Fuel Tech (FTEK) Institutional Ownership $3.08 0.00 (0.00%) Closing price 10/8/2025 04:00 PM EasternExtended Trading$3.06 -0.02 (-0.49%) As of 10/8/2025 07:11 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Fuel Tech (NASDAQ:FTEK)CurrentInstitutional OwnershipPercentage20.94%Number ofInstitutional Buyers(last 12 months)10TotalInstitutional Inflows(last 12 months)$1.43MNumber ofInstitutional Sellers(last 12 months)3TotalInstitutional Outflows(last 12 months)$1.49M Get FTEK Insider Trade Alerts Want to know when executives and insiders are buying or selling Fuel Tech stock? 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Skip Chart & View Institutional Buying and Selling Data FTEK Institutional Buying and Selling by Quarter Fuel Tech Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/13/2025Marshall Wace LLP25,088$63K0.0%N/A0.081% 8/13/2025Corsair Capital Management L.P.10,000$25K0.0%N/A0.032% 8/8/2025Geode Capital Management LLC517,658$1.31M0.0%+3.6%1.666% 7/31/2025Peapod Lane Capital LLC667,514$1.68M1.7%-32.0%2.169% 7/24/2025Grace & White Inc. NY1,634,526$4.12M0.8%-13.9%5.311% 5/7/2025Essex Investment Management Co. LLC124,241$130K0.0%+11.8%0.404% 4/22/2025Grace & White Inc. NY1,899,149$1.99M0.4%+1.7%6.185% 2/17/2025Millennium Management LLC58,571$62K0.0%+70.1%0.191% 2/13/2025XTX Topco Ltd26,131$27K0.0%N/A0.085% 2/13/2025Renaissance Technologies LLC1,039,609$1.09M0.0%+15.3%3.385% Get the Latest News and Ratings for FTEK and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Fuel Tech and its competitors with MarketBeat's FREE daily newsletter. 2/11/2025Virtu Financial LLC24,500$26K0.0%N/A0.080% 2/7/2025Essex Investment Management Co. LLC111,135$117K0.0%-20.0%0.362% 1/29/2025Peapod Lane Capital LLC977,674$1.03M1.0%N/A3.184% 8/9/2024Renaissance Technologies LLC874,618$936K0.0%+5.4%2.878% 5/7/2024Marquette Asset Management LLC141,189$171K0.0%+14.7%0.465% 5/3/2024Essex Investment Management Co. LLC401,159$485K0.1%+42.6%1.320% 2/8/2024Essex Investment Management Co. LLC281,396$295K0.1%-26.7%0.926% 2/2/2024Acuitas Investments LLC822,613$864K0.4%+36.9%2.707% 2/1/2024Grace & White Inc. NY1,859,922$1.95M0.3%+6.9%6.121% 1/31/2024Migdal Insurance & Financial Holdings Ltd.25,014$26K0.0%N/A0.082% 11/9/2023Essex Investment Management Co. LLC383,716$453K0.1%-5.4%1.263% 10/25/2023Grace & White Inc. NY1,739,395$2.05M0.4%+1.5%5.724% 10/12/2023Legato Capital Management LLC21,469$25K0.0%-35.8%0.071% 2/3/2023Essex Investment Management Co. LLC396,238$505K0.1%+35.3%1.308% 2/1/2023Legato Capital Management LLC33,459$43K0.0%N/A0.110% 11/15/2022Essex Investment Management Co. LLC292,755$343K0.1%N/A0.966% 4/26/2022Marquette Asset Management LLC126,079$183K0.0%+131.2%0.416% 4/22/2022Grace & White Inc. NY1,713,933$2.49M0.5%+10.7%5.657% 2/14/2022GSA Capital Partners LLP162,560$228K0.0%+54.2%0.537% 1/28/2022Grace & White Inc. NY1,548,089$2.17M0.4%+10.2%5.115% 1/19/2022Marquette Asset Management LLC54,522$76K0.0%N/A0.180% 11/15/2021Marshall Wace LLP71,543$124K0.0%-40.3%0.236% 11/15/2021GSA Capital Partners LLP105,429$183K0.0%+609.6%0.348% 11/12/2021Renaissance Technologies LLC856,865$1.49M0.0%-42.5%2.831% 11/12/2021PEAK6 Investments LLC26,270$46K0.0%N/A0.087% 10/21/2021Grace & White Inc. NY1,404,296$2.44M0.5%+4.7%4.640% 8/25/2021Marshall Wace LLP119,861$282K0.0%+18.2%0.396% 8/17/2021Bridgeway Capital Management LLC130,000$306K0.0%-18.8%0.430% 8/16/2021State Street Corp96,846$228K0.0%N/A0.320% 8/16/2021Marshall Wace LLP119,861$282K0.0%+18.2%0.396% 8/13/2021Renaissance Technologies LLC1,489,465$3.50M0.0%+13.6%4.922% 8/13/2021Algert Global LLC38,360$90K0.0%N/A0.127% 8/13/2021Geode Capital Management LLC356,098$836K0.0%+122.2%1.177% 8/13/2021Vanguard Group Inc.894,086$2.10M0.0%+13.9%2.954% 8/12/2021Dimensional Fund Advisors LP46,982$110K0.0%+58.1%0.155% (Data available from 1/1/2016 forward) FTEK Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of FTEK shares? During the previous two years, 14 institutional investors and hedge funds held shares of Fuel Tech. The most heavily invested institutionals were Grace & White Inc. NY ($4.12M), Peapod Lane Capital LLC ($1.68M), Geode Capital Management LLC ($1.31M), Renaissance Technologies LLC ($1.09M), Acuitas Investments LLC ($864K), Marquette Asset Management LLC ($171K), and Essex Investment Management Co. LLC ($130K).Learn more on Fuel Tech's institutional investors. What percentage of Fuel Tech's stock is owned by institutional investors? 20.94% of Fuel Tech's stock is owned by institutional investors. Learn more on FTEK's institutional investor holdings. Which institutional investors have been buying Fuel Tech's stock? Of the 13 institutional investors that purchased Fuel Tech's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Peapod Lane Capital LLC ($977.67K), Acuitas Investments LLC ($221.93K), Renaissance Technologies LLC ($182.68K), Grace & White Inc. NY ($177.01K), Essex Investment Management Co. LLC ($132.87K), XTX Topco Ltd ($26.13K), and Marshall Wace LLP ($25.09K). How much institutional buying is happening at Fuel Tech? Institutional investors have bought a total of 1,287,585 shares in the last 24 months. This purchase volume represents approximately $1.43M in transactions. Which of Fuel Tech's major shareholders have been selling company stock? The following institutional investors have sold Fuel Tech stock in the last 24 months: Peapod Lane Capital LLC ($313.59K), Grace & White Inc. NY ($264.62K), and Essex Investment Management Co. LLC ($27.78K). How much institutional selling is happening at Fuel Tech? Institutional investors have sold a total of 605,991 shares in the last 24 months. This volume of shares sold represents approximately $1.49M in transactions. 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