Phio Pharmaceuticals (PHIO) Institutional Ownership $1.77 -0.06 (-3.06%) Closing price 03:58 PM EasternExtended Trading$1.84 +0.07 (+3.72%) As of 04:14 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 TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Phio Pharmaceuticals (NASDAQ:PHIO)CurrentInstitutional OwnershipPercentage57.31%Number ofInstitutional Buyers(last 12 months)1TotalInstitutional Inflows(last 12 months)$73.64KNumber ofInstitutional Sellers(last 12 months)0 Get PHIO Insider Trade Alerts Want to know when executives and insiders are buying or selling Phio Pharmaceuticals stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data PHIO Institutional Buying and Selling by Quarter Phio Pharmaceuticals Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails2/11/2025 Virtu Financial LLC40,910$74K0.0%N/A0.594% 8/14/2023 Anson Funds Management LP22,571$65K0.0%N/A1.505% 8/10/2023 Cetera Investment Advisers10,666$31K0.0%N/A0.711% 8/2/2023 Bank of Montreal Can10,000$38K0.0%N/A0.667% 8/11/2022 Cetera Investment Advisers75,000$53K0.0%-16.7%0.549% 11/16/2021 Cetera Investment Advisers30,000$61K0.0%N/A0.222% 11/9/2021BlackRock Inc.35,592$72K0.0%-17.8%0.263% 9/17/2021 Virtu Financial LLC27,110$61K0.0%+74.7%0.200% 8/13/2021 Vanguard Group Inc.276,561$625K0.0%+125.4%2.043% 8/12/2021 Dimensional Fund Advisors LP23,960$54K0.0%-31.2%0.177% 5/19/2021 Virtu Financial LLC15,522$42K0.0%N/A0.115% 5/14/2021 Dimensional Fund Advisors LP34,808$93K0.0%+38.3%0.257% 5/12/2021 Geode Capital Management LLC87,501$234K0.0%+330.6%0.647% 5/10/2021 GSA Capital Partners LLP132,333$355K0.1%+30.5%0.978% 3/8/2021 Dimensional Fund Advisors LP25,177$68K0.0%N/A0.178% (Data available from 1/1/2016 forward) PHIO Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of PHIO shares? During the previous two years, the following institutional investors and hedge funds held shares of Phio Pharmaceuticals shares: Virtu Financial LLC ($74K), Anson Funds Management LP ($65K), and Bank of Montreal Can ($38K), Cetera Investment Advisers ($31K).Learn more on PHIO's institutional investors. What percentage of Phio Pharmaceuticals stock is owned by institutional investors? 57.31% of Phio Pharmaceuticals stock is owned by institutional investors. Learn more on PHIO's institutional investor holdings. Which institutional investors have been buying Phio Pharmaceuticals stock? The following institutional investors have purchased Phio Pharmaceuticals stock in the last 24 months: Virtu Financial LLC ($40.91K), Anson Funds Management LP ($22.57K), Cetera Investment Advisers ($10.67K), and Bank of Montreal Can ($10K). How much institutional buying is happening at Phio Pharmaceuticals? Institutional investors have bought a total of 84,147 shares in the last 24 months. This purchase volume represents approximately $1.19M in transactions. Related Companies FBLG Institutional Ownership OSTX Institutional Ownership BRNS Institutional Ownership QNTM Institutional Ownership LVTX Institutional Ownership SCLX Institutional Ownership SCYX Institutional Ownership DYAI Institutional Ownership FGEN Institutional Ownership MRNS Institutional Ownership This page (NASDAQ:PHIO) was last updated on 5/21/2025 by MarketBeat.com Staff From Our PartnersWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... 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