ProQR Therapeutics N.V. - PRQR

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
ADAGE CAPITAL PARTNERS GP, L.L.C. History No change 6,253,467 10,130 0.02% 0.02% 1 0 0.0% Q1 2026 May 15, 2026
Privium Fund Management B.V. History Added to 5,467,149 8,856 1.84% 1.99% 2 +109,387 2.04% Q1 2026 May 05, 2026
Aberdeen Group plc History Added to 3,316,965 5,373 0.01% 0.01% 3 +366,289 12.41% Q1 2026 Apr 29, 2026
Affinity Asset Advisors, LLC History No change 2,454,278 3,975 0.21% 0.28% 4 0 0.0% Q1 2026 May 14, 2026
Sio Capital Management, LLC History Reduced 1,954,715 3,166 0.45% 0.69% 5 -209,466 -9.68% Q1 2026 May 14, 2026
DAFNA Capital Management LLC History No change 1,567,561 2,539 0.58% 0.74% 6 0 0.0% Q1 2026 May 15, 2026
Kynam Capital Management, LP History No change 1,566,317 2,537 0.16% 0.2% 7 0 0.0% Q1 2026 May 15, 2026
Ikarian Capital, LLC History No change 1,492,229 2,417 0.2% 0.24% 8 0 0.0% Q1 2026 May 15, 2026
MORGAN STANLEY History Reduced 1,299,775 2,105 0.0% 0.0% 9 -67,344 -4.93% Q1 2026 May 15, 2026
PLATINUM INVESTMENT MANAGEMENT LTD History No change 1,235,514 2,001 0.5% 0.58% 10 0 0.0% Q1 2026 May 13, 2026
TWO SIGMA INVESTMENTS, LP History Added to 918,857 1,488 0.0% 0.0% 11 +79,473 9.47% Q1 2026 May 15, 2026
Point72 Asset Management, L.P. History Reduced 755,842 1,224 0.0% 0.0% 12 -57,808 -7.1% Q1 2026 May 15, 2026
CITADEL ADVISORS LLC History Added to 703,323 1,139 0.0% 0.0% 13 +85,901 13.91% Q1 2026 May 15, 2026
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. History No change 620,000 1,004 0.0% 0.0% 14 0 0.0% Q1 2026 May 15, 2026
Walleye Capital LLC History Added to 607,529 984 0.0% 0.0% 15 +15,744 2.66% Q1 2026 May 13, 2026
M28 Capital Management LP History Reduced 599,793 971 1.8% 1.5% 16 -419,705 -41.17% Q1 2026 May 14, 2026
TWO SIGMA ADVISERS, LP History No change 452,400 913 0.0% 0.0% 17 0 0.0% Q4 2025 Feb 17, 2026
RAYMOND JAMES FINANCIAL INC History Added to 546,079 884 0.0% 0.0% 18 +203,193 59.26% Q1 2026 May 14, 2026
Monaco Asset Management SAM History Reduced 418,803 678 0.13% 0.15% 19 -10,000 -2.33% Q1 2026 May 11, 2026
BOOTHBAY FUND MANAGEMENT, LLC History No change 355,283 575 0.01% 0.01% 20 0 0.0% Q1 2026 May 15, 2026
UBS Group AG History Reduced 305,264 494 0.0% 0.0% 21 -492,400 -61.73% Q1 2026 May 05, 2026
NORTHERN TRUST CORP History Reduced 291,314 471 0.0% 0.0% 22 -3,428 -1.16% Q1 2026 May 14, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 194,246 314 0.0% 0.0% 23 -240,745 -55.34% Q1 2026 May 15, 2026
Palo Alto Investors LP History No change 188,807 305 0.05% 0.05% 24 0 0.0% Q1 2026 May 15, 2026
BANK OF AMERICA CORP /DE/ History Added to 185,110 299 0.0% 0.0% 25 +11,186 6.43% Q1 2026 May 15, 2026
DIADEMA PARTNERS LP History Added to 180,083 291 0.05% 0.06% 26 +12,551 7.49% Q1 2026 May 15, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 172,349 279 0.0% 0.0% 27 +15,200 9.67% Q1 2026 May 12, 2026
FRANKLIN STREET ADVISORS INC /NC History No change 150,000 243 0.01% 0.02% 28 0 0.0% Q1 2026 Apr 10, 2026
MARSHALL WACE, LLP History New 115,945 187 0.0% 29 +115,945 New Q1 2026 May 14, 2026
GSA CAPITAL PARTNERS LLP History New 114,256 185 0.01% 30 +114,256 New Q1 2026 May 08, 2026
DEUTSCHE BANK AG\ History No change 108,762 176 0.0% 0.0% 31 0 0.0% Q1 2026 May 06, 2026
Graham Capital Management, L.P. History New 91,553 148 0.0% 32 +91,553 New Q1 2026 May 15, 2026
GEODE CAPITAL MANAGEMENT, LLC History No change 84,909 137 0.0% 0.0% 33 0 0.0% Q1 2026 May 15, 2026
OneDigital Investment Advisors LLC History No change 85,000 137 0.0% 0.0% 34 0 0.0% Q1 2026 May 08, 2026
XTX Topco Ltd History Reduced 77,287 125 0.0% 0.01% 35 -40,613 -34.45% Q1 2026 May 15, 2026
Lynx1 Capital Management LP History No change 68,486 110 0.02% 0.03% 36 0 0.0% Q1 2026 May 01, 2026
Persistent Asset Partners Ltd History Added to 46,067 74 0.03% 0.04% 37 +913 2.02% Q1 2026 May 12, 2026
Invesco Ltd. History Added to 44,592 72 0.0% 0.0% 38 +19,245 75.93% Q1 2026 May 12, 2026
Velan Capital Investment Management LP History No change 45,000 72 0.05% 0.05% 39 0 0.0% Q1 2026 May 15, 2026
JANE STREET GROUP, LLC History Reduced 33,289 53 0.0% 0.0% 40 -126,886 -79.22% Q1 2026 May 12, 2026
Axiom Investment Management LLC History New 33,000 53 0.04% 41 +33,000 New Q1 2026 May 26, 2026
Squarepoint Ops LLC History New 31,518 51 0.0% 42 +31,518 New Q1 2026 May 15, 2026
NINE MASTS CAPITAL Ltd History New 29,518 47 0.01% 43 +29,518 New Q1 2026 May 12, 2026
GUGGENHEIM CAPITAL LLC History Added to 27,644 44 0.0% 0.0% 44 +10,420 60.5% Q1 2026 May 15, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 25,906 41 0.0% 0.0% 45 +11,906 85.04% Q1 2026 May 15, 2026
SIMPLEX TRADING, LLC History Reduced 24,868 40 0.0% 0.0% 47 -19,401 -43.83% Q1 2026 May 14, 2026
MOODY LYNN LIEBERSON & WALKER, LLC History No change 25,000 40 0.0% 0.0% 46 0 0.0% Q1 2026 Apr 13, 2026
Keating Financial Advisory Services, Inc. History Added to 20,552 33 0.01% 0.01% 48 +552 2.76% Q1 2026 May 15, 2026
China Universal Asset Management Co., Ltd. History New 20,000 32 0.0% 50 +20,000 New Q1 2026 Apr 27, 2026
Mariner, LLC History Added to 20,169 32 0.0% 0.0% 49 +950 4.94% Q1 2026 May 13, 2026
Vanguard Personalized Indexing Management, LLC History Reduced 19,410 31 0.0% 0.0% 51 -2,904 -13.01% Q1 2026 May 14, 2026
GROUP ONE TRADING LLC History Reduced 18,924 30 0.0% 0.0% 52 -40,364 -68.08% Q1 2026 May 13, 2026
RFG Advisory, LLC History Reduced 19,000 30 0.0% 0.0% 53 -11,000 -36.67% Q1 2026 Apr 17, 2026
Atom Investors LP History No change 13,107 21 0.0% 0.0% 54 0 0.0% Q1 2026 May 15, 2026
Quadrature Capital Ltd History Reduced 12,035 19 0.0% 0.0% 55 -92,196 -88.45% Q1 2026 May 15, 2026
TRUIST FINANCIAL CORP History No change 10,000 16 0.0% 0.0% 56 0 0.0% Q1 2026 Apr 27, 2026
NANO CAP NEW MILLENNIUM GROWTH FUND L P History No change 10,000 16 0.01% 0.02% 57 0 0.0% Q1 2026 May 15, 2026
ADAR1 Capital Management, LLC History No change 10,000 16 0.0% 0.0% 58 0 0.0% Q1 2026 May 15, 2026
WELLS FARGO & COMPANY/MN History No change 4,000 6 0.0% 0.0% 59 0 0.0% Q1 2026 Jul 08, 2026
BlackRock, Inc. History No change 3,945 6 0.0% 0.0% 60 0 0.0% Q1 2026 May 13, 2026
Hilton Head Capital Partners, LLC History New 1,404 2 0.0% 62 +1,404 New Q1 2026 Apr 20, 2026
Steward Partners Investment Advisory, LLC History No change 1,300 2 0.0% 0.0% 61 0 0.0% Q1 2026 May 08, 2026
Farther Finance Advisors, LLC History No change 1,000 1 0.0% 0.0% 63 0 0.0% Q1 2026 Apr 07, 2026
PFS Partners, LLC History No change 1,000 1 0.0% 0.0% 64 0 0.0% Q1 2026 Apr 09, 2026
ArrowMark Colorado Holdings LLC History Closed out 0 0 0.05% -1,164,722 -100.0% Q1 2026 May 15, 2026
FIFTH THIRD BANCORP History Closed out 0 0 0.0% -30,000 -100.0% Q1 2026 May 01, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Closed out 0 0 0.0% -20,097 -100.0% Q1 2026 May 08, 2026
ROYAL BANK OF CANADA History Reduced 308 0 0.0% -9,995 -97.01% Q1 2026 May 15, 2026
Tower Research Capital LLC (TRC) History Closed out 0 0 0.0% -1,211 -100.0% Q1 2026 May 15, 2026
Caitong International Asset Management Co., Ltd History New 123 0 +123 New Q1 2026 May 11, 2026
Rockefeller Capital Management L.P. History Closed out 0 0 -34 -100.0% Q1 2026 May 14, 2026
JPMORGAN CHASE & CO History No change 283 0 0 0.0% Q1 2026 May 13, 2026
SBI Securities Co., Ltd. History No change 515 0 0.0% 0 0.0% Q1 2026 Apr 27, 2026
TD Waterhouse Canada Inc. History No change 40 0 0 0.0% Q1 2026 May 12, 2026
Medallion Wealth Advisors, LLC History No change 10 0 0 0.0% Q1 2026 Apr 24, 2026