ProQR Therapeutics N.V. - PRQR
Detailed investor-level table based on 13F positions.
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 |