Biomerica (BMRA) Institutional Ownership $3.15 -0.10 (-3.08%) Closing price 08/6/2025 03:57 PM EasternExtended Trading$3.13 -0.02 (-0.63%) As of 08/6/2025 07:05 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 AnalysisChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Biomerica (NASDAQ:BMRA)CurrentInstitutional OwnershipPercentage22.28%Number ofInstitutional Buyers(last 12 months)3TotalInstitutional Inflows(last 12 months)$1.18MNumber ofInstitutional Sellers(last 12 months)1TotalInstitutional Outflows(last 12 months)$2.59M Get BMRA Insider Trade Alerts Want to know when executives and insiders are buying or selling Biomerica stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data BMRA Institutional Buying and Selling by Quarter Biomerica Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/16/2025Granahan Investment Management LLC87,968$50K0.0%-86.6%3.455% 5/13/2025Bulltick Wealth Management LLC137,149$78K0.0%N/A5.387% 2/17/2025Granahan Investment Management LLC658,767$198K0.0%+24.9%3.592% 8/8/2024Perritt Capital Management Inc70,000$31K0.0%N/A0.416% 5/8/2024Russell Investments Group Ltd.225,435$188K0.0%+11.8%1.340% 5/7/2024Fore Capital LLC59,680$50K0.0%+72.1%0.355% 2/7/2024 Heritage Investors Management Corp34,598$43K0.0%-50.8%0.206% 2/5/2024Russell Investments Group Ltd.201,563$252K0.0%+15.0%1.198% 11/14/2023Potomac Capital Management Inc.171,519$148K0.2%-57.4%1.020% 8/14/2023Perritt Capital Management Inc.47,500$65K0.0%-29.6%0.283% Get the Latest News and Ratings for BMRA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Biomerica and its competitors with MarketBeat's FREE daily newsletter. 8/14/2023Potomac Capital Management Inc.402,916$548K0.6%-6.8%2.397% 8/14/2023Granahan Investment Management LLC1,144,824$1.56M0.0%-1.1%6.810% 8/8/2023Wasatch Advisors LP953,264$1.30M0.0%-2.2%5.671% 5/15/2023Granahan Investment Management LLC1,157,536$2.17M0.1%+3.1%6.885% 5/15/2023MYDA Advisors LLC73,775$138K0.1%N/A0.439% 5/12/2023Perritt Capital Management Inc.67,500$126K0.1%+170.0%0.401% 5/9/2023Fore Capital LLC49,680$93K0.1%+67.4%0.296% 5/9/2023Russell Investments Group Ltd.174,273$326K0.0%+173.3%1.037% 2/8/2023Russell Investments Group Ltd.63,768$214K0.0%+101.1%0.473% 2/7/2023Hollencrest Capital Management50,000$168K0.0%N/A0.371% 11/15/2022Maple Capital Management Inc.15,000$48K0.0%N/A0.112% 11/15/2022Perritt Capital Management Inc.25,000$98K0.1%-16.7%0.186% 11/4/2022Russell Investments Group Ltd.31,707$124K0.0%N/A0.236% 8/11/2022Group One Trading L.P.11,932$34K0.0%-76.0%0.093% 5/16/2022Granahan Investment Management LLC1,169,841$5.23M0.1%+6.1%9.102% 5/5/2022 HCR Wealth Advisors10,000$45K0.0%-50.0%0.078% 4/11/2022 Ridgewood Investments LLC60,000$268K0.2%N/A0.467% 2/8/2022Raymond James Financial Services Advisors Inc.13,662$53K0.0%N/A0.106% 2/4/2022 HCR Wealth Advisors20,000$78K0.0%+100.0%0.156% 11/15/2021Granahan Investment Management Inc. MA1,031,358$4.64M0.1%+0.3%8.244% 11/9/2021BlackRock Inc.171,813$774K0.0%+8.9%1.373% 11/2/2021 HCR Wealth Advisors10,000$45K0.0%N/A0.080% 10/29/2021GWM Advisors LLC31,400$141K0.0%-8.2%0.251% 10/25/2021Eudaimonia Partners LLC11,000$50K0.0%N/A0.088% 8/16/2021M&G Investment Management Ltd.163,205$653K0.0%N/A1.327% 8/16/2021State Street Corp54,231$217K0.0%N/A0.441% 8/13/2021Geode Capital Management LLC74,070$297K0.0%+15.2%0.602% 8/13/2021Vanguard Group Inc.581,110$2.33M0.0%-3.2%4.724% 8/12/2021XTX Topco Ltd10,719$43K0.0%N/A0.087% 8/12/2021Fore Capital LLC135,000$541K0.2%+75.0%1.097% REVEALED FREE: Our top 3 stocks to own in 2025 and beyond (Ad)Every time Weiss Ratings flashed green like this, the average gain on each and every stock has been 303% (including the losers!). Click here for the names of our three top stocks to own this year (no purchase necessary).8/9/2021 Orion Capital Management LLC11,500$46K0.0%+2,200.0%0.093% 8/5/2021 GSA Capital Partners LLP104,580$419K0.0%N/A0.850% 7/31/2021GWM Advisors LLC34,200$137K0.0%+53.4%0.278% (Data available from 1/1/2016 forward) BMRA Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of BMRA shares? During the previous two years, 9 institutional investors and hedge funds held shares of Biomerica. The most heavily invested institutionals were Wasatch Advisors LP ($1.30M), Russell Investments Group Ltd. ($188K), Potomac Capital Management Inc. ($148K), Bulltick Wealth Management LLC ($78K), Perritt Capital Management Inc. ($65K), Granahan Investment Management LLC ($50K), and Fore Capital LLC ($50K).Learn more on Biomerica's institutional investors. What percentage of Biomerica's stock is owned by institutional investors? 22.28% of Biomerica's stock is owned by institutional investors. Learn more on BMRA's institutional investor holdings. Which institutional investors have been buying Biomerica's stock? The following institutional investors have purchased Biomerica's stock in the last 24 months: Bulltick Wealth Management LLC ($137.15K), Granahan Investment Management LLC ($131.31K), Perritt Capital Management Inc ($70K), Russell Investments Group Ltd. ($50.16K), and Fore Capital LLC ($25K). How much institutional buying is happening at Biomerica? Institutional investors have bought a total of 338,455 shares in the last 24 months. This purchase volume represents approximately $1.18M in transactions. Which of Biomerica's major shareholders have been selling company stock? The following institutional investors have sold Biomerica stock in the last 24 months: Granahan Investment Management LLC ($570.80K). How much institutional selling is happening at Biomerica? Institutional investors have sold a total of 570,799 shares in the last 24 months. This volume of shares sold represents approximately $2.59M in transactions. Related Companies Karyopharm Therapeutics Major Shareholders Akari Therapeutics Major Shareholders Xilio Therapeutics Major Shareholders Medicus Pharma Major Shareholders Dyadic International Major Shareholders Synergy CHC Major Shareholders Estrella Immunopharma Major Shareholders Rani Therapeutics Major Shareholders Sol-Gel Technologies Major Shareholders ALX Oncology Major Shareholders This page (NASDAQ:BMRA) was last updated on 8/7/2025 by MarketBeat.com Staff From Our PartnersBREAKING: The House just passed 3 pro-crypto bills!THREE pro-crypto bills just passed the House! Now, experts believe altcoin season is officially here. 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