ProQR Therapeutics N.V. (PRQR) Institutional Shareholders
ProQR Therapeutics N.V. (PRQR) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $112.94M in PRQR holdings during the latest filing period.
Adage Capital Partners Gp, L.L.C. is currently the largest disclosed institutional shareholder of PRQR tracked by InsiderSet, reporting ownership valued at approximately $16.77M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $16.50M, representing an estimated loss of -1.61% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 72% of the total disclosed PRQR value among the investors covered in this analysis. Major shareholders include Adage Capital Partners Gp, L.L.C., Aberdeen Group Plc, Affinity Asset Advisors, Llc, and several other long-term asset managers with concentrated positions in ProQR Therapeutics N.V. (PRQR).
This page ranks the largest institutional PRQR shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
70
Total Reported Value
$112.94M
Largest Holder
Adage Capital Partners Gp, L.L.C.
Largest Position
$16.77M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
88
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Adage Capital Partners Gp, L.L.C. | 0.02% | 9,015,897 | $16,769,568 | $16,499,092 | -$270,476 | -1.61% | |
| Aberdeen Group Plc | 0.02% | 8,932,507 | $16,614,463 | $16,346,488 | -$267,975 | -1.61% | |
| Affinity Asset Advisors, Llc | 0.50% | 5,543,936 | $10,311,721 | $10,145,403 | -$166,318 | -1.61% | |
| Privium Fund Management B.V. | 1.89% | 5,520,024 | $10,267,245 | $10,101,644 | -$165,601 | -1.61% | |
| Ikarian Capital, Llc | 1.04% | 3,425,930 | $6,372,230 | $6,269,452 | -$102,778 | -1.61% | |
| Woodline Partners Lp | 0.02% | 3,277,143 | $6,095,486 | $5,997,172 | -$98,314 | -1.61% | |
| Heights Capital Management, Inc | 1.19% | 2,762,430 | $5,138,120 | $5,055,247 | -$82,873 | -1.61% | |
| Morgan Stanley | 0.00% | 1,767,215 | $3,287,020 | $3,234,003 | -$53,017 | -1.61% | |
| Sphera Funds Management Ltd. | 0.47% | 1,757,458 | $3,268,872 | $3,216,148 | -$52,724 | -1.61% | |
| Kynam Capital Management, Lp | 0.16% | 1,566,317 | $2,913,350 | $2,866,360 | -$46,990 | -1.61% | |
| Dafna Capital Management Llc | 0.54% | 1,530,361 | $2,846,471 | $2,800,561 | -$45,910 | -1.61% | |
| Squadron Capital Management Llc | 0.96% | 1,511,496 | $2,811,383 | $2,766,038 | -$45,345 | -1.61% | |
| 683 Capital Management, Llc | 0.24% | 1,393,067 | $2,591,104 | $2,549,313 | -$41,791 | -1.61% | |
| Citadel Advisors Llc | 0.00% | 1,184,314 | $2,202,824 | $2,167,295 | -$35,529 | -1.61% | |
| Platinum Investment Management Ltd | 0.53% | 1,159,428 | $2,156,536 | $2,121,753 | -$34,783 | -1.61% | |
| Two Sigma Investments, Lp | 0.00% | 1,138,715 | $2,118,010 | $2,083,848 | -$34,162 | -1.61% | |
| Eversept Partners, Lp | 0.10% | 1,022,265 | $1,901,413 | $1,870,745 | -$30,668 | -1.61% | |
| Boothbay Fund Management, Llc | 0.03% | 948,736 | $1,764,649 | $1,736,187 | -$28,462 | -1.61% | |
| Diadema Partners Lp | 0.61% | 926,016 | $1,722,390 | $1,694,609 | -$27,781 | -1.61% | |
| Ubs Group Ag | 0.00% | 639,243 | $1,188,992 | $1,169,815 | -$19,177 | -1.61% | |
| Nomura Asset Management International Inc. | 0.00% | 620,000 | $1,153,000 | $1,134,600 | -$18,400 | -1.60% | |
| M28 Capital Management Lp | 2.37% | 599,793 | $1,115,615 | $1,097,621 | -$17,994 | -1.61% | |
| Raymond James Financial Inc | 0.00% | 571,073 | $1,062,196 | $1,045,064 | -$17,132 | -1.61% | |
| Lynx1 Capital Management Lp | 0.11% | 521,413 | $969,828 | $954,186 | -$15,642 | -1.61% | |
| Jane Street Group, Llc | 0.00% | 455,104 | $846,493 | $832,840 | -$13,653 | -1.61% | |
| Stempoint Capital Lp | 0.14% | 431,054 | $801,760 | $788,829 | -$12,931 | -1.61% | |
| Bnp Paribas Financial Markets | 0.00% | 275,631 | $512,674 | $504,405 | -$8,269 | -1.61% | |
| Monaco Asset Management Sam | 0.17% | 244,487 | $454,746 | $447,411 | -$7,335 | -1.61% | |
| Persistent Asset Partners Ltd | 0.14% | 236,454 | $439,804 | $432,711 | -$7,093 | -1.61% | |
| Palo Alto Investors Lp | 0.05% | 188,807 | $351,181 | $345,517 | -$5,664 | -1.61% | |
| Burkehill Global Management, Lp | 0.01% | 176,243 | $327,812 | $322,525 | -$5,287 | -1.61% | |
| Gsa Capital Partners Llp | 0.02% | 173,844 | $323,000 | $318,135 | -$4,865 | -1.51% | |
| Millennium Management Llc | 0.00% | 161,004 | $299,467 | $294,637 | -$4,830 | -1.61% | |
| Franklin Street Advisors Inc | 0.02% | 150,000 | $279,000 | $274,500 | -$4,500 | -1.61% | |
| Deutsche Bank Ag\ | 0.00% | 108,762 | $202,297 | $199,034 | -$3,263 | -1.61% | |
| Onedigital Investment Advisors Llc | 0.00% | 85,000 | $158,100 | $155,550 | -$2,550 | -1.61% | |
| Quadrature Capital Ltd | 0.00% | 84,806 | $157,739 | $155,195 | -$2,544 | -1.61% | |
| Rfg Advisory, Llc | 0.00% | 64,000 | $119,040 | $117,120 | -$1,920 | -1.61% | |
| Bank Of America Corp | 0.00% | 58,040 | $107,954 | $106,213 | -$1,741 | -1.61% | |
| Geode Capital Management, Llc | 0.00% | 57,997 | $107,874 | $106,135 | -$1,739 | -1.61% | |
| Point72 Asset Management, L.P. | 0.00% | 50,652 | $94,213 | $92,693 | -$1,520 | -1.61% | |
| Keating Financial Advisory Services, Inc. | 0.01% | 47,552 | $88,447 | $87,020 | -$1,427 | -1.61% | |
| Velan Capital Investment Management Lp | 0.05% | 45,000 | $83,700 | $82,350 | -$1,350 | -1.61% | |
| Guggenheim Capital Llc | 0.00% | 39,954 | $74,314 | $73,116 | -$1,198 | -1.61% | |
| Steward Partners Investment Advisory, Llc | 0.00% | 35,241 | $65,548 | $64,491 | -$1,057 | -1.61% | |
| Moody Lynn Lieberson & Walker, Llc | 0.00% | 25,000 | $46,500 | $45,750 | -$750 | -1.61% | |
| Vanguard Personalized Indexing Management, Llc | 0.00% | 22,095 | $41,097 | $40,434 | -$663 | -1.61% | |
| Mariner, Llc | 0.00% | 20,169 | $37,514 | $36,909 | -$605 | -1.61% | |
| Verdad Advisers, Lp | 0.03% | 19,100 | $35,526 | $34,953 | -$573 | -1.61% | |
| Nano Cap New Millennium Growth Fund L P | 0.03% | 17,500 | $32,550 | $32,025 | -$525 | -1.61% |
Frequently asked questions about PRQR
Who owns the most PRQR stock?
The largest holders of PRQR are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ProQR Therapeutics N.V. (PRQR).
Is PRQR widely held by superinvestors?
Many widely followed stocks like PRQR appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly PRQR is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.