PRQR · ProQR Therapeutics N.V.
$1.70
+0.03 (+1.80%)
At close · Jul 17
Market Cap
$239.91M
Shares
141.12M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
The Jun 30, 2026 filing window is
still open — showing the latest known positions. Funds that have not filed yet
carry their prior-quarter positions; a fund that filed without this stock counts
as sold out.
Holders: 68
Total Value: $56,708,082
Total Shares: 34,995,377
Institutional Ownership Trend
26 quarters
Holder Concentration
Across 69 13F filersTop Holder
17.8%
of institutional value
Top 5
55.4%
of institutional value
Top 10
75.8%
of institutional value
HHI
846
Broadly held
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. | $10,130,616 | 17.86% | 6,253,467 | Shares | Sole | 2026-05-15 | ||||
| Small Privium Fund Management B.V. | $8,856,781 | 15.62% | 5,467,149 | Shares | Sole | 2026-05-05 | ||||
| Large Aberdeen Group plc | $5,373,483 | 9.48% | 3,316,965 | Shares | Defined | 2026-04-29 | ||||
| Mid Affinity Asset Advisors, LLC | $3,975,930 | 7.01% | 2,454,278 | Shares | Sole | 2026-05-14 | ||||
| Small Sio Capital Management, LLC | $3,166,638 | 5.58% | 1,954,715 | Shares | Sole | 2026-05-14 | ||||
| Small DAFNA Capital Management LLC | $2,539,448 | 4.48% | 1,567,561 | Shares | Sole | 2026-05-15 | ||||
| Mid Kynam Capital Management, LP | $2,537,433 | 4.47% | 1,566,317 | Shares | Sole | 2026-05-15 | ||||
| Mid Ikarian Capital, LLC | $2,417,410 | 4.26% | 1,492,229 | Shares | Sole | 2026-05-15 | ||||
| Mega MORGAN STANLEY | $2,105,635 | 3.71% | 1,299,775 | Shares | Defined | 2026-05-15 | ||||
| Small PLATINUM INVESTMENT MANAGEMENT LTD | $2,001,532 | 3.53% | 1,235,514 | Shares | Sole | 2026-05-14 | ||||
| Mega TWO SIGMA INVESTMENTS, LP | $1,488,548 | 2.62% | 918,857 | Shares | Sole | 2026-05-15 | ||||
| Large Point72 Asset Management, L.P. | $1,224,464 | 2.16% | 755,842 | Shares | Defined | 2026-05-15 | ||||
| Mega CITADEL ADVISORS LLC | $1,139,383 | 2.01% | 703,323 | Shares | Defined | 2026-05-15 | ||||
| Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | $1,004,400 | 1.77% | 620,000 | Shares | Defined | 2026-05-15 | ||||
| Large Walleye Capital LLC | $984,196 | 1.74% | 607,529 | Shares | Sole | 2026-05-13 | ||||
| Micro M28 Capital Management LP | $971,664 | 1.71% | 599,793 | Shares | Sole | 2026-05-14 | ||||
| Mega RAYMOND JAMES FINANCIAL INC | $884,647 | 1.56% | 546,079 | Shares | Defined | 2026-05-14 | ||||
| Small Monaco Asset Management SAM | $678,460 | 1.20% | 418,803 | Shares | Sole | 2026-05-11 | ||||
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $575,558 | 1.01% | 355,283 | Shares | Other | 2026-05-15 | ||||
| Mega UBS Group AG | $494,527 | 0.87% | 305,264 | Shares | Defined | 2026-05-05 | ||||
| Mega NORTHERN TRUST CORP Bank | $471,928 | 0.83% | 291,314 | Shares | Defined | 2026-05-14 | ||||
| Mega MILLENNIUM MANAGEMENT LLC | $314,678 | 0.55% | 194,246 | Shares | Sole | 2026-05-15 | ||||
| Small Palo Alto Investors LP | $305,867 | 0.54% | 188,807 | Shares | Sole | 2026-05-15 | ||||
| Mega BANK OF AMERICA CORP /DE/ Bank | $299,878 | 0.53% | 185,110 | Shares | Defined | 2026-05-18 | ||||
| Small DIADEMA PARTNERS LP | $291,734 | 0.51% | 180,083 | Shares | Sole | 2026-05-15 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $279,205 | 0.49% | 172,349 | Shares | Defined | 2026-05-12 | ||||
| Large MARSHALL WACE, LLP | $187,830 | 0.33% | 115,945 | Shares | Other | 2026-05-15 | ||||
| Mid GSA CAPITAL PARTNERS LLP | $185,094 | 0.33% | 114,256 | Shares | Sole | 2026-05-08 | ||||
| Mega DEUTSCHE BANK AG\ Bank | $176,194 | 0.31% | 108,762 | Shares | Defined | 2026-05-06 | ||||
| Mid Graham Capital Management, L.P. | $148,315 | 0.26% | 91,553 | Shares | Sole | 2026-05-15 | ||||
| Mid OneDigital Investment Advisors LLC | $137,700 | 0.24% | 85,000 | Shares | Sole | 2026-05-08 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $137,552 | 0.24% | 84,909 | Shares | Defined | 2026-05-15 | ||||
| Mid XTX Topco Ltd | $125,204 | 0.22% | 77,287 | Shares | Defined | 2026-05-15 | ||||
| Mid RFG Advisory, LLC | $119,040 | 0.21% | 64,000 | Shares | Sole | 2026-07-15 | ||||
| Small Lynx1 Capital Management LP | $110,947 | 0.20% | 68,486 | Shares | Other | 2026-05-04 | ||||
| Small Persistent Asset Partners Ltd | $74,628 | 0.13% | 46,067 | Shares | Sole | 2026-05-12 | ||||
| Small Velan Capital Investment Management LP | $72,900 | 0.13% | 45,000 | Shares | Sole | 2026-05-15 | ||||
| Mega Invesco Ltd. | $72,239 | 0.13% | 44,592 | Shares | Defined | 2026-05-12 | ||||
| Mega JANE STREET GROUP, LLC | $53,927 | 0.10% | 33,289 | Shares | Defined | 2026-05-12 | ||||
| Small Axiom Investment Management LLC | $53,460 | 0.09% | 33,000 | Shares | Sole | 2026-05-26 | ||||
| Large Squarepoint Ops LLC | $51,059 | 0.09% | 31,518 | Shares | Defined | 2026-05-15 | ||||
| Mid NINE MASTS CAPITAL Ltd | $47,819 | 0.08% | 29,518 | Shares | Sole | 2026-05-13 | ||||
| Large GUGGENHEIM CAPITAL LLC | $44,783 | 0.08% | 27,644 | Shares | Defined | 2026-05-15 | ||||
| Mid MOODY LYNN LIEBERSON & WALKER, LLC | $40,500 | 0.07% | 25,000 | Shares | Sole | 2026-04-13 | ||||
| Mid SIMPLEX TRADING, LLC | $40,286 | 0.07% | 24,868 | Shares | Sole | 2026-05-14 | ||||
| Small Keating Financial Advisory Services, Inc. | $33,294 | 0.06% | 20,552 | Shares | Sole | 2026-05-15 | ||||
| Large Mariner, LLC | $32,673 | 0.06% | 20,169 | Shares | Sole | 2026-05-13 | ||||
| Mid China Universal Asset Management Co., Ltd. | $32,400 | 0.06% | 20,000 | Shares | Sole | 2026-04-28 | ||||
| Mid Vanguard Personalized Indexing Management, LLC | $31,444 | 0.06% | 19,410 | Shares | Sole | 2026-05-14 | ||||
| Mid GROUP ONE TRADING LLC | $30,656 | 0.05% | 18,924 | Shares | Sole | 2026-05-13 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $22,194 | 0.04% | 13,700 | Call | Other | 2026-05-15 | ||||
| Mid Atom Investors LP | $21,233 | 0.04% | 13,107 | Shares | Sole | 2026-05-15 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $19,773 | 0.03% | 12,206 | Shares | Other | 2026-05-15 | ||||
| Mid Quadrature Capital Ltd | $19,496 | 0.03% | 12,035 | Shares | Other | 2026-05-15 | ||||
| Small NANO CAP NEW MILLENNIUM GROWTH FUND L P | $16,200 | 0.03% | 10,000 | Shares | Sole | 2026-05-15 | ||||
| Mid ADAR1 Capital Management, LLC | $16,200 | 0.03% | 10,000 | Shares | Sole | 2026-05-18 | ||||
| Large TRUIST FINANCIAL CORP | $16,200 | 0.03% | 10,000 | Shares | Defined | 2026-04-27 | ||||
| Mega WELLS FARGO & COMPANY/MN | $6,480 | 0.01% | 4,000 | Shares | Defined | 2026-05-11 | ||||
| Mega BlackRock, Inc. | $6,390 | 0.01% | 3,945 | Shares | Sole | 2026-05-13 | ||||
| Small Hilton Head Capital Partners, LLC | $2,274 | 0.00% | 1,404 | Shares | Sole | 2026-04-20 | ||||
| Large Steward Partners Investment Advisory, LLC | $2,106 | 0.00% | 1,300 | Shares | Sole | 2026-05-08 | ||||
| Mid Farther Finance Advisors, LLC | $1,860 | 0.00% | 1,000 | Shares | Sole | 2026-07-17 | ||||
| Micro PFS Partners, LLC | $1,620 | 0.00% | 1,000 | Shares | Sole | 2026-04-09 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $834 | 0.00% | 515 | Shares | Defined | 2026-04-28 | ||||
| Mega ROYAL BANK OF CANADA Bank | $498 | 0.00% | 308 | Shares | Defined | 2026-05-15 | ||||
| Mega JPMORGAN CHASE & CO | $458 | 0.00% | 283 | Shares | Defined | 2026-05-13 | ||||
| Small Caitong International Asset Management Co., Ltd | $199 | 0.00% | 123 | Shares | Sole | 2026-05-11 | ||||
| Large TD Waterhouse Canada Inc. | $64 | 0.00% | 40 | Shares | Defined | 2026-05-12 | ||||
| Small Medallion Wealth Advisors, LLC | $16 | 0.00% | 10 | Shares | Sole | 2026-04-24 | ||||
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