Phio Pharmaceuticals (PHIO) Institutional Ownership $2.25 -0.08 (-3.43%) Closing price 08/7/2025 04:00 PM EasternExtended Trading$2.25 0.00 (0.00%) As of 05:35 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 AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider 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 CompanyDetails2/11/2025Virtu Financial LLC40,910$74K0.0%N/A0.594% 8/14/2023Anson Funds Management LP22,571$65K0.0%N/A1.505% 8/10/2023Cetera Investment Advisers10,666$31K0.0%N/A0.711% 8/2/2023 Bank of Montreal Can10,000$38K0.0%N/A0.667% 8/11/2022Cetera Investment Advisers75,000$53K0.0%-16.7%0.549% 11/16/2021Cetera Investment Advisers30,000$61K0.0%N/A0.222% 11/9/2021BlackRock Inc.35,592$72K0.0%-17.8%0.263% 9/17/2021Virtu Financial LLC27,110$61K0.0%+74.7%0.200% 8/13/2021Vanguard Group Inc.276,561$625K0.0%+125.4%2.043% 8/12/2021Dimensional Fund Advisors LP23,960$54K0.0%-31.2%0.177% 5/19/2021Virtu Financial LLC15,522$42K0.0%N/A0.115% 5/14/2021Dimensional Fund Advisors LP34,808$93K0.0%+38.3%0.257% (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), and Anson Funds Management LP ($65K), Cetera Investment Advisers ($31K).Learn more on Phio Pharmaceuticals' 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), and Cetera Investment Advisers ($10.67K). How much institutional buying is happening at Phio Pharmaceuticals? Institutional investors have bought a total of 40,910 shares in the last 24 months. This purchase volume represents approximately $73.64K in transactions. Related Companies RENB Institutional Ownership ATHE Institutional Ownership RNXT Institutional Ownership SNTI Institutional Ownership XCUR Institutional Ownership GANX Institutional Ownership JSPR Institutional Ownership PEPG Institutional Ownership ELYM Institutional Ownership AADI Institutional Ownership This page (NASDAQ:PHIO) was last updated on 8/8/2025 by MarketBeat.com Staff From Our PartnersHIDDEN IN THE BOOK OF GENESIS…“This land I will give to you…” — a 4,000-year-old line from Genesis may hold the key to unlocking a $150 tril...Paradigm Press | SponsoredBREAKING: The House just passed 3 pro-crypto bills!THREE pro-crypto bills just passed the House! Now, experts believe altcoin season is officially here. Crypto 101 Media | SponsoredGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. 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