ProQR Therapeutics N.V. (PRQR) Institutional Ownership Changes & 13F Activity

ProQR Therapeutics N.V. (PRQR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Woodline Partners Lp, Affinity Asset Advisors, Llc, Adage Capital Partners Gp, L.L.C., Heights Capital Management, Inc, and Ikarian Capital, Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Citadel Advisors LlcBuy+480,991+68.4%1,184,314$2.20MQ2 2026Sep 02, 2026
Woodline Partners LpBuy+3,277,1433,277,143$6.10MQ2 2026Aug 14, 2026
Adage Capital Partners Gp, L.L.C.Buy+2,762,430+44.2%9,015,897$16.77MQ2 2026Aug 14, 2026
Heights Capital Management, IncBuy+2,762,4302,762,430$5.14MQ2 2026Aug 14, 2026
Ikarian Capital, LlcBuy+1,933,701+129.6%3,425,930$6.37MQ2 2026Aug 14, 2026
Sphera Funds Management Ltd.Buy+1,757,4581,757,458$3.27MQ2 2026Aug 14, 2026
Squadron Capital Management LlcBuy+1,511,4961,511,496$2.81MQ2 2026Aug 14, 2026
683 Capital Management, LlcBuy+1,393,0671,393,067$2.59MQ2 2026Aug 14, 2026
Eversept Partners, LpBuy+1,022,2651,022,265$1.90MQ2 2026Aug 14, 2026
Diadema Partners LpBuy+745,933+414.2%926,016$1.72MQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Sell-705,190-93.3%50,652$94.21KQ2 2026Aug 14, 2026
Boothbay Fund Management, LlcBuy+593,453+167.0%948,736$1.76MQ2 2026Aug 14, 2026
Stempoint Capital LpBuy+431,054431,054$801.76KQ2 2026Aug 14, 2026
Jane Street Group, LlcBuy+421,815+1267.1%455,104$846.49KQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+219,858+23.9%1,138,715$2.12MQ2 2026Aug 14, 2026
Burkehill Global Management, LpBuy+176,243176,243$327.81KQ2 2026Aug 14, 2026
Bank Of America CorpSell-127,070-68.6%58,040$107.95KQ2 2026Aug 14, 2026
Dafna Capital Management LlcSell-37,200-2.4%1,530,361$2.85MQ2 2026Aug 14, 2026
Millennium Management LlcSell-33,242-17.1%161,004$299.47KQ2 2026Aug 14, 2026
Raymond James Financial IncBuy+24,994+4.6%571,073$1.06MQ2 2026Aug 14, 2026
Verdad Advisers, LpBuy+19,10019,100$35.53KQ2 2026Aug 14, 2026
Two Sigma Securities, LlcBuy+16,01616,016$29.79KQ2 2026Aug 14, 2026
Nano Cap New Millennium Growth Fund L PBuy+7,500+75.0%17,500$32.55KQ2 2026Aug 14, 2026
Royal Bank Of CanadaBuy+2,997+973.1%3,305$6.00KQ2 2026Aug 14, 2026
Affinity Asset Advisors, LlcBuy+3,089,658+125.9%5,543,936$10.31MQ2 2026Aug 13, 2026
Morgan StanleyBuy+467,440+36.0%1,767,215$3.29MQ2 2026Aug 13, 2026
Lynx1 Capital Management LpBuy+452,927+661.3%521,413$969.83KQ2 2026Aug 13, 2026
Ubs Group AgBuy+333,979+109.4%639,243$1.19MQ2 2026Aug 13, 2026
Bnp Paribas Financial MarketsBuy+103,282+59.9%275,631$512.67KQ2 2026Aug 13, 2026
Platinum Investment Management LtdSell-76,086-6.2%1,159,428$2.16MQ2 2026Aug 13, 2026
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Frequently asked questions about PRQR activity

  • Which institutional owners are buying PRQR?

    Institutional owners buying PRQR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in PRQR activity?

    "Buy" means an investor increased their reported position in PRQR compared to the prior reporting period. This reflects growing exposure to ProQR Therapeutics N.V. (PRQR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in PRQR increasing?

    Institutional interest in PRQR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.