Opthea (OPT) Institutional Ownership $5.10 +0.11 (+2.20%) As of 02:13 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsFinancialsHeadlinesOwnershipSEC FilingsShort InterestTrends Institutional Ownership Changes (13F Filings) for Opthea (NASDAQ:OPT)CurrentInstitutional OwnershipPercentage55.95%Number ofInstitutional Buyers(last 12 months)6TotalInstitutional Inflows(last 12 months)$909.99KNumber ofInstitutional Sellers(last 12 months)3TotalInstitutional Outflows(last 12 months)$1.74M Get OPT Insider Trade Alerts Want to know when executives and insiders are buying or selling Opthea 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 OPT Institutional Buying and Selling by Quarter Opthea Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails2/17/2025 Millennium Management LLC61,101$241K0.0%-9.3%0.045% 2/17/2025 Citadel Advisors LLC19,998$79K0.0%N/A0.015% 2/14/2025 Hsbc Holdings PLC142,515$556K0.0%N/A0.104% 2/12/2025 OLD Mission Capital LLC10,728$42K0.0%N/A0.008% 1/30/2025 ABC Arbitrage SA10,216$40K0.0%N/A0.007% 11/18/2024 Twin Lakes Capital Management LLC19,806$81K0.0%N/A0.034% 11/15/2024 Jane Street Group LLC26,632$114K0.0%N/A0.046% 8/5/2024 Victory Capital Management Inc.840,040$1.61M0.0%-1.8%1.439% 5/15/2024 Baker BROS. Advisors LP2,177,826$8.95M0.1%-15.9%3.729% 11/15/2023 Regal Partners Ltd2,895,987$5.05M1.1%-0.6%4.959% Get the Latest News and Ratings for OPT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Opthea and its competitors with MarketBeat's FREE daily newsletter. 11/6/2023 Victory Capital Management Inc.884,335$1.50M0.0%-8.0%1.514% 7/27/2023 Victory Capital Management Inc.961,485$2.69M0.0%-14.7%1.646% 5/2/2023 Victory Capital Management Inc.1,127,566$4.47M0.0%-4.3%1.931% 3/10/2023 Victory Capital Management Inc.1,177,995$6.60M0.0%-28.3%2.017% 2/9/2023 Victory Capital Management Inc.1,177,995$6.60M0.0%-28.3%2.018% 11/2/2022 Victory Capital Management Inc.1,643,585$10.17M0.0%+2.5%2.829% 9/9/2022 Regal Partners Ltd2,883,790$18.17M3.1%N/A5.697% 8/15/2022 Laurion Capital Management LP22,660$143K0.0%-9.4%0.051% 8/1/2022 Victory Capital Management Inc.1,604,227$10.11M0.0%+0.5%3.644% 5/4/2022 Victory Capital Management Inc.1,596,207$9.82M0.0%+1.4%3.629% 2/7/2022 Victory Capital Management Inc.1,574,694$11.81M0.0%+6.7%3.580% 11/2/2021 Victory Capital Management Inc.1,475,893$11.82M0.0%+3.0%3.364% 8/17/2021 Millennium Management LLC194,334$1.54M0.0%-6.0%0.443% 8/3/2021 Victory Capital Management Inc.1,433,254$11.38M0.0%+1.8%3.266% 5/18/2021 Millennium Management LLC206,737$2.00M0.0%-5.7%0.476% 5/4/2021 Victory Capital Management Inc.1,408,194$13.59M0.0%-3.2%3.240% 2/16/2021 Baker BROS. Advisors LP3,308,705$37.11M0.1%N/A7.839% 2/12/2021 Caas Capital Management LP15,000$168K0.0%N/A0.036% 2/12/2021 Laurion Capital Management LP25,000$284K0.0%N/A0.059% 2/11/2021 Teacher Retirement System of Texas625,000$7.10M0.0%N/A1.481% 2/11/2021 Monashee Investment Management LLC83,100$932K0.1%N/A0.197% (Data available from 1/1/2016 forward) OPT Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of OPT shares? During the previous two years, 10 institutional investors and hedge funds held shares of Opthea. The most heavily invested institutionals were Baker BROS. Advisors LP ($8.95M), Regal Partners Ltd ($5.05M), Victory Capital Management Inc. ($1.61M), Hsbc Holdings PLC ($556K), Millennium Management LLC ($241K), Jane Street Group LLC ($114K), and Twin Lakes Capital Management LLC ($81K).Learn more on OPT's institutional investors. What percentage of Opthea stock is owned by institutional investors? 55.95% of Opthea stock is owned by institutional investors. Learn more on OPT's institutional investor holdings. Which institutional investors have been buying Opthea stock? The following institutional investors have purchased Opthea stock in the last 24 months: Hsbc Holdings PLC ($142.52K), Jane Street Group LLC ($26.63K), Citadel Advisors LLC ($20.00K), Twin Lakes Capital Management LLC ($19.81K), OLD Mission Capital LLC ($10.73K), and ABC Arbitrage SA ($10.22K). How much institutional buying is happening at Opthea? Institutional investors have bought a total of 229,895 shares in the last 24 months. This purchase volume represents approximately $909.99K in transactions. Which Opthea major shareholders have been selling company stock? The following institutional investors have sold Opthea stock in the last 24 months: Victory Capital Management Inc. ($774.73K), Baker BROS. Advisors LP ($410.82K), Regal Partners Ltd ($18.59K), and Millennium Management LLC ($6.29K). How much institutional selling is happening at Opthea? Institutional investors have sold a total of 1,210,434 shares in the last 24 months. This volume of shares sold represents approximately $5.07M in transactions. Related Companies TWST Major Shareholders VCEL Major Shareholders CPRX Major Shareholders MLTX Major Shareholders MRUS Major Shareholders BEAM Major Shareholders IBRX Major Shareholders ARWR Major Shareholders HCM Major Shareholders EWTX Major Shareholders This page (NASDAQ:OPT) was last updated on 2/21/2025 by MarketBeat.com Staff From Our PartnersMedia Humiliated: Demo of Elon’s Tech Proves They’re WrongElon Musk believes his new AI product will be worth an incredible $9 trillion. But the mainstream media is ...Brownstone Research | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. 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