Who owns ProQR Therapeutics N.V.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of PRQR from SEC Form 13F filings across 70 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 70 institutions disclosed 60.7M shares of ProQR Therapeutics N.V. worth $113.0M — about 55.2% of shares outstanding; the largest disclosed holder is ADAGE CAPITAL PARTNERS GP, L.L.C.. Source: SEC Form 13F filings, parsed by EvidInvest.
70
13F holders
$113.0M
value, 2026 filers
55.2%
of shares outstanding (60.7M sh)
13
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of PRQR's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 9.0M | $16.8M | 0.0% | 8.2% | +44.2% |
| 2 | Aberdeen Group plc | 8.9M | $16.6M | 0.0% | 8.1% | +169.3% |
| 3 | Affinity Asset Advisors, LLC | 5.5M | $10.3M | 0.5% | 5% | +125.9% |
| 4 | Privium Fund Management B.V. | 5.5M | $10.3M | 1.9% | 5% | +1.0% |
| 5 | Ikarian Capital, LLC | 3.4M | $6.4M | 0.7% | 3.1% | +129.6% |
| 6 | Woodline Partners LPNEW | 3.3M | $6.1M | 0.0% | 3% | new |
| 7 | HEIGHTS CAPITAL MANAGEMENT, INCNEW | 2.8M | $5.1M | 1.2% | 2.5% | new |
| 8 | MORGAN STANLEY | 1.8M | $3.3M | 0.0% | 1.6% | +36.0% |
| 9 | SPHERA FUNDS MANAGEMENT LTD.NEW | 1.8M | $3.3M | 0.4% | 1.6% | new |
| 10 | Kynam Capital Management, LP | 1.6M | $2.9M | 0.2% | 1.4% | 0.0% |
| 11 | DAFNA Capital Management LLC | 1.5M | $2.8M | 0.5% | 1.4% | -2.4% |
| 12 | Squadron Capital Management LLCNEW | 1.5M | $2.8M | 0.9% | 1.4% | new |
| 13 | 683 Capital Management, LLCNEW | 1.4M | $2.6M | 0.1% | 1.3% | new |
| 14 | CITADEL ADVISORS LLC | 1.2M | $2.2M | 0.0% | 1.1% | +68.4% |
| 15 | PLATINUM INVESTMENT MANAGEMENT LTD | 1.2M | $2.2M | 0.5% | 1.1% | -6.2% |
| 16 | TWO SIGMA INVESTMENTS, LP | 1.1M | $2.1M | 0.0% | 1% | +23.9% |
| 17 | Eversept Partners, LPNEW | 1.0M | $1.9M | 0.1% | 0.9% | new |
| 18 | BOOTHBAY FUND MANAGEMENT, LLC | 948,736 | $1.8M | 0.0% | 0.9% | +167.0% |
| 19 | DIADEMA PARTNERS LP | 926,016 | $1.7M | 0.2% | 0.8% | +414.2% |
| 20 | UBS Group AG | 639,243 | $1.2M | 0.0% | 0.6% | +109.4% |
| 21 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 620,000 | $1.2M | 0.0% | 0.6% | 0.0% |
| 22 | M28 Capital Management LP | 599,793 | $1.1M | 2.4% | 0.5% | 0.0% |
| 23 | RAYMOND JAMES FINANCIAL INC | 571,073 | $1.1M | 0.0% | 0.5% | +4.6% |
| 24 | Lynx1 Capital Management LP | 521,413 | $969,828 | 0.1% | 0.5% | +661.3% |
| 25 | JANE STREET GROUP, LLC | 455,104 | $846,493 | 0.0% | 0.4% | +1267.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.