This company has been marked as potentially delisted and may not be actively trading. Arcadium Lithium (ALTM) Institutional Ownership Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsEarningsHeadlinesInsider TradesOwnershipShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Arcadium Lithium (NYSE:ALTM)CurrentInstitutional OwnershipPercentage27.00%Number ofInstitutional Buyers(last 12 months)4TotalInstitutional Inflows(last 12 months)$4.43MNumber ofInstitutional Sellers(last 12 months)3TotalInstitutional Outflows(last 12 months)$889.90K Get ALTM Insider Trade Alerts Want to know when executives and insiders are buying or selling Arcadium Lithium stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data ALTM Institutional Buying and Selling by Quarter Arcadium Lithium Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/12/2025 Strengthening Families & Communities LLC7,378$43K0.0%+327.7%0.001% 5/5/2025 IFP Advisors Inc4,985$29K0.0%-28.6%0.000% 3/24/2025 Wellington Management Group LLP8,379,545$42.99M0.0%-1.9%0.778% 3/18/2025 California State Teachers Retirement System1,006,375$5.16M0.0%-1.1%0.093% 3/18/2025CIBRA Capital Ltd825,502$4.24M2.9%N/A0.077% 3/17/2025 Wealth Enhancement Advisory Services LLC65,364$335K0.0%+31.1%0.006% 3/4/2025 Comprehensive Money Management Services LLC16,050$82K0.1%N/A0.001% (Data available from 1/1/2016 forward) ALTM Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of ALTM shares? During the previous two years, the following institutional investors and hedge funds held shares of Arcadium Lithium shares: Wellington Management Group LLP ($42.99M), California State Teachers Retirement System ($5.16M), CIBRA Capital Ltd ($4.24M), Wealth Enhancement Advisory Services LLC ($335K), Comprehensive Money Management Services LLC ($82K), and Strengthening Families & Communities LLC ($43K), and IFP Advisors Inc ($29K).Learn more on Arcadium Lithium's institutional investors. What percentage of Arcadium Lithium's stock is owned by institutional investors? 27.00% of Arcadium Lithium's stock is owned by institutional investors. Learn more on ALTM's institutional investor holdings. Which institutional investors have been buying Arcadium Lithium's stock? The following institutional investors have purchased Arcadium Lithium's stock in the last 24 months: CIBRA Capital Ltd ($825.50K), Comprehensive Money Management Services LLC ($16.05K), Wealth Enhancement Advisory Services LLC ($15.52K), and Strengthening Families & Communities LLC ($5.65K). How much institutional buying is happening at Arcadium Lithium? Institutional investors have bought a total of 862,725 shares in the last 24 months. This purchase volume represents approximately $4.43M in transactions. Which of Arcadium Lithium's major shareholders have been selling company stock? The following institutional investors have sold Arcadium Lithium stock in the last 24 months: Wellington Management Group LLP ($159.83K), California State Teachers Retirement System ($11.37K), and IFP Advisors Inc ($2K). How much institutional selling is happening at Arcadium Lithium? Institutional investors have sold a total of 173,191 shares in the last 24 months. This volume of shares sold represents approximately $889.90K in transactions. Related Companies AXTA Institutional Ownership ESI Institutional Ownership CSW Institutional Ownership AVNT Institutional Ownership PRM Institutional Ownership MEOH Institutional Ownership PCT Institutional Ownership NGVT Institutional Ownership CC Institutional Ownership UAN Institutional Ownership This page (NYSE:ALTM) was last updated on 8/16/2025 by MarketBeat.com Staff From Our PartnersAmazon’s big Bitcoin embarrassmentBitcoin just passed Amazon in total market cap — but most investors are missing the bigger opportunity. Whi...Brownstone Research | SponsoredGenesis 14:13-17 [HIDDEN MEANING?]A mysterious Bible verse from Genesis may hold the key to unlocking what one expert calls an “American birthri...Paradigm Press | SponsoredEveryone’s watching Nvidia right now. 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