Tecogen (TGEN) Institutional Ownership $8.63 -0.47 (-5.16%) As of 03:01 PM Eastern Add Compare Share Share Ownership Stock AnalysisChartEarningsHeadlinesOwnershipSEC FilingsShort InterestBuy This Stock Institutional Ownership Changes (13F Filings) for Tecogen (OTCMKTS:TGEN)Number ofInstitutional Buyers(last 12 months)4TotalInstitutional Inflows(last 12 months)$6.91MNumber ofInstitutional Sellers(last 12 months)0 Get TGEN Insider Trade Alerts Want to know when executives and insiders are buying or selling Tecogen stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Tecogen Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails7/24/2025 Shikiar Asset Management Inc.22,000$150K0.0%N/A0.087% 7/22/2025 Herald Investment Management Ltd321,078$2.19M0.3%N/A1.271% 7/18/2025 PFG Investments LLC62,523$425K0.0%N/A0.247% 7/14/2025 Clear Harbor Asset Management LLC610,000$4.15M0.3%N/A2.414% (Data available from 1/1/2016 forward) TGEN Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of TGEN shares? During the previous two years, the following institutional investors and hedge funds held shares of Tecogen shares: Clear Harbor Asset Management LLC ($4.15M), Herald Investment Management Ltd ($2.19M), and PFG Investments LLC ($425K), Shikiar Asset Management Inc. ($150K).Learn more on Tecogen's institutional investors. Which institutional investors have been buying Tecogen's stock? The following institutional investors have purchased Tecogen's stock in the last 24 months: Clear Harbor Asset Management LLC ($610K), Herald Investment Management Ltd ($321.08K), PFG Investments LLC ($62.52K), and Shikiar Asset Management Inc. ($22K). How much institutional buying is happening at Tecogen? Institutional investors have bought a total of 1,015,601 shares in the last 24 months. This purchase volume represents approximately $6.91M in transactions. 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