Armstrong World Industries (AWI) Institutional Ownership $195.02 -1.08 (-0.55%) Closing price 09/23/2025 03:59 PM EasternExtended Trading$194.89 -0.13 (-0.06%) As of 09/23/2025 04:10 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Armstrong World Industries (NYSE:AWI)CurrentInstitutional OwnershipPercentage98.93%Number ofInstitutional Buyers(last 12 months)270TotalInstitutional Inflows(last 12 months)$1.11BNumber ofInstitutional Sellers(last 12 months)180TotalInstitutional Outflows(last 12 months)$855.77M Get AWI Insider Trade Alerts Want to know when executives and insiders are buying or selling Armstrong World Industries stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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Skip Chart & View Institutional Buying and Selling Data AWI Institutional Buying and Selling by Quarter Armstrong World Industries Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails9/4/2025 Osaic Holdings Inc.2,452$397K0.0%-22.6%0.006% 8/27/2025 Orion Porfolio Solutions LLC19,823$3.22M0.0%-17.6%0.046% 8/27/2025 Squarepoint Ops LLC5,194$844K0.0%+116.8%0.012% 8/26/2025 Thrivent Financial for Lutherans72,736$11.82M0.0%-20.7%0.168% 8/19/2025 State of Wyoming3,194$519K0.1%+3.6%0.007% 8/18/2025 Caxton Associates LLP1,829$297K0.0%N/A0.004% 8/16/2025 Public Sector Pension Investment Board188,590$30.64M0.1%+5.6%0.436% 8/16/2025 Headlands Technologies LLC282$46K0.0%N/A0.001% 8/15/2025 CANADA LIFE ASSURANCE Co45,190$7.35M0.0%-1.3%0.104% 8/15/2025 Tower Research Capital LLC TRC 560$91K0.0%+283.6%0.001% 8/15/2025 Corient Private Wealth LLC14,391$2.34M0.0%+1.0%0.033% 8/15/2025 State of Tennessee Department of Treasury22,445$3.65M0.0%+2.3%0.052% 8/15/2025 Captrust Financial Advisors6,528$1.06M0.0%-11.5%0.015% 8/15/2025 Tidal Investments LLC3,948$641K0.0%-7.4%0.009% 8/15/2025 Smartleaf Asset Management LLC797$130K0.0%+33.1%0.002% 8/15/2025 Snowden Capital Advisors LLC2,441$397K0.0%-14.5%0.006% 8/15/2025 Orion Porfolio Solutions LLC19,823$3.22M0.0%-17.6%0.046% 8/15/2025 MML Investors Services LLC30,062$4.88M0.0%-4.9%0.069% 8/15/2025 Man Group plc45,336$7.36M0.0%+9.8%0.105% 8/15/2025 Lazard Asset Management LLC8,161$1.32M0.0%-50.9%0.019% 8/15/2025 London Co. of Virginia2,300,944$373.77M2.1%-15.4%5.319% 8/15/2025 HRT Financial LP40,665$6.61M0.0%+237.9%0.094% 8/15/2025 Harvey Partners LLC214,055$34.77M3.4%+0.3%0.495% 8/15/2025 Engineers Gate Manager LP48,638$7.90M0.1%+19.9%0.112% 8/15/2025 Cubist Systematic Strategies LLC83,089$13.50M0.1%-23.3%0.192% 8/15/2025 Beck Mack & Oliver LLC27,256$4.43M0.1%-0.4%0.063% 8/15/2025 BNP Paribas Financial Markets24,422$3.97M0.0%+480.8%0.056% 8/15/2025 Brevan Howard Capital Management LP6,627$1.08M0.0%-15.5%0.015% 8/15/2025 Balyasny Asset Management L.P.143,113$23.25M0.0%+1,782.8%0.331% 8/15/2025 Bank of America Corp DE524,005$85.12M0.0%-22.6%1.211% 8/15/2025 Adage Capital Partners GP L.L.C.737,000$119.72M0.2%+121.3%1.704% 8/15/2025 Ameriprise Financial Inc.194,791$31.64M0.0%-1.4%0.450% 8/15/2025 AQR Capital Management LLC543,009$88.21M0.1%+118.6%1.255% 8/14/2025 Raymond James Financial Inc.48,738$7.92M0.0%-12.1%0.113% 8/14/2025 Canada Pension Plan Investment Board2,900$471K0.0%+38.1%0.007% 8/14/2025 Quantinno Capital Management LP37,833$6.15M0.0%+48.4%0.087% 8/14/2025 Alliancebernstein L.P.923,420$150M0.0%-10.3%2.135% 8/14/2025 Ieq Capital LLC54,813$8.90M0.1%+192.3%0.127% 8/14/2025 Treasurer of the State of North Carolina59,984$9.74M0.0%+201.8%0.139% 8/14/2025 The Manufacturers Life Insurance Company 8,222$1.34M0.0%-14.9%0.019% 8/14/2025 Squarepoint Ops LLC5,194$844K0.0%+116.8%0.012% 8/14/2025 1060 Capital LLC35,000$5.69M11.5%N/A0.081% 8/14/2025 Sei Investments Co.86,238$14.01M0.0%-4.7%0.199% 8/14/2025 Nebula Research & Development LLC2,588$420K0.0%-66.3%0.006% 8/14/2025 Qube Research & Technologies Ltd109,521$17.79M0.0%+88.8%0.253% 8/14/2025 Southernsun Asset Management LLC176,921$28.74M4.0%-24.4%0.409% 8/14/2025 Lombard Odier Asset Management USA Corp1,978$321K0.0%N/A0.005% 8/14/2025 State Street Corp1,382,838$224.63M0.0%-4.4%3.197% 8/14/2025 Natixis17,557$2.85M0.0%N/A0.041% 8/14/2025 Burgundy Asset Management Ltd.1,321,078$214.60M2.1%+3.0%3.054% 8/14/2025 California Public Employees Retirement System85,068$13.82M0.0%+7.1%0.197% 8/14/2025 Cerity Partners LLC27,119$4.41M0.0%+29.6%0.063% 8/13/2025 Jump Financial LLC83,986$13.64M0.2%+78.0%0.194% 8/13/2025 Quantum Portfolio Management LLC2,477$402K0.2%-20.6%0.006% 8/13/2025 Diametric Capital LP1,819$295K0.2%N/A0.004% 8/13/2025 Amundi7,638$1.27M0.0%-78.3%0.018% 8/13/2025 Walleye Capital LLC66,387$10.78M0.0%+660.5%0.153% 8/13/2025 First Trust Advisors LP165,829$26.94M0.0%-13.6%0.383% 8/13/2025 EverSource Wealth Advisors LLC1,500$244K0.0%+400.0%0.003% 8/13/2025 Walleye Trading LLC3,336$542K0.0%N/A0.008% 8/13/2025 Invesco Ltd.682,445$110.86M0.0%+0.3%1.578% 8/13/2025 Twin Peaks Wealth Advisors LLC199$32K0.0%N/A0.000% 8/13/2025 Arrowstreet Capital Limited Partnership350,633$56.96M0.0%+4.1%0.811% 8/13/2025 Quantbot Technologies LP29,081$4.72M0.1%+63.3%0.067% 8/13/2025 M&T Bank Corp1,546$251K0.0%-33.2%0.004% 8/13/2025 Timucuan Asset Management Inc. FL839,676$136.40M4.0%-2.3%1.941% 8/13/2025 Claret Asset Management Corp1,426$232K0.0%-17.1%0.003% 8/13/2025 Shelton Capital Management1,593$259K0.0%-3.2%0.004% 8/13/2025 Bare Financial Services Inc359$58K0.0%+1,789.5%0.001% 8/13/2025 River Road Asset Management LLC362,519$58.89M0.7%-6.6%0.838% 8/13/2025 Lido Advisors LLC4,006$651K0.0%+73.9%0.009% 8/13/2025 New York State Common Retirement Fund21,873$3.55M0.0%-1.5%0.051% 8/13/2025 Schroder Investment Management Group177,232$28.79M0.0%+3.3%0.410% 8/13/2025 Norges Bank519,651$84.41M0.0%N/A1.201% 8/13/2025 Quadrature Capital Ltd5,185$843K0.0%+6.0%0.012% 8/13/2025 Hsbc Holdings PLC24,645$4.00M0.0%+10.1%0.057% 8/13/2025 Northwestern Mutual Wealth Management Co.1,111$181K0.0%+21.7%0.003% 8/13/2025 Advantage Alpha Capital Partners LP20,199$3.28M0.9%-13.2%0.047% 8/13/2025 State Board of Administration of Florida Retirement System58,520$9.51M0.0%+1.0%0.135% 8/13/2025 Employees Retirement System of Texas358$58K0.0%N/A0.001% 8/13/2025 Choreo LLC4,245$690K0.0%+53.4%0.010% 8/13/2025 Russell Investments Group Ltd.7,948$1.29M0.0%+31.8%0.018% 8/12/2025 XTX Topco Ltd21,881$3.55M0.1%N/A0.051% 8/12/2025 Steward Partners Investment Advisory LLC970$158K0.0%-36.2%0.002% 8/12/2025 Summit Global Investments7,017$1.14M0.1%N/A0.016% 8/12/2025 Global Retirement Partners LLC3,682$598K0.0%N/A0.009% 8/12/2025 Prudential Financial Inc.54,305$8.82M0.0%-42.6%0.126% 8/12/2025 American Century Companies Inc.141,248$22.94M0.0%+21.1%0.327% 8/12/2025 Rhumbline Advisers101,398$16.47M0.0%-1.4%0.234% 8/12/2025 AXQ Capital LP1,616$263K0.1%N/A0.004% 8/12/2025 Franklin Resources Inc.35,744$5.81M0.0%+13.1%0.083% 8/12/2025 Legal & General Group Plc134,087$21.78M0.0%+1.6%0.310% 8/12/2025 MAI Capital Management289$47K0.0%N/A0.001% 8/12/2025 Hillsdale Investment Management Inc.19,410$3.15M0.1%+106.3%0.045% 8/12/2025 JPMorgan Chase & Co.59,557$9.67M0.0%+11.4%0.138% 8/12/2025 Entropy Technologies LP4,892$795K0.1%-32.8%0.011% 8/12/2025 Swiss National Bank83,000$13.48M0.0%-1.8%0.192% 8/12/2025 Handelsbanken Fonder AB11,630$1.89M0.0%-2.5%0.027% 8/12/2025 Prudential PLC8,646$1.40M0.0%N/A0.020% 8/12/2025 Howe & Rusling Inc.1,651$268K0.0%-22.9%0.004% (Data available from 1/1/2016 forward) AWI Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of AWI shares? During the previous two years, 402 institutional investors and hedge funds held shares of Armstrong World Industries. The most heavily invested institutionals were Vanguard Group Inc. ($648.38M), London Co. of Virginia ($373.77M), Capital International Investors ($351.30M), Fuller & Thaler Asset Management Inc. ($239.05M), State Street Corp ($224.63M), Burgundy Asset Management Ltd. ($214.60M), and Kayne Anderson Rudnick Investment Management LLC ($188.62M).Learn more on Armstrong World Industries' institutional investors. What percentage of Armstrong World Industries' stock is owned by institutional investors? 98.93% of Armstrong World Industries' stock is owned by institutional investors. Learn more on AWI's institutional investor holdings. Which institutional investors have been buying Armstrong World Industries' stock? Of the 341 institutional investors that purchased Armstrong World Industries' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Norges Bank ($1.46M), Adage Capital Partners GP L.L.C. ($793K), Vanguard Group Inc. ($603.78K), Price T Rowe Associates Inc. MD ($569.82K), Madison Investment Advisors LLC ($532.39K), AQR Capital Management LLC ($492.10K), and Los Angeles Capital Management LLC ($460.57K). How much institutional buying is happening at Armstrong World Industries? Institutional investors have bought a total of 7,579,410 shares in the last 24 months. This purchase volume represents approximately $1.11B in transactions. Which of Armstrong World Industries' major shareholders have been selling company stock? Of the 180 institutional investors that sold Armstrong World Industries' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Madison Asset Management LLC ($529.92K), London Co. of Virginia ($437.73K), River Road Asset Management LLC ($380.83K), Alliancebernstein L.P. ($360.06K), Adage Capital Partners GP L.L.C. ($333K), Fuller & Thaler Asset Management Inc. ($261.28K), and Yacktman Asset Management LP ($239.19K). How much institutional selling is happening at Armstrong World Industries? Institutional investors have sold a total of 5,881,236 shares in the last 24 months. This volume of shares sold represents approximately $855.77M in transactions. Related Companies BLD Institutional Ownership EXP Institutional Ownership FBIN Institutional Ownership ITT Institutional Ownership MAS Institutional Ownership OC Institutional Ownership OTIS Institutional Ownership PNR Institutional Ownership LII Institutional Ownership BLDR Institutional Ownership This page (NYSE:AWI) was last updated on 9/24/2025 by MarketBeat.com Staff From Our PartnersWarren Buffett’s #1 AI Stock: Not Mag 7, And NOT on the NasdaqNew Amazon Crisis Could Tank U.S. Stock Market A new panic is halting AI projects at Amazon and could split...Altimetry | SponsoredWhy More Investors Are Using Family Trusts to Protect Their WealthFor many investors, a family trust can be an essential tool for protecting assets, avoiding probate, and ensur...SmartAsset | SponsoredWhat The Silver Boom Could Mean For You…AI, electric vehicles, and even global central banks are quietly fueling record demand for silver. 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