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ProQR Therapeutics (PRQR) Institutional Ownership

ProQR Therapeutics logo
$1.57 -0.06 (-3.68%)
Closing price 10/8/2026 04:00 PM Eastern
Extended Trading
$1.59 +0.02 (+1.21%)
As of 07:56 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.
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Institutional Ownership Changes (13F Filings) for ProQR Therapeutics (NASDAQ:PRQR)

Current
Institutional Ownership
Percentage
32.65%
Number of
Institutional Buyers
(last 12 months)
27
Total
Institutional Inflows
(last 12 months)
$7.84M
Number of
Institutional Sellers
(last 12 months)
8
Total
Institutional Outflows
(last 12 months)
$8.36M
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PRQR Institutional Buying and Selling by Quarter

ProQR Therapeutics Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026RFG Advisory LLC64,000$119K0.0%+236.8%0.061%
5/26/2026Axiom Investment Management LLC33,000$53K0.0%N/A0.031%
5/19/2026Bank of America Corp DE185,110$300K0.0%+6.4%0.176%
5/14/2026Group One Trading LLC18,924$31K0.0%-68.1%0.018%
5/14/2026Walleye Capital LLC607,529$984K0.0%+2.7%0.577%
4/20/2026RFG Advisory LLC19,000$31K0.0%-36.7%0.018%
2/19/2026Invesco Ltd.25,347$51K0.0%N/A0.024%
2/18/2026XTX Topco Ltd117,900$238K0.0%+1,057.4%0.112%
2/18/2026Ikarian Capital LLC1,492,229$3.01M0.2%+67.2%1.418%
2/18/2026Quadrature Capital Ltd104,231$211K0.0%+188.4%0.099%
2/18/2026Millennium Management LLC434,991$879K0.0%+80.8%0.413%
2/18/2026Boothbay Fund Management LLC355,283$718K0.0%+43.1%0.338%
2/17/2026Guggenheim Capital LLC17,224$35K0.0%N/A0.016%
2/17/2026ArrowMark Colorado Holdings LLC1,164,722$2.35M0.1%-6.5%1.107%
2/17/2026Diadema Partners LP167,532$338K0.1%+6.2%0.159%
2/17/2026Persistent Asset Partners Ltd45,154$91K0.0%+24.5%0.043%
2/13/2026Walleye Capital LLC591,785$1.20M0.0%+11.2%0.562%
2/13/2026Affinity Asset Advisors LLC2,454,278$4.96M0.3%-31.8%2.333%
2/12/2026Jane Street Group LLC160,175$324K0.0%+1,388.5%0.152%
2/11/2026Simplex Trading LLC44,269$89K0.0%+44,169.0%0.042%
2/10/2026Monaco Asset Management SAM428,803$866K0.1%-6.8%0.408%
2/9/2026Geode Capital Management LLC84,909$172K0.0%+73.9%0.081%
2/3/2026Privium Fund Management B.V.5,357,762$10.82M2.0%+7.2%5.092%
1/16/2026Aberdeen Group plc2,950,676$5.96M0.0%+28.4%2.805%
1/15/2026Moody Lynn & Lieberson LLC25,000$50K0.0%N/A0.024%
11/17/2025Woodline Partners LP92,140$196K0.0%-93.9%0.088%
11/17/2025Palo Alto Investors LP188,807$402K0.1%N/A0.179%
11/17/2025Millennium Management LLC240,622$513K0.0%-81.6%0.229%
11/17/2025Citadel Advisors LLC657,012$1.40M0.0%+73.2%0.624%
11/17/2025Boothbay Fund Management LLC248,290$529K0.0%+10.8%0.236%
11/17/2025ArrowMark Colorado Holdings LLC1,246,234$2.65M0.0%+3.9%1.185%
11/14/2025Raymond James Financial Inc.110,270$235K0.0%+15.2%0.105%
11/14/2025Two Sigma Investments LP417,300$889K0.0%+86.3%0.397%
11/13/2025Platinum Investment Management Ltd.1,235,514$2.63M0.2%-14.8%1.174%
11/13/2025BNP Paribas Financial Markets139,594$297K0.0%+14.9%0.133%
11/10/2025OneDigital Investment Advisors LLC80,000$170K0.0%+23.1%0.076%
11/7/2025Fifth Third Bancorp30,000$64K0.0%N/A0.029%
11/7/2025Aberdeen Group plc2,298,823$4.90M0.0%+24.2%2.185%
9/4/2025Osaic Holdings Inc.12,050$25K0.0%+59.6%0.011%
8/15/2025BNP Paribas Financial Markets121,494$248K0.0%+28.4%0.115%
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8/15/2025Bank of America Corp DE119,198$243K0.0%+25.7%0.113%
8/15/2025Adage Capital Partners GP L.L.C.6,601,938$13.47M0.0%-18.5%6.275%
8/14/2025Jane Street Group LLC14,904$30K0.0%-83.6%0.014%
8/14/2025Raymond James Financial Inc.95,721$195K0.0%-6.3%0.091%
8/14/2025Diadema Partners LP157,694$322K0.1%-24.1%0.150%
8/13/2025Affinity Asset Advisors LLC3,499,512$7.14M1.0%+6.5%3.326%
8/13/2025Walleye Capital LLC531,977$1.09M0.0%+5.6%0.506%
8/13/2025Sio Capital Management LLC2,075,139$4.23M1.6%+1.0%1.972%
8/11/2025Persistent Asset Partners Ltd36,280$74K0.1%-24.1%0.034%
8/8/2025PNC Financial Services Group Inc.17,649$36K0.0%-33.8%0.017%
8/7/2025Monaco Asset Management SAM460,000$938K0.2%-2.5%0.437%
7/30/2025Privium Fund Management B.V.4,997,562$10.05M2.2%+0.2%4.750%
7/23/2025Vontobel Holding Ltd.63,979$131K0.0%+76.5%0.061%
7/21/2025Platinum 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%
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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%
2/13/2025Jump 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%


PRQR Institutional Ownership - Frequently Asked Questions

During the previous two years, 58 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.

32.65% of ProQR Therapeutics' stock is owned by institutional investors. Learn more on PRQR's institutional investor holdings.

Of the 55 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).

Institutional investors have bought a total of 3,825,881 shares in the last 24 months. This purchase volume represents approximately $7.84M in transactions.

The following institutional investors have sold ProQR Therapeutics stock in the last 24 months: Woodline Partners LP ($1.41M), Affinity Asset Advisors LLC ($1.15M), Millennium Management LLC ($1.07M), Platinum Investment Management Ltd. ($215.46K), ArrowMark Colorado Holdings LLC ($81.51K), Group One Trading LLC ($40.36K), and Monaco Asset Management SAM ($31.20K).

Institutional investors have sold a total of 4,004,021 shares in the last 24 months. This volume of shares sold represents approximately $8.36M in transactions.


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Institutional ownership data for NASDAQ:PRQR is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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