ProQR Therapeutics N.V.
PRQR- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001612940
In the last 90 days, ProQR Therapeutics N.V. insiders filed 4 open-market purchases and 0 sales; 70 institutions reported holding it in 13F filings for Q2 2026, worth $113.0M in total; no superinvestor holds it.
Q4 2025 vs. Q3 2025
How the institutions holding ProQR Therapeutics N.V. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Of which not filed for Q4 2025 | Q4 2025 | Change |
|---|---|---|---|---|
| Holders | 64 | 1 | 65 | +2 |
| Shares | 37.5M | 52.2K | 37.2M | −334.9K (−0.9%) |
| Value | $80.0M | $111.2K | $75.1M | −$4.80M (−6.0%) |
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (10)
Institutions that held ProQR Therapeutics N.V. at the end of Q4 2025 but not at the end of Q3 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Nomura Asset Management International Inc. | 620,000 | $1.25M | 0.00% |
| Lynx1 Capital Management LP | 68,486 | $138.3K | 0.03% |
| Simplex Trading, LLC | 44,269 | $89.4K | 0.00% |
| Group One Trading, L.P. | 30,388 | $61.4K | 0.00% |
| Invesco Ltd. | 25,347 | $51.2K | 0.00% |
| Moody Lynn & Lieberson, LLC | 25,000 | $50.5K | 0.00% |
| Keating Financial Advisory Services, Inc. | 20,000 | $40.4K | 0.01% |
| Guggenheim Capital LLC | 17,224 | $34.8K | 0.00% |
| Nano Cap New Millennium Growth Fund L P | 10,000 | $20.2K | 0.02% |
| Farther Finance Advisors, LLC | 1,000 | $2.02K | 0.00% |
Sold out (8)
Institutions that held ProQR Therapeutics N.V. at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Siren, L.L.C. | 1,552,183 | $3.31M |
| Macquarie Group Ltd | 620,000 | $1.32M |
| Woodline Partners LP | 92,140 | $196.3K |
| Susquehanna International Group, LLP | 25,245 | $53.8K |
| Citigroup Inc | 22,724 | $48.4K |
| Kestra Advisory Services, LLC | 10,000 | $21.3K |
| Advisor Group Holdings, Inc. | 6,000 | $13.5K |
| Activest Wealth Management | 100 | $213 |
Not filed for Q4 2025 yet (1)
Institutions that held ProQR Therapeutics N.V. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Cubist Systematic Strategies, LLC | 52,191 | $111.2K |