Prima BioMed (IMMP) Institutional Ownership $1.69 -0.04 (-2.31%) Closing price 04:00 PM EasternExtended Trading$1.68 0.00 (-0.30%) As of 06:30 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 ForecastsChartCompetitorsFDA EventsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Prima BioMed (NASDAQ:IMMP)CurrentInstitutional OwnershipPercentage2.32%Number ofInstitutional Buyers(last 12 months)7TotalInstitutional Inflows(last 12 months)$586.41KNumber ofInstitutional Sellers(last 12 months)5TotalInstitutional Outflows(last 12 months)$300.73K Get IMMP Insider Trade Alerts Want to know when executives and insiders are buying or selling Prima BioMed stock? 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Skip Chart & View Institutional Buying and Selling Data IMMP Institutional Buying and Selling by Quarter Prima BioMed Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/19/2025Jane Street Group LLC51,574$91K0.0%+14.7%0.035% 5/12/2025Meridian Wealth Management LLC386,650$681K0.0%-1.9%0.265% 5/12/2025XY Capital Ltd136,744$241K0.1%-17.0%0.094% 2/17/2025Millennium Management LLC16,367$36K0.0%-54.0%0.011% 2/14/2025Jane Street Group LLC44,957$98K0.0%-44.1%0.031% 2/14/2025Two Sigma Securities LLC34,025$74K0.0%N/A0.023% 2/12/2025OLD Mission Capital LLC16,791$36K0.0%N/A0.012% 1/30/2025ABC Arbitrage SA69,897$152K0.0%N/A0.048% 1/29/2025XY Capital Ltd164,655$357K0.2%+52.0%0.113% 1/22/2025Fortitude Advisory Group L.L.C.12,900$28K0.0%N/A0.009% Get the Latest News and Ratings for IMMP and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Prima BioMed and its competitors with MarketBeat's FREE daily newsletter. 11/15/2024Jane Street Group LLC80,489$178K0.0%-35.9%0.055% 11/14/2024Verition Fund Management LLC26,000$57K0.0%-25.7%0.018% 11/12/2024Meridian Wealth Management LLC398,450$881K0.0%+4.5%0.274% 11/1/2024XY Capital Ltd108,349$239K0.1%+108.3%0.074% 8/12/2024XTX Topco Ltd12,958$26K0.0%N/A0.015% 8/5/2024XY Capital Ltd52,005$105K0.1%N/A0.044% 5/20/2024Virtu Financial LLC45,062$105K0.0%+269.4%0.051% 5/15/2024Oracle Investment Management Inc.564,879$1.32M0.9%+9.4%0.642% 5/1/2024BNP Paribas Financial Markets35,300$82K0.0%+15.4%0.040% 4/22/2024PFG Investments LLC51,000$119K0.0%N/A0.058% 2/8/2024Meridian Wealth Management LLC322,450$774K0.0%+3.6%0.367% 11/14/2023Oracle Investment Management Inc.516,430$981K0.3%-42.3%0.587% 10/17/2023Meridian Wealth Management LLC311,200$591K0.0%+18.3%0.354% 8/14/2023Oracle Investment Management Inc.894,391$1.89M1.4%-33.8%1.017% 8/2/2023Meridian Wealth Management LLC263,050$555K0.0%N/A0.299% 3/6/2023OLD Mission Capital LLC21,158$37K0.0%N/A0.024% 7/29/2022Walker Asset Management LLC62,000$153K0.0%N/A0.072% 7/25/2022Walker Asset Management LLC62,000$153K0.0%N/A0.072% 7/13/2022Trellus Management Company LLC100,950$205K0.2%N/A0.117% 6/2/2022Verition Fund Management LLC35,000$96K0.0%-44.1%0.040% 5/10/2022Saturna Capital CORP85,500$234K0.0%-8.6%0.099% 2/15/2022Coastal Bridge Advisors LLC10,000$33K0.0%N/A0.012% 2/14/2022Bluefin Capital Management LLC25,000$82K0.0%N/A0.029% 2/4/2022Envestnet Asset Management Inc.65,834$216K0.0%N/A0.077% 11/16/2021Captrust Financial Advisors11,700$45K0.0%+588.2%0.014% 11/16/2021Toroso Investments LLC23,308$90K0.0%N/A0.027% 11/16/2021Verition Fund Management LLC144,934$561K0.0%-77.9%0.170% 11/16/2021Millennium Management LLC1,270,059$4.92M0.0%-9.5%1.487% 11/12/2021Renaissance Technologies LLC218,848$847K0.0%+141.0%0.256% 11/12/2021Jump Financial LLC33,761$131K0.0%+40.1%0.040% 11/9/2021Beirne Wealth Consulting Services LLC10,000$39K0.0%N/A0.012% 11/8/2021Saturna Capital CORP92,500$358K0.0%+3.4%0.108% 11/5/2021Lindbrook Capital LLC10,000$39K0.0%N/A0.012% 10/19/2021Belvedere Trading LLC34,472$143K0.0%N/A0.040% 9/17/2021Virtu Financial LLC48,467$188K0.0%-51.1%0.057% 8/25/2021Marshall Wace LLP165,768$642K0.0%N/A0.195% 8/17/2021Millennium Management LLC1,403,441$5.43M0.0%+563.7%1.649% 8/17/2021Oracle Investment Management Inc.1,000,000$3.87M0.5%N/A1.175% 8/17/2021Boxer Capital LLC2,500,000$9.68M0.3%+25.0%2.938% 8/16/2021Morgan Stanley1,291,246$5.00M0.0%+19.8%1.517% 8/16/2021Goldman Sachs Group Inc.36,282$140K0.0%N/A0.043% 8/16/2021Marshall Wace LLP165,768$642K0.0%N/A0.195% 8/13/2021Renaissance Technologies LLC90,819$351K0.0%-60.0%0.107% 8/13/2021Jump Financial LLC24,100$93K0.0%N/A0.028% 8/13/2021Geode Capital Management LLC12,131$46K0.0%N/A0.014% 8/11/2021Saturna Capital CORP89,500$346K0.0%N/A0.105% 8/6/2021HighTower Advisors LLC16,000$62K0.0%-61.9%0.021% (Data available from 1/1/2016 forward) IMMP Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of IMMP shares? During the previous two years, 14 institutional investors and hedge funds held shares of Prima BioMed. The most heavily invested institutionals were Oracle Investment Management Inc. ($1.32M), Meridian Wealth Management LLC ($681K), XY Capital Ltd ($241K), ABC Arbitrage SA ($152K), PFG Investments LLC ($119K), Virtu Financial LLC ($105K), and Jane Street Group LLC ($91K).Learn more on Prima BioMed's institutional investors. What percentage of Prima BioMed's stock is owned by institutional investors? 2.32% of Prima BioMed's stock is owned by institutional investors. Learn more on IMMP's institutional investor holdings. Which institutional investors have been buying Prima BioMed's stock? Of the 12 institutional investors that purchased Prima BioMed's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: XY Capital Ltd ($164.66K), Meridian Wealth Management LLC ($76.65K), ABC Arbitrage SA ($69.90K), PFG Investments LLC ($51K), Oracle Investment Management Inc. ($48.45K), Two Sigma Securities LLC ($34.03K), and Virtu Financial LLC ($32.86K). How much institutional buying is happening at Prima BioMed? Institutional investors have bought a total of 270,130 shares in the last 24 months. This purchase volume represents approximately $586.41K in transactions. Which of Prima BioMed's major shareholders have been selling company stock? The following institutional investors have sold Prima BioMed stock in the last 24 months: Jane Street Group LLC ($80.63K), XY Capital Ltd ($27.91K), Millennium Management LLC ($19.24K), Verition Fund Management LLC ($9K), and Meridian Wealth Management LLC ($7.50K). How much institutional selling is happening at Prima BioMed? Institutional investors have sold a total of 144,278 shares in the last 24 months. This volume of shares sold represents approximately $300.73K in transactions. Related Companies Cronos Group Major Shareholders CorMedix Major Shareholders Taysha Gene Therapies Major Shareholders Immunome Major Shareholders Amylyx Pharmaceuticals Major Shareholders Iovance Biotherapeutics Major Shareholders Phathom Pharmaceuticals Major Shareholders Urogen Pharma Major Shareholders Trevi Therapeutics Major Shareholders Dianthus Therapeutics Major Shareholders This page (NASDAQ:IMMP) was last updated on 9/16/2025 by MarketBeat.com Staff From Our PartnersFanatics Hit $31B-Is This Nasdaq Next?Fanatics built an empire by owning the fan experience-scaling to a $31B valuation. 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