28M0.01%+28+0.1%Added
Squarepoint Ops LLC23,520$1.29M0.00%−10,697−31.3%Reduced
Advisory Services Network, LLC23,559$1.30M0.02%+533+2.3%Added
Stifel Financial Corp23,709$1.30M0.00%+1,075+4.7%Added
Lido Advisors, LLC23,777$1.31M0.01%+1,519+6.8%Added
Envestnet Portfolio Solutions, Inc.23,926$1.32M0.00%+6,299+35.7%Added
HSBC Holdings PLC23,908$1.32M0.00%−19,880−45.4%Reduced
Healthcare of Ontario Pension Plan Trust Fund24,031$1.32M0.00%+24,031New
Fieldview Capital Management, LLC24,614$1.35M0.21%+24,614New
1492 Capital Management LLC24,967$1.37M0.65%+7,979+47.0%Added
CoreCommodity Management, LLC24,999$1.38M0.27%−7,019−21.9%Reduced
Creative Planning25,924$1.43M0.00%−1,970−7.1%Reduced
KLP Kapitalforvaltning AS26,600$1.46M0.01%+26,600New
HighTower Advisors, LLC27,467$1.51M0.00%−2,015−6.8%Reduced
Intech Investment Management LLC28,620$1.58M0.02%+12,333+75.7%Added
Manufacturers Life Insurance Company, The28,810$1.59M0.00%+3,844+15.4%Added
CWM, LLC29,862$1.64M0.01%−5,312−15.1%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys30,452$1.68M0.01%+3,848+14.5%Added
Zurcher Kantonalbank (Zurich Cantonalbank)31,545$1.74M0.00%+3,063+10.8%Added
Guggenheim Capital LLC31,917$1.76M0.01%+9,109+39.9%Added
STRS Ohio32,508$1.79M0.01%+8,595+35.9%Added
Janney Montgomery Scott LLC32,890$1.81M0.01%+45+0.1%Added
Susquehanna International Group, LLP33,276$1.83M0.00%−17,462−34.4%Reduced
Oregon Public Employees Retirement Fund33,521$1.84M0.03%+4,200+14.3%Added
Arizona State Retirement System36,122$1.99M0.01%+289+0.8%Added
Ethic Inc.36,212$1.99M0.04%+15,168+72.1%Added
Agp Franklin, LLC38,294$2.11M1.28%+38,294New
Sagefield Capital LP40,155$2.21M0.24%+40,155New
BW Gestao de Investimentos Ltda.42,000$2.31M0.11%+42,000New
Public Employees Retirement System of Ohio43,006$2.37M0.01%−2,389−5.3%Reduced
Amalgamated Bank43,475$2.39M0.02%+4,523+11.6%Added
Police & Firemen's Retirement System of New Jersey44,017$2.42M0.02%+44,017New
Envestnet Asset Management Inc44,860$2.47M0.00%−3,595−7.4%Reduced
EFG Asset Management (North America) Corp.45,530$2.51M0.34%+16,902+59.0%Added
Ensign Peak Advisors, Inc45,891$2.53M0.00%00.0%Unchanged
State of New Jersey Common Pension Fund D47,065$2.59M0.01%−1,135−2.4%Reduced
Graphene Investments SAS47,100$2.59M1.79%00.0%Unchanged
Knights of Columbus Asset Advisors LLC47,764$2.63M0.17%−14,449−23.2%Reduced
LPL Financial LLC47,932$2.64M0.00%−2,203−4.4%Reduced
Shay Capital LLC49,000$2.70M0.66%+49,000New
Sapience Investments, LLC50,038$2.75M1.61%−9,165−15.5%Reduced
Register Financial Advisors LLC50,253$2.77M1.39%00.0%Unchanged
Winton Group Ltd50,916$2.80M0.19%−65,553−56.3%Reduced
Buckingham Strategic Partners51,169$2.82M0.05%+680+1.3%Added
Yousif Capital Management, LLC53,980$2.97M0.03%+5,749+11.9%Added
Treasurer of the State of North Carolina54,250$2.99M0.01%+340+0.6%Added
State of Tennessee, Treasury Department54,886$3.02M0.01%−3,974−6.8%Reduced
Maryland State Retirement & Pension System55,080$3.03M0.07%+6,007+12.2%Added
Farmers & Merchants Investments Inc55,110$3.03M0.10%−2,000−3.5%Reduced
Janus Henderson Group PLC55,254$3.04M0.00%00.0%Unchanged
Royal Bank of Canada55,827$3.07M0.00%−2,677−4.6%Reduced
Brevan Howard Capital Management LP57,226$3.15M0.08%+11,907+26.3%Added
Voya Investment Management LLC58,191$3.20M0.00%+10,735+22.6%Added
Barclays PLC58,959$3.25M0.00%+6,418+12.2%Added
Moore Capital Management, LP59,817$3.29M0.06%+59,817New
Van Eck Associates Corp62,868$3.46M0.00%+2,926+4.9%Added
Teachers Retirement System of the State of Kentucky63,019$3.47M0.03%−7,086−10.1%Reduced
Covea Finance65,000$3.58M0.16%+16,000+32.7%Added
Pathstone Holdings, LLC67,833$3.73M0.02%+179+0.3%Added
ING Groep NV68,400$3.76M0.03%+20,400+42.5%Added
Louisiana State Employees Retirement System69,000$3.80M0.07%+8,800+14.6%Added
Illinois Municipal Retirement Fund69,555$3.83M0.05%+2,404+3.6%Added
Amundi73,326$4.08M0.00%+51,184+231.2%Added
Schonfeld Strategic Advisors LLC75,368$4.15M0.03%−52,501−41.1%Reduced
Bridgewater Associates, LP76,732$4.22M0.02%+76,732New
Natixis Advisors, L.P.77,567$4.27M0.01%−190−0.2%Reduced
NEOS Investment Management LLC77,616$4.27M0.10%+14,454+22.9%Added
Tema ETFs LLC77,616$4.27M1.77%+77,616New
Moody Aldrich Partners LLC77,783$4.28M0.79%−67,780−46.6%Reduced
Edgestream Partners, L.P.78,692$4.33M0.18%+78,692New
Mengis Capital Management, Inc.80,332$4.42M0.90%+1,530+1.9%Added
State of Alaska, Department of Revenue81,067$4.46M0.05%+10,041+14.1%Added
Boothbay Fund Management, LLC81,656$4.49M0.14%+81,656New
Advisors Asset Management, Inc.83,652$4.60M0.08%+6,630+8.6%Added
State Board of Administration of Florida Retirement System83,900$4.62M0.01%+27,320+48.3%Added
Alberta Investment Management Corp84,826$4.67M0.03%−14,155−14.3%Reduced
PDT Partners, LLC85,262$4.69M0.42%−1,213−1.4%Reduced
Man Group plc86,434$4.76M0.01%−966−1.1%Reduced
Jefferies Financial Group Inc.88,600$4.88M0.05%+78,500+777.2%Added
Bank of Montreal89,674$4.94M0.00%−67,580−43.0%Reduced