Power Solutions International (PSIX) Institutional Ownership $32.50 -3.10 (-8.71%) As of 02/21/2025 04:00 PM Eastern Add Compare Share Share Ownership Stock AnalysisChartCompetitorsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsTrends Institutional Ownership Changes (13F Filings) for Power Solutions International (NASDAQ:PSIX)CurrentInstitutional OwnershipPercentage22.28%Number ofInstitutional Buyers(last 12 months)18TotalInstitutional Inflows(last 12 months)$66.09MNumber ofInstitutional Sellers(last 12 months)0 Get PSIX Insider Trade Alerts Want to know when executives and insiders are buying or selling Power Solutions International 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 PSIX Institutional Buying and Selling by Quarter Power Solutions International Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails2/17/2025 Citadel Advisors LLC12,312$366K0.0%N/A0.054% 2/14/2025 Manatuck Hill Partners LLC20,850$620K0.3%N/A0.091% 2/14/2025 Schonfeld Strategic Advisors LLC15,300$455K0.0%N/A0.067% 2/13/2025 S Squared Technology LLC293,034$8.72M3.6%N/A1.274% 2/13/2025 Marshall Wace LLP71,588$2.13M0.0%N/A0.311% 2/13/2025 Portolan Capital Management LLC341,287$10.15M0.7%N/A1.484% 2/13/2025 Wells Fargo & Company MN1,100$33K0.0%N/A0.005% 2/12/2025 Thoroughbred Financial Services LLC10,433$310K0.0%N/A0.045% 2/12/2025 Perritt Capital Management Inc15,000$446K0.2%N/A0.065% 2/12/2025 O Shaughnessy Asset Management LLC72,868$2.17M0.0%N/A0.317% 2/4/2025 World Equity Group Inc.17,794$529K0.1%N/A0.077% 2/3/2025 Thompson Davis & CO. Inc.8,450$251K0.2%N/A0.037% 1/24/2025 Spire Wealth Management3,243$96K0.0%N/A0.014% 1/24/2025 Gagnon Advisors LLC470,165$13.99M9.0%N/A2.044% 1/24/2025 Gagnon Securities LLC850,146$25.29M5.1%N/A3.696% 1/23/2025 Heck Capital Advisors LLC3,150$94K0.0%N/A0.014% 1/23/2025 Evernest Financial Advisors LLC7,500$223K0.1%N/A0.033% 1/15/2025 Astoria Portfolio Advisors LLC.7,277$216K0.1%N/A0.032% (Data available from 1/1/2016 forward) PSIX Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of PSIX shares? During the previous two years, 18 institutional investors and hedge funds held shares of Power Solutions International. The most heavily invested institutionals were Gagnon Securities LLC ($25.29M), Gagnon Advisors LLC ($13.99M), Portolan Capital Management LLC ($10.15M), S Squared Technology LLC ($8.72M), O Shaughnessy Asset Management LLC ($2.17M), Marshall Wace LLP ($2.13M), and Manatuck Hill Partners LLC ($620K).Learn more on PSIX's institutional investors. What percentage of Power Solutions International stock is owned by institutional investors? 22.28% of Power Solutions International stock is owned by institutional investors. Learn more on PSIX's institutional investor holdings. Which institutional investors have been buying Power Solutions International stock? Of the 18 institutional investors that purchased Power Solutions International stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Gagnon Securities LLC ($850.15K), Gagnon Advisors LLC ($470.17K), Portolan Capital Management LLC ($341.29K), S Squared Technology LLC ($293.03K), O Shaughnessy Asset Management LLC ($72.87K), Marshall Wace LLP ($71.59K), and Manatuck Hill Partners LLC ($20.85K). How much institutional buying is happening at Power Solutions International? Institutional investors have bought a total of 2,221,497 shares in the last 24 months. This purchase volume represents approximately $66.09M in transactions. Related Companies HAYW Major Shareholders ATS Major Shareholders EPAC Major Shareholders AZTA Major Shareholders HSAI Major Shareholders DNOW Major Shareholders KRNT Major Shareholders ACMR Major Shareholders CRCT Major Shareholders EFXT Major Shareholders This page (NASDAQ:PSIX) was last updated on 2/22/2025 by MarketBeat.com Staff From Our PartnersSecret financial plot unfolding in Washington DC… [DEVELOPING]What stocks are next up to soar in 2025? I believe I’ve found the answer - and it might surprise you. Yo...Timothy Sykes | Sponsored[RFK Jr CONFIRMED] Here’s why Dems are TERRIFIEDRobert F. 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