ATI (ATI) Institutional Ownership $82.65 -1.93 (-2.28%) Closing price 06/10/2025 03:59 PM EasternExtended Trading$82.90 +0.25 (+0.30%) As of 06/10/2025 07:32 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for ATI (NYSE:ATI)Number ofInstitutional Buyers(last 12 months)270TotalInstitutional Inflows(last 12 months)$2.35BNumber ofInstitutional Sellers(last 12 months)162TotalInstitutional Outflows(last 12 months)$1.65B Get ATI Insider Trade Alerts Want to know when executives and insiders are buying or selling ATI stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data ATI Institutional Buying and Selling by Quarter ATI Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails6/3/2025 Inspire Investing LLC6,641$346K0.0%-8.6%0.005% 5/28/2025 Strs Ohio18,018$937K0.0%N/A0.013% 5/20/2025 Intech Investment Management LLC58,458$3.04M0.0%+104.3%0.041% 5/19/2025 UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC658,195$34.25M0.0%+10.2%0.467% 5/16/2025 Woodline Partners LP944,216$49.13M0.3%-4.8%0.669% 5/16/2025 United Services Automobile Association9,025$460K0.0%N/A0.006% 5/16/2025 Aristeia Capital L.L.C.10,020$521K0.0%-16.9%0.007% 5/16/2025 Goldman Sachs Group Inc.633,948$32.98M0.0%+49.4%0.449% 5/16/2025 Dynamic Technology Lab Private Ltd6,232$324K0.0%N/A0.004% 5/16/2025 Teza Capital Management LLC8,073$420K0.2%N/A0.006% Get the Latest News and Ratings for ATI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ATI and its competitors with MarketBeat's FREE daily newsletter. 5/16/2025 Petrus Trust Company LTA5,339$278K0.0%N/A0.004% 5/16/2025 PharVision Advisers LLC5,563$289K0.4%N/A0.004% 5/16/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.1,011,879$52.65M0.1%+5.9%0.717% 5/16/2025 Ionic Capital Management LLC18,200$947K0.1%+97.8%0.013% 5/16/2025 Jacobs Levy Equity Management Inc.81,496$4.24M0.0%N/A0.058% 5/16/2025 Hancock Whitney Corp5,312$276K0.0%-19.9%0.004% 5/16/2025 EFG Asset Management North America Corp.35,072$1.83M0.3%-23.0%0.025% 5/16/2025 Cinctive Capital Management LP24,435$1.27M0.1%+68.9%0.017% 5/16/2025 Alta Fox Capital Management LLC216,300$11.25M4.5%N/A0.153% 5/16/2025 AQR Capital Management LLC54,031$2.81M0.0%-80.6%0.038% 5/16/2025 Advisors Asset Management Inc.82,766$4.31M0.1%-1.1%0.059% 5/16/2025 Amundi101,541$4.96M0.0%+38.5%0.072% 5/15/2025 Appian Way Asset Management LP91,765$4.78M1.1%N/A0.065% 5/15/2025 Dark Forest Capital Management LP64,436$3.35M0.2%N/A0.046% 5/15/2025 PDT Partners LLC98,362$5.12M0.4%+15.4%0.070% 5/15/2025 Focus Partners Advisor Solutions LLC46,018$2.39M0.0%-10.1%0.033% 5/15/2025 Cubist Systematic Strategies LLC248,963$12.95M0.1%N/A0.176% 5/15/2025 Royal Bank of Canada60,369$3.14M0.0%+8.1%0.043% 5/15/2025 Quarry LP1,770$92K0.0%+216.6%0.001% 5/15/2025 DRW Securities LLC13,100$682K0.0%N/A0.009% 5/15/2025 Twin Tree Management LP5,309$276K0.0%N/A0.004% 5/15/2025 Vident Advisory LLC8,337$434K0.0%N/A0.006% 5/15/2025 Evergreen Capital Management LLC7,931$413K0.0%+2.3%0.006% 5/15/2025 Magnetar Financial LLC42,401$2.21M0.0%+874.7%0.030% 5/15/2025 Canada Pension Plan Investment Board200,400$10.43M0.0%-1.2%0.142% 5/15/2025 WPG Advisers LLC551$29K0.0%N/A0.000% 5/15/2025 Tema Etfs LLC116,226$6.05M1.8%+49.7%0.082% 5/15/2025 Trexquant Investment LP419,126$21.81M0.3%N/A0.297% 5/14/2025 Ieq Capital LLC6,001$312K0.0%-70.2%0.004% 5/14/2025 Gamco Investors INC. ET AL401,700$20.90M0.2%-1.0%0.285% The Trump Dump is starting; Get out of stocks now? (Ad)The first 365 days of the Trump presidency… Will be the best time to get rich in American history.If I’m right about this (like I was before) a modest $900 investment could grow to a life-changing a5/14/2025 Corebridge Financial Inc.157,425$8.19M0.0%+2,574.1%0.112% 5/14/2025 Comerica Bank146,994$7.65M0.0%-21.3%0.104% 5/14/2025 MetLife Investment Management LLC78,862$4.10M0.0%+3,539.2%0.056% 5/14/2025 Forest Avenue Capital Management LP862,334$44.87M6.1%N/A0.611% 5/14/2025 Smartleaf Asset Management LLC2,194$112K0.0%-8.8%0.002% 5/14/2025 Northwestern Mutual Wealth Management Co.18,743$975K0.0%+10.8%0.013% 5/14/2025 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp358,992$18.68M0.1%+34.3%0.254% 5/14/2025 AlphaQuest LLC5,602$291K0.0%+24.2%0.004% 5/14/2025 Ameriprise Financial Inc.2,917,656$151.81M0.0%-7.5%2.068% 5/14/2025 Channing Capital Management LLC1,553,796$80.84M2.4%-7.2%1.101% 5/14/2025 Price T Rowe Associates Inc. MD938,929$48.85M0.0%-16.8%0.666% 5/14/2025 Jones Road Capital Management L.P.109,877$5.72M3.6%-29.3%0.078% 5/14/2025 EntryPoint Capital LLC9,985$520K0.2%+41.7%0.007% 5/14/2025 Bowen Hanes & Co. Inc.1,371,335$71.35M2.0%+0.3%0.972% 5/14/2025 Credit Agricole S A34,186$1.78M0.0%+114.6%0.024% 5/14/2025 Banco Bilbao Vizcaya Argentaria S.A.4,433$224K0.0%N/A0.003% 5/14/2025 Hsbc Holdings PLC4,722$246K0.0%-80.2%0.003% 5/14/2025 Senator Investment Group LP1,212,500$63.09M3.3%+68.7%0.860% 5/14/2025 Maven Securities LTD5,848$304K0.0%+4.4%0.004% 5/14/2025 Wellington Management Group LLP518,193$26.96M0.0%+14.8%0.367% 5/13/2025 Northern Trust Corp1,262,761$65.70M0.0%+33.4%0.895% 5/13/2025 Versor Investments LP31,392$1.63M0.3%N/A0.022% 5/13/2025 Algert Global LLC107,095$5.57M0.1%-17.8%0.076% 5/13/2025 Roubaix Capital LLC76,325$3.97M2.1%N/A0.054% 5/13/2025 Raymond James Financial Inc.845,252$43.98M0.0%+5.4%0.599% 5/13/2025 State of New Jersey Common Pension Fund D48,306$2.51M0.0%+2.6%0.034% 5/13/2025 American Century Companies Inc.1,422,116$73.99M0.0%+4.5%1.008% 5/13/2025 Ethic Inc.25,637$1.35M0.0%-29.2%0.018% 5/13/2025 Dimensional Fund Advisors LP2,617,314$136.16M0.0%+2.3%1.855% 5/13/2025 Fox Run Management L.L.C.10,363$539K0.1%N/A0.007% 5/13/2025 Neuberger Berman Group LLC1,132,296$58.91M0.0%+35.5%0.803% 5/13/2025 HighTower Advisors LLC26,356$1.37M0.0%-4.0%0.019% 5/12/2025 Operose Advisors LLC2,794$145K0.0%N/A0.002% 5/12/2025 Entropy Technologies LP17,017$885K0.1%N/A0.012% 5/12/2025 Invesco Ltd.4,850,439$252.37M0.0%+3.3%3.438% 5/12/2025 NBW Capital LLC74,383$3.87M0.9%-22.1%0.053% 5/12/2025 Swiss National Bank276,300$14.38M0.0%+12.9%0.196% 5/12/2025 Maryland State Retirement & Pension System5,766$300K0.0%-89.5%0.004% 5/9/2025 CenterBook Partners LP17,791$926K0.1%+338.1%0.013% 5/9/2025 Headlands Technologies LLC896$47K0.0%N/A0.001% 5/9/2025 Deutsche Bank AG8,885$462K0.0%-93.0%0.006% 5/9/2025 Charles Schwab Investment Management Inc.1,492,516$77.66M0.0%-4.5%1.058% 5/9/2025 Vanguard Group Inc.13,896,542$723.04M0.0%-9.4%9.851% 5/9/2025 New Age Alpha Advisors LLC7,295$380K0.0%-13.3%0.005% 5/9/2025 PNC Financial Services Group Inc.75,920$3.95M0.0%-28.3%0.054% 5/8/2025 IFG Advisory LLC5,221$272K0.0%N/A0.004% 5/8/2025 Mengis Capital Management Inc.82,907$4.31M0.9%+3.2%0.059% 5/8/2025Jefferies Financial Group Inc.72,795$3.79M0.0%-17.8%0.052% 5/8/2025 Alberta Investment Management Corp105,393$5.48M0.0%+24.2%0.075% 5/8/2025 US Bancorp DE5,959$310K0.0%-10.9%0.004% Everyone’s watching Nvidia right now. 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(Ad)So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal with Saudi Arabia to power its new AI empire 🤯 We’re talking about hundreds of thousands of chips, including their latest Grace Blackwell supercomputer.🎯 Click here to watch the video and get the free ticker XGPT just flagged.5/8/2025 Natixis Advisors LLC64,338$3.35M0.0%-17.1%0.046% 5/8/2025 NorthRock Partners LLC540,531$28.12M0.9%+62.1%0.383% 5/8/2025 XTX Topco Ltd43,443$2.26M0.1%N/A0.031% 5/8/2025 GSA Capital Partners LLP16,350$851K0.1%N/A0.012% 5/8/2025 Federated Hermes Inc.443,023$23.05M0.0%+3.1%0.314% 5/7/2025 LPL Financial LLC56,808$2.96M0.0%+18.5%0.040% 5/7/2025 Zurcher Kantonalbank Zurich Cantonalbank 52,395$2.73M0.0%+66.1%0.037% 5/7/2025 FourThought Financial Partners LLC14,200$739K0.1%-2.3%0.010% 5/7/2025 Freemont Management S.A.2,600$135K0.0%-10.3%0.002% 5/6/2025 Royce & Associates LP271,222$14.11M0.2%+9.0%0.192% (Data available from 1/1/2016 forward) ATI Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of ATI shares? During the previous two years, 404 institutional investors and hedge funds held shares of ATI. The most heavily invested institutionals were Capital International Investors ($875.19M), Vanguard Group Inc. ($723.04M), Capital World Investors ($378.43M), FMR LLC ($364.47M), State Street Corp ($362.23M), Invesco Ltd. ($252.37M), and Dendur Capital LP ($196.33M).Learn more on ATI's institutional investors. Which institutional investors have been buying ATI stock? Of the 344 institutional investors that purchased ATI stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Mountaineer Partners Management LLC ($9.24M), Capital World Investors ($4.32M), Dendur Capital LP ($3.06M), Capital International Investors ($2.85M), Norges Bank ($2.77M), Vanguard Group Inc. ($2.15M), and Point72 Asset Management L.P. ($1.97M). How much institutional buying is happening at ATI? Institutional investors have bought a total of 56,186,379 shares in the last 24 months. This purchase volume represents approximately $3.05B in transactions. Which ATI major shareholders have been selling company stock? Of the 213 institutional investors that sold ATI stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Thrivent Financial for Lutherans ($7.91M), FMR LLC ($4.23M), Vanguard Group Inc. ($1.61M), 1832 Asset Management L.P. ($1.54M), Millennium Management LLC ($1.50M), Federated Hermes Inc. ($1.36M), and Victory Capital Management Inc. ($1.20M). How much institutional selling is happening at ATI? Institutional investors have sold a total of 33,868,873 shares in the last 24 months. This volume of shares sold represents approximately $1.93B in transactions. 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