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PRQRNasdaqPharmaceutical PreparationsFiscal year ends December 31

ProQR Therapeutics N.V.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 20-F on Mar 12, 2026
$1.31+0.00 (0.00%)

Close on Oct 19, 2026

Ownership

Who owns ProQR Therapeutics's shares

Held by institutions
–
Shares held, 13F filers
Institutional holders
–
Net institutional buying
–
Insider trades, 12 months
5 buys · 0 sales
Net bought $1.34M

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Adage Capital Management, L.P.9,602,2809.30%13G (passive)Dec 31, 2024
Aberdeen Group plc8,932,5076.33%13G (passive)Jun 30, 2026
Phillip Gross8,102,0987.70%13G (passive) amendmentMar 31, 2025
Robert Atchinson6,601,9386.27%13G (passive) amendmentJun 30, 2025
Patrick Johan Hendrik Krol5,528,8625.20%13G (passive) amendmentJul 15, 2026
ELI LILLY & Co21,995,88015.60%13G (passive) amendmentJun 26, 2026
Van Herk Investments THI B.V.15,384,25014.60%13D (active) amendmentJun 2, 2026
Adrianus van Herk15,384,25010.90%13D (active) amendmentJun 26, 2026
Onroerend Goed Beheer- en Beleggingsmaatschappij A. van Herk B.V.15,384,25010.90%13D (active) amendmentJul 27, 2026
Stichting Administratiekantoor Penulata15,384,25014.60%13D (active) amendmentFeb 5, 2026
A. van Herk Holding B.V.14,329,69013.60%13D (active) amendmentSep 29, 2025

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Boer Daniel Anton deChief Executive Officer, Director500,0000.47%Aug 3, 2026
Gerardus Johannes PlatenburgChief Scientific Officer, Director824,3880.78%Mar 18, 2026
Dennis HomChief Financial Officer––Mar 18, 2026
Bart FiliusDirector300,0000.28%Jul 21, 2026
Gylvin Lykke HinschDirector––Jun 30, 2026
Alison Frances LawtonDirector––Mar 18, 2026
Martin Alexander MaierDirector––Mar 18, 2026
Theresa HeggieDirector43,6230.04%Mar 18, 2026
Domenico ValerioDirector725,6920.69%Mar 18, 2026
Begona Carreno-GomezDirector––Mar 18, 2026
James Samuel ShannonDirector61,5380.06%Mar 18, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Boer Daniel Anton de
Chief Executive Officer, Director
Jul 31, 2026Buy+200,000$1.77$354.00K500,000
Bart Filius
Director
Jul 17, 2026Buy+150,000$1.72$258.00K300,000
Boer Daniel Anton de
Chief Executive Officer, Director
Jul 9, 2026Buy+150,000$1.74$261.00K300,000
Boer Daniel Anton de
Chief Executive Officer, Director
Jul 7, 2026Buy+150,000$1.59$238.50K150,000
Bart Filius
Director
Jun 26, 2026Buy+150,000$1.54$231.00K150,000

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.