Ocean Power Technologies (OPTT) Institutional Ownership $0.51 -0.01 (-0.99%) Closing price 08/7/2025 04:00 PM EasternExtended Trading$0.52 +0.01 (+0.98%) As of 08:30 AM 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 AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Ocean Power Technologies (NASDAQ:OPTT)CurrentInstitutional OwnershipPercentage11.93%Number ofInstitutional Buyers(last 12 months)8TotalInstitutional Inflows(last 12 months)$1.20MNumber ofInstitutional Sellers(last 12 months)3TotalInstitutional Outflows(last 12 months)$197.43K Get OPTT Insider Trade Alerts Want to know when executives and insiders are buying or selling Ocean Power Technologies 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 OPTT Institutional Buying and Selling by Quarter Ocean Power Technologies Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/8/2025SBI Securities Co. Ltd.374,187$178K0.0%+29.4%0.211% 7/10/2025 Baader Bank Aktiengesellschaft100,000$47K0.0%+349.2%0.058% 5/12/2025Virtu Financial LLC61,109$28K0.0%-45.0%0.036% 2/13/2025XTX Topco Ltd28,727$29K0.0%-80.8%0.020% 2/13/2025Synovus Financial Corp50,500$52K0.0%-50.0%0.035% 2/12/2025Geode Capital Management LLC1,012,955$1.03M0.0%+35.3%0.694% 2/11/2025LPL Financial LLC25,097$26K0.0%N/A0.017% 2/11/2025Virtu Financial LLC111,182$113K0.0%+57.9%0.076% 2/6/2025SBI Securities Co. Ltd.284,984$291K0.0%N/A0.195% 1/27/2025Sargent Investment Group LLC528,000$539K0.1%+164.0%0.362% Get the Latest News and Ratings for OPTT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Ocean Power Technologies and its competitors with MarketBeat's FREE daily newsletter. 1/23/2025 Penbrook Management LLC31,500$32K0.0%N/A0.022% 1/15/2025 Arkadios Wealth Advisors100,000$102K0.0%N/A0.068% 11/6/2024Sargent Investment Group LLC200,000$31K0.0%N/A0.204% 2/2/2024Bailard Inc.196,839$62K0.0%-18.1%0.335% 10/24/2023Bailard Inc.240,349$94K0.0%+24.6%0.409% 7/20/2023Bailard Inc.192,924$116K0.0%+17.8%0.328% 2/2/2023Bailard Inc.163,754$74K0.0%N/A0.293% 11/7/2022Virtu Financial LLC33,195$27K0.0%-83.8%0.059% 8/13/2022Virtu Financial LLC204,965$116K0.0%N/A0.367% 5/9/2022Mitsubishi UFJ Kokusai Asset Management Co. Ltd.626,625$884K0.0%+11.7%1.121% 2/7/2022 Harel Insurance Investments & Financial Services Ltd.473,768$744K0.0%N/A0.848% 2/7/2022Mitsubishi UFJ Kokusai Asset Management Co. Ltd.560,777$886K0.0%N/A1.004% 11/12/2021Geode Capital Management LLC416,686$966K0.0%+14.5%0.794% 11/5/2021Advisor Group Holdings Inc.12,820$30K0.0%+186.2%0.024% 8/17/2021Price T Rowe Associates Inc. MD52,600$132K0.0%N/A0.100% 8/16/2021Morgan Stanley69,911$175K0.0%-93.3%0.133% 8/16/2021State Street Corp125,813$315K0.0%N/A0.240% 8/13/2021Renaissance Technologies LLC391,418$979K0.0%N/A0.746% 8/13/2021Northern Trust Corp96,557$241K0.0%+60.7%0.184% 8/13/2021Geode Capital Management LLC363,947$909K0.0%+43.2%0.694% 8/13/2021Vanguard Group Inc.2,152,492$5.38M0.0%+289.8%4.103% 8/11/2021 Commonwealth Equity Services LLC25,000$62K0.0%N/A0.048% 8/10/2021National Asset Management Inc.13,885$35K0.0%N/A0.026% 5/19/2021Squarepoint Ops LLC20,133$67K0.0%N/A0.039% 5/18/2021Morgan Stanley1,047,652$3.47M0.0%+9,524,009.1%2.055% 5/17/2021Ameriprise Financial Inc.26,300$87K0.0%N/A0.052% 5/17/2021Goldman Sachs Group Inc.40,555$134K0.0%N/A0.080% (Data available from 1/1/2016 forward) OPTT Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of OPTT shares? During the previous two years, 11 institutional investors and hedge funds held shares of Ocean Power Technologies. The most heavily invested institutionals were Geode Capital Management LLC ($1.03M), Sargent Investment Group LLC ($539K), SBI Securities Co. Ltd. ($178K), Arkadios Wealth Advisors ($102K), Bailard Inc. ($62K), Synovus Financial Corp ($52K), and Baader Bank Aktiengesellschaft ($47K).Learn more on Ocean Power Technologies' institutional investors. What percentage of Ocean Power Technologies' stock is owned by institutional investors? 11.93% of Ocean Power Technologies' stock is owned by institutional investors. Learn more on OPTT's institutional investor holdings. Which institutional investors have been buying Ocean Power Technologies' stock? Of the 9 institutional investors that purchased Ocean Power Technologies' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Sargent Investment Group LLC ($528K), SBI Securities Co. Ltd. ($369.90K), Geode Capital Management LLC ($264.38K), Arkadios Wealth Advisors ($100K), Baader Bank Aktiengesellschaft ($77.74K), Bailard Inc. ($47.43K), and Virtu Financial LLC ($40.77K). How much institutional buying is happening at Ocean Power Technologies? Institutional investors have bought a total of 1,437,393 shares in the last 24 months. This purchase volume represents approximately $1.20M in transactions. Which of Ocean Power Technologies' major shareholders have been selling company stock? The following institutional investors have sold Ocean Power Technologies stock in the last 24 months: XTX Topco Ltd ($120.68K), Synovus Financial Corp ($50.50K), and Virtu Financial LLC ($50.07K). How much institutional selling is happening at Ocean Power Technologies? Institutional investors have sold a total of 221,255 shares in the last 24 months. This volume of shares sold represents approximately $197.43K in transactions. 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