ProQR Therapeutics (PRQR) Institutional Ownership $1.51 -0.08 (-5.03%) Closing price 05/18/2026 04:00 PM EasternExtended Trading$1.54 +0.03 (+1.99%) As of 03:59 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 Massive. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for ProQR Therapeutics (NASDAQ:PRQR)CurrentInstitutional OwnershipPercentage32.65%Number ofInstitutional Buyers(last 12 months)29TotalInstitutional Inflows(last 12 months)$8.41MNumber ofInstitutional Sellers(last 12 months)15TotalInstitutional Outflows(last 12 months)$11.97M Get PRQR Insider Trade Alerts Want to know when executives and insiders are buying or selling ProQR Therapeutics stock? 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Skip Chart & View Institutional Buying and Selling Data PRQR Institutional Buying and Selling by Quarter ProQR Therapeutics Major Shareholders & Ownership History ExportReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/14/2026 Group One Trading LLC18,924$31K0.0%-68.1%0.018% 5/14/2026 Walleye Capital LLC607,529$984K0.0%+2.7%0.577% 4/20/2026 RFG Advisory LLC19,000$31K0.0%-36.7%0.018% 2/19/2026 Invesco Ltd.25,347$51K0.0%N/A0.024% 2/18/2026 XTX Topco Ltd117,900$238K0.0%+1,057.4%0.112% 2/18/2026 Ikarian Capital LLC1,492,229$3.01M0.2%+67.2%1.418% 2/18/2026 Quadrature Capital Ltd104,231$211K0.0%+188.4%0.099% 2/18/2026 Millennium Management LLC434,991$879K0.0%+80.8%0.413% 2/18/2026 Boothbay Fund Management LLC355,283$718K0.0%+43.1%0.338% 2/17/2026 Guggenheim Capital LLC17,224$35K0.0%N/A0.016% Get the Latest News and Ratings for PRQR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ProQR Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 2/17/2026 ArrowMark Colorado Holdings LLC1,164,722$2.35M0.1%-6.5%1.107% 2/17/2026 Diadema Partners LP167,532$338K0.1%+6.2%0.159% 2/17/2026 Persistent Asset Partners Ltd45,154$91K0.0%+24.5%0.043% 2/13/2026 Walleye Capital LLC591,785$1.20M0.0%+11.2%0.562% 2/13/2026 Affinity Asset Advisors LLC2,454,278$4.96M0.3%-31.8%2.333% 2/12/2026 Jane Street Group LLC160,175$324K0.0%+1,388.5%0.152% 2/11/2026 Simplex Trading LLC44,269$89K0.0%+44,169.0%0.042% 2/10/2026 Monaco Asset Management SAM428,803$866K0.1%-6.8%0.408% 2/9/2026 Geode Capital Management LLC84,909$172K0.0%+73.9%0.081% 2/3/2026 Privium Fund Management B.V.5,357,762$10.82M2.0%+7.2%5.092% 1/16/2026 Aberdeen Group plc2,950,676$5.96M0.0%+28.4%2.805% 1/15/2026 Moody Lynn & Lieberson LLC25,000$50K0.0%N/A0.024% 11/17/2025 Woodline Partners LP92,140$196K0.0%-93.9%0.088% 11/17/2025 Palo Alto Investors LP188,807$402K0.1%N/A0.179% 11/17/2025 Millennium Management LLC240,622$513K0.0%-81.6%0.229% 11/17/2025 Citadel Advisors LLC657,012$1.40M0.0%+73.2%0.624% 11/17/2025 Boothbay Fund Management LLC248,290$529K0.0%+10.8%0.236% 11/17/2025 ArrowMark Colorado Holdings LLC1,246,234$2.65M0.0%+3.9%1.185% 11/14/2025 Raymond James Financial Inc.110,270$235K0.0%+15.2%0.105% 11/14/2025 Two Sigma Investments LP417,300$889K0.0%+86.3%0.397% 11/13/2025 Platinum Investment Management Ltd.1,235,514$2.63M0.2%-14.8%1.174% 11/13/2025 BNP Paribas Financial Markets139,594$297K0.0%+14.9%0.133% 11/10/2025 OneDigital Investment Advisors LLC80,000$170K0.0%+23.1%0.076% 11/7/2025 Fifth Third Bancorp30,000$64K0.0%N/A0.029% 11/7/2025 Aberdeen Group plc2,298,823$4.90M0.0%+24.2%2.185% 9/4/2025 Osaic Holdings Inc.12,050$25K0.0%+59.6%0.011% 8/15/2025 BNP Paribas Financial Markets121,494$248K0.0%+28.4%0.115% 8/15/2025Bank of America Corp DE119,198$243K0.0%+25.7%0.113% 8/15/2025 Adage Capital Partners GP L.L.C.6,601,938$13.47M0.0%-18.5%6.275% 8/14/2025 Jane Street Group LLC14,904$30K0.0%-83.6%0.014% Before you buy SpaceX shares, consider this alternative approach (Ad)SpaceX has confidentially filed for an IPO with the SEC, targeting a June 2026 listing at a valuation exceeding $1.75 trillion - potentially the largest IPO in history. But one expert says buying shares directly may not be the smartest move. There is a lesser-known way to tap into this windfall that most investors haven't considered.Discover the overlooked SpaceX IPO strategy before the June listing8/14/2025 Raymond James Financial Inc.95,721$195K0.0%-6.3%0.091% 8/14/2025 Diadema Partners LP157,694$322K0.1%-24.1%0.150% 8/13/2025 Affinity Asset Advisors LLC3,499,512$7.14M1.0%+6.5%3.326% 8/13/2025 Walleye Capital LLC531,977$1.09M0.0%+5.6%0.506% 8/13/2025 Sio Capital Management LLC2,075,139$4.23M1.6%+1.0%1.972% 8/11/2025 Persistent Asset Partners Ltd36,280$74K0.1%-24.1%0.034% 8/8/2025 PNC Financial Services Group Inc.17,649$36K0.0%-33.8%0.017% 8/7/2025 Monaco Asset Management SAM460,000$938K0.2%-2.5%0.437% 7/30/2025 Privium Fund Management B.V.4,997,562$10.05M2.2%+0.2%4.750% 7/23/2025 Vontobel Holding Ltd.63,979$131K0.0%+76.5%0.061% 7/21/2025 Platinum Investment Management Ltd.1,450,969$2.96M0.2%-5.7%1.379% 5/23/2025Siren L.L.C.1,552,183$2.06M0.1%-1.4%1.475% 5/19/2025Jane Street Group LLC91,120$121K0.0%+699.3%0.087% 5/16/2025Woodline Partners LP1,325,655$1.76M0.0%-62.7%1.260% 5/16/2025Adage Capital Partners GP L.L.C.8,102,098$10.78M0.0%-15.6%7.701% 5/15/2025Cubist Systematic Strategies LLC89,645$119K0.0%-32.9%0.085% 5/15/2025Siren L.L.C.1,552,183$2.06M0.1%-1.4%1.475% 5/14/2025Affinity Asset Advisors LLC3,284,512$4.37M0.4%+16.3%3.122% 5/14/2025Walleye Capital LLC503,564$670K0.0%+11.6%0.479% 5/13/2025American Century Companies Inc.77,686$103K0.0%-13.2%0.074% 5/13/2025Aberdeen Group plc1,850,348$2.46M0.0%N/A1.759% 5/13/2025Persistent Asset Partners Ltd47,783$64K0.1%N/A0.045% 5/8/2025Monaco Asset Management SAM471,908$628K0.1%+59.1%0.449% 4/29/2025OneDigital Investment Advisors LLC40,000$53K0.0%+45.5%0.038% 4/28/2025Vontobel Holding Ltd.36,257$48K0.0%N/A0.034% 2/18/2025Alpine Global Management LLC14,749$39K0.0%N/A0.018% 2/17/2025Woodline Partners LP3,557,001$9.43M0.1%N/A4.355% 2/17/2025Velan Capital Investment Management LP40,500$107K0.1%N/A0.050% 2/17/2025Squarepoint Ops LLC83,114$220K0.0%+16.3%0.102% 2/17/2025Two Sigma Advisers LP29,200$77K0.0%-66.6%0.036% 2/17/2025Two Sigma Investments LP383,134$1.02M0.0%+512.8%0.469% 2/17/2025Point72 Asset Management L.P.1,491,275$3.95M0.0%N/A1.826% 2/17/2025OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC227,020$602K0.0%N/A0.278% 2/17/2025Millennium Management LLC2,827,280$7.49M0.0%+1,864.4%3.461% 2/17/2025DAFNA Capital Management LLC1,567,561$4.15M1.1%+73.1%1.919% 2/17/2025Cubist Systematic Strategies LLC133,690$354K0.0%N/A0.164% 2/17/2025Bank of America Corp DE81,784$217K0.0%+11.8%0.100% 2/17/2025BNP Paribas Financial Markets74,701$198K0.0%+27.0%0.091% 2/17/2025ArrowMark Colorado Holdings LLC1,181,413$3.13M0.0%N/A1.446% 2/14/2025Jane Street Group LLC11,400$30K0.0%N/A0.014% 2/14/2025Northern Trust Corp417,398$1.11M0.0%+2,550.1%0.511% 2/14/2025Boothbay Fund Management LLC260,276$690K0.0%+143.9%0.319% 2/14/2025Two Sigma Securities LLC15,116$40K0.0%N/A0.019% 2/14/2025Adage Capital Partners GP L.L.C.9,602,280$25.45M0.0%+164.9%11.756% 2/14/2025Diadema Partners LP158,023$419K0.2%N/A0.193% 2/14/2025Alpine Global Management LLC14,749$39K0.0%N/A0.018% 2/14/2025OneDigital Investment Advisors LLC27,500$73K0.0%-52.2%0.034% 2/14/2025Altium Capital Management LLC575,000$1.52M0.4%N/A0.704% 2/13/2025Marshall Wace LLP59,515$158K0.0%N/A0.073% 2/13/2025Affinity Asset Advisors LLC2,825,000$7.49M1.0%N/A3.459% The 1934 playbook (Ad)In 1934, a legal government maneuver transferred billions in wealth overnight. Most Americans never saw it coming — but those who did walked away wealthy.Trump holds that same legal authority today. Advisors close to the administration believe he may use it.If he does, the transfer moves fast. The window to position yourself on the right side is already closing.Get the free report now2/13/2025Jump Financial LLC26,702$71K0.0%N/A0.033% 2/13/2025Walleye Capital LLC451,303$1.20M0.0%N/A0.553% 2/13/2025XTX Topco Ltd61,597$163K0.0%N/A0.075% 2/13/2025Raymond James Financial Inc.97,928$260K0.0%N/A0.120% 2/13/2025Invesco Ltd.11,887$32K0.0%N/A0.015% 2/13/2025ADAR1 Capital Management LLC20,394$54K0.0%N/A0.025% 2/12/2025JPMorgan Chase & Co.53,423$142K0.0%+17,707.7%0.065% 2/11/2025Prudential Financial Inc.27,600$73K0.0%+109.1%0.034% 2/11/2025American Century Companies Inc.89,527$237K0.0%N/A0.110% 2/11/2025Virtu Financial LLC31,158$83K0.0%N/A0.038% PRQR Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of PRQR shares? During the previous two years, 57 institutional investors and hedge funds held shares of ProQR Therapeutics. The most heavily invested institutionals were Adage Capital Partners GP L.L.C. ($13.47M), Privium Fund Management B.V. ($10.82M), Aberdeen Group plc ($5.96M), Affinity Asset Advisors LLC ($4.96M), Sio Capital Management LLC ($4.23M), DAFNA Capital Management LLC ($4.15M), and Point72 Asset Management L.P. ($3.95M).Learn more on ProQR Therapeutics' institutional investors. What percentage of ProQR Therapeutics' stock is owned by institutional investors? 32.65% of ProQR Therapeutics' stock is owned by institutional investors. Learn more on PRQR's institutional investor holdings. Which institutional investors have been buying ProQR Therapeutics' stock? Of the 53 institutional investors that purchased ProQR Therapeutics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Adage Capital Partners GP L.L.C. ($5.98M), Woodline Partners LP ($3.56M), Affinity Asset Advisors LLC ($3.50M), Aberdeen Group plc ($2.95M), Millennium Management LLC ($2.88M), Platinum Investment Management Ltd. ($1.54M), and Point72 Asset Management L.P. ($1.49M). How much institutional buying is happening at ProQR Therapeutics? Institutional investors have bought a total of 4,096,045 shares in the last 24 months. This purchase volume represents approximately $8.41M in transactions. Which of ProQR Therapeutics' major shareholders have been selling company stock? Of the 15 institutional investors that sold ProQR Therapeutics' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Adage Capital Partners GP L.L.C. ($1.50M), Woodline Partners LP ($1.41M), Affinity Asset Advisors LLC ($1.15M), Millennium Management LLC ($1.07M), Platinum Investment Management Ltd. ($302.73K), ArrowMark Colorado Holdings LLC ($81.51K), and Jane Street Group LLC ($76.22K). How much institutional selling is happening at ProQR Therapeutics? Institutional investors have sold a total of 5,779,308 shares in the last 24 months. This volume of shares sold represents approximately $11.97M in transactions. Related Companies CytomX Therapeutics Institutional Ownership CryoPort Institutional Ownership Zevra Therapeutics Institutional Ownership Climb Bio Institutional Ownership Candel Therapeutics Institutional Ownership Tilray Brands Institutional Ownership Kyverna Therapeutics Institutional Ownership Arvinas Institutional Ownership Prime Medicine Institutional Ownership CorMedix Institutional Ownership This page (NASDAQ:PRQR) was last updated on 5/19/2026 by MarketBeat.com Staff. 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