ProQR Therapeutics N.V.
PRQRHealthcare|Biotechnology|NL
$1.35
+0.02 (+1.50%)
Tangible Book / Share
$0.72
Cash / Share
$1.06
Ownership Breakdown
64.8%
Float
141.1M
Shares Outstanding
91.4M
Float Shares
Major Holders (20)
Combined: 158.2%
Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.
| Holder | Type | % of Class | Shares | Filed | Filing |
|---|---|---|---|---|---|
| ELI LILLY & Co | Corporation | 15.60% | 21,995,880 | Jul 24, 2026 | 13D/G |
| A. van Herk Holding B.V. | Corporation | 10.90% | 15,384,250 | Jul 29, 2026 | 13D/G |
| Onroerend Goed Beheer- en Beleggingsmaatschappij A. van Herk B.V. | Corporation | 10.90% | 15,384,250 | Jul 29, 2026 | 13D/G |
| Van Herk Management Services B.V. | Corporation | 10.90% | 15,384,250 | Jul 29, 2026 | 13D/G |
| Stichting Administratiekantoor Penulata | Other | 10.90% | 15,384,250 | Jul 29, 2026 | 13D/G |
| Van Herk Private Equity Investments B.V. | Corporation | 10.90% | 15,384,250 | Jul 29, 2026 | 13D/G |
| Van Herk Investments THI B.V. | Corporation | 10.90% | 15,384,250 | Jul 29, 2026 | 13D/G |
| Van Herk Investments B.V. | Corporation | 10.90% | 15,384,250 | Jul 29, 2026 | 13D/G |
| Adrianus van Herk | Individual | 10.90% | 15,384,250 | Jul 29, 2026 | 13D/G |
| Stichting Administratiekantoor Abchrys | Other | 10.90% | 15,384,250 | Jul 29, 2026 | 13D/G |
| abrdn Inc. | IA, CO | 6.33% | 8,932,507 | Jul 29, 2026 | 13D/G |
| Aberdeen Group plc | Holding company | 6.33% | 8,932,507 | Jul 29, 2026 | 13D/G |
| Robert Atchinson | HC, IN | 6.27% | 6,601,938 | Aug 12, 2025 | 13D/G |
| Adage Capital Management, L.P. | IA, PN | 6.27% | 6,601,938 | Aug 12, 2025 | 13D/G |
| Phillip Gross | HC, IN | 6.27% | 6,601,938 | Aug 12, 2025 | 13D/G |
| Patrick Johan Hendrik Krol | Non-US institution | 5.20% | 5,528,862 | Jul 15, 2026 | 13D/G |
| Privium Fund Management B.V. | Non-US institution | 3.87% | 5,467,149 | Jul 15, 2026 | 13D/G |
| Stichting Aescap Life Sciences | Non-US institution | 2.95% | 4,156,878 | Jul 15, 2026 | 13D/G |
| Stichting Aescap Genetics | Non-US institution | 0.93% | 1,310,271 | Jul 15, 2026 | 13D/G |
| Inspirational Visions B.V. | Non-US institution | 0.03% | 35,411 | Jul 15, 2026 | 13D/G |
Insider Trades (99)
Last 4 quarters: 314,595 acquired · 0 disposed
| Insider | Position | Date | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| de Boer Daniel Anton | director, officer: Chief Executive Officer | Jul 31, 2026 | BUY | 200,000 | $1.77 | $354.0K | Form 4 |
| Filius Bart | director | Jul 17, 2026 | BUY | 150,000 | $1.72 | $257.9K | Form 4 |
| de Boer Daniel Anton | director, officer: Chief Executive Officer | Jul 9, 2026 | BUY | 150,000 | $1.74 | $261.0K | Form 4 |
| de Boer Daniel Anton | director, officer: Chief Executive Officer | Jul 7, 2026 | BUY | 150,000 | $1.59 | $238.5K | Form 4 |
| Hinsch Gylvin Lykke | director | Jun 2, 2026 | AWARD | 14,595 | $1.42 | $20.7K | Form 4 |
| Filius Bart | director | Jun 26, 2026 | BUY | 150,000 | $1.54 | $231.0K | Form 4 |
| Hinsch Gylvin Lykke | director: | Jun 2, 2026 | OTHER | 0 | — | — | Form 4 |
| Valerio Domenico | director | Mar 18, 2026 | OTHER | 0 | — | — | Form 4 |
| Valerio Domenico | director | Mar 18, 2026 | OTHER | 0 | — | — | Form 4 |
| Valerio Domenico | director | Mar 18, 2026 | OTHER | 5,815 | $4.89 | $28.4K | Form 4 |
| Valerio Domenico | director | Mar 18, 2026 | OTHER | 32,164 | $4.90 | $157.6K | Form 4 |
| Valerio Domenico | director | Mar 18, 2026 | OTHER | 27,500 | $3.30 | $90.8K | Form 4 |
| Valerio Domenico | director | Mar 18, 2026 | OTHER | 14,918 | $15.78 | $235.4K | Form 4 |
| Valerio Domenico | director | Mar 18, 2026 | OTHER | 24,615 | $9.91 | $243.9K | Form 4 |
| Valerio Domenico | director | Mar 18, 2026 | OTHER | 23,239 | $4.20 | $97.6K | Form 4 |
| Valerio Domenico | director | Mar 18, 2026 | OTHER | 23,931 | $8.01 | $191.7K | Form 4 |
| Valerio Domenico | director | Mar 18, 2026 | OTHER | 22,608 | $3.41 | $77.1K | Form 4 |
| Valerio Domenico | director | Mar 18, 2026 | OTHER | 23,489 | $1.98 | $46.5K | Form 4 |
| Valerio Domenico | director | Mar 18, 2026 | OTHER | 22,128 | $2.65 | $58.6K | Form 4 |
| Valerio Domenico | director | Mar 18, 2026 | OTHER | 25,192 | $2.02 | $50.9K | Form 4 |
| Platenburg Gerardus Johannes | director, officer: Chief Scientific Officer | Mar 18, 2026 | OTHER | 0 | — | — | Form 4 |
| Platenburg Gerardus Johannes | director, officer: Chief Scientific Officer | Mar 18, 2026 | OTHER | 61,453 | $4.90 | $301.1K | Form 4 |
| Platenburg Gerardus Johannes | director, officer: Chief Scientific Officer | Mar 18, 2026 | OTHER | 71,409 | $3.30 | $235.6K | Form 4 |
| Platenburg Gerardus Johannes | director, officer: Chief Scientific Officer | Mar 18, 2026 | OTHER | 17,878 | $15.78 | $282.1K | Form 4 |
| Platenburg Gerardus Johannes | director, officer: Chief Scientific Officer | Mar 18, 2026 | OTHER | 141,369 | $9.91 | $1.4M | Form 4 |
| Platenburg Gerardus Johannes | director, officer: Chief Scientific Officer | Mar 18, 2026 | OTHER | 79,033 | $4.20 | $331.9K | Form 4 |
| Platenburg Gerardus Johannes | director, officer: Chief Scientific Officer | Mar 18, 2026 | OTHER | 77,353 | $1.02 | $78.9K | Form 4 |
| Platenburg Gerardus Johannes | director, officer: Chief Scientific Officer | Mar 18, 2026 | OTHER | 172,603 | $0.67 | $115.6K | Form 4 |
| Platenburg Gerardus Johannes | director, officer: Chief Scientific Officer | Mar 18, 2026 | OTHER | 152,000 | $3.41 | $518.3K | Form 4 |
| Platenburg Gerardus Johannes | director, officer: Chief Scientific Officer | Mar 18, 2026 | OTHER | 164,715 | $1.98 | $326.1K | Form 4 |
| Platenburg Gerardus Johannes | director, officer: Chief Scientific Officer | Mar 18, 2026 | OTHER | 159,358 | $2.65 | $422.3K | Form 4 |
| Platenburg Gerardus Johannes | director, officer: Chief Scientific Officer | Mar 18, 2026 | OTHER | 186,139 | $2.02 | $376.0K | Form 4 |
| Maier Martin Alexander | director | Mar 18, 2026 | OTHER | 500 | $1.02 | $510.00 | Form 4 |
| Maier Martin Alexander | director | Mar 18, 2026 | OTHER | 500 | $3.41 | $1.7K | Form 4 |
| Maier Martin Alexander | director | Mar 18, 2026 | OTHER | 500 | $1.98 | $990.00 | Form 4 |
| Maier Martin Alexander | director | Mar 18, 2026 | OTHER | 14,186 | $1.90 | $27.0K | Form 4 |
| Maier Martin Alexander | director | Mar 18, 2026 | OTHER | 22,128 | $2.65 | $58.6K | Form 4 |
| Maier Martin Alexander | director | Mar 18, 2026 | OTHER | 25,192 | $2.02 | $50.9K | Form 4 |
| Lawton Alison Frances | director | Mar 18, 2026 | OTHER | 5,815 | $4.89 | $28.4K | Form 4 |
| Lawton Alison Frances | director | Mar 18, 2026 | OTHER | 32,164 | $4.90 | $157.6K | Form 4 |
| Lawton Alison Frances | director | Mar 18, 2026 | OTHER | 27,500 | $3.30 | $90.8K | Form 4 |
| Lawton Alison Frances | director | Mar 18, 2026 | OTHER | 14,918 | $15.78 | $235.4K | Form 4 |
| Lawton Alison Frances | director | Mar 18, 2026 | OTHER | 24,615 | $9.91 | $243.9K | Form 4 |
| Lawton Alison Frances | director | Mar 18, 2026 | OTHER | 23,239 | $4.20 | $97.6K | Form 4 |
| Lawton Alison Frances | director | Mar 18, 2026 | OTHER | 23,931 | $8.01 | $191.7K | Form 4 |
| Lawton Alison Frances | director | Mar 18, 2026 | OTHER | 22,608 | $3.41 | $77.1K | Form 4 |
| Lawton Alison Frances | director | Mar 18, 2026 | OTHER | 23,489 | $1.98 | $46.5K | Form 4 |
| Lawton Alison Frances | director | Mar 18, 2026 | OTHER | 22,128 | $2.65 | $58.6K | Form 4 |
| Lawton Alison Frances | director | Mar 18, 2026 | OTHER | 25,192 | $2.02 | $50.9K | Form 4 |
| Hom Dennis | Chief Financial Officer | Mar 18, 2026 | OTHER | 750,000 | $1.66 | $1.2M | Form 4 |
| Hom Dennis | Chief Financial Officer | Mar 18, 2026 | OTHER | 250,000 | $2.02 | $505.0K | Form 4 |
| HEGGIE THERESA | director | Mar 18, 2026 | OTHER | 0 | — | — | Form 4 |
| HEGGIE THERESA | director | Mar 18, 2026 | OTHER | 100,000 | $6.73 | $673.0K | Form 4 |
| HEGGIE THERESA | director | Mar 18, 2026 | OTHER | 13,334 | $9.10 | $121.3K | Form 4 |
| HEGGIE THERESA | director | Mar 18, 2026 | OTHER | 24,615 | $9.91 | $243.9K | Form 4 |
| HEGGIE THERESA | director | Mar 18, 2026 | OTHER | 23,239 | $4.20 | $97.6K | Form 4 |
| HEGGIE THERESA | director | Mar 18, 2026 | OTHER | 78,556 | $1.02 | $80.1K | Form 4 |
| HEGGIE THERESA | director | Mar 18, 2026 | OTHER | 80,594 | $0.67 | $54.0K | Form 4 |
| HEGGIE THERESA | director | Mar 18, 2026 | OTHER | 14,418 | $1.74 | $25.1K | Form 4 |
| HEGGIE THERESA | director | Mar 18, 2026 | OTHER | 23,489 | $1.98 | $46.5K | Form 4 |
| HEGGIE THERESA | director | Mar 18, 2026 | OTHER | 22,128 | $2.65 | $58.6K | Form 4 |
| HEGGIE THERESA | director | Mar 18, 2026 | OTHER | 25,192 | $2.02 | $50.9K | Form 4 |
| Filius Bart | director | Mar 18, 2026 | OTHER | 12,755 | $11.69 | $149.1K | Form 4 |
| Filius Bart | director | Mar 18, 2026 | OTHER | 24,615 | $9.91 | $243.9K | Form 4 |
| Filius Bart | director | Mar 18, 2026 | OTHER | 23,239 | $4.20 | $97.6K | Form 4 |
| Filius Bart | director | Mar 18, 2026 | OTHER | 23,931 | $8.01 | $191.7K | Form 4 |
| Filius Bart | director | Mar 18, 2026 | OTHER | 22,608 | $3.41 | $77.1K | Form 4 |
| Filius Bart | director | Mar 18, 2026 | OTHER | 23,489 | $1.98 | $46.5K | Form 4 |
| Filius Bart | director | Mar 18, 2026 | OTHER | 22,128 | $2.65 | $58.6K | Form 4 |
| Filius Bart | director | Mar 18, 2026 | OTHER | 25,192 | $2.02 | $50.9K | Form 4 |
| de Boer Daniel Anton | director, officer: Chief Executive Officer | Mar 18, 2026 | OTHER | 239,717 | $4.90 | $1.2M | Form 4 |
| de Boer Daniel Anton | director, officer: Chief Executive Officer | Mar 18, 2026 | OTHER | 379,285 | $3.30 | $1.3M | Form 4 |
| de Boer Daniel Anton | director, officer: Chief Executive Officer | Mar 18, 2026 | OTHER | 253,192 | $15.78 | $4.0M | Form 4 |
| de Boer Daniel Anton | director, officer: Chief Executive Officer | Mar 18, 2026 | OTHER | 395,561 | $9.91 | $3.9M | Form 4 |
| de Boer Daniel Anton | director, officer: Chief Executive Officer | Mar 18, 2026 | OTHER | 442,279 | $4.20 | $1.9M | Form 4 |
| de Boer Daniel Anton | director, officer: Chief Executive Officer | Mar 18, 2026 | OTHER | 450,051 | $1.02 | $459.1K | Form 4 |
| de Boer Daniel Anton | director, officer: Chief Executive Officer | Mar 18, 2026 | OTHER | 1,200,000 | $0.66 | $792.0K | Form 4 |
| de Boer Daniel Anton | director, officer: Chief Executive Officer | Mar 18, 2026 | OTHER | 442,182 | $3.41 | $1.5M | Form 4 |
| de Boer Daniel Anton | director, officer: Chief Executive Officer | Mar 18, 2026 | OTHER | 479,171 | $1.98 | $948.8K | Form 4 |
| de Boer Daniel Anton | director, officer: Chief Executive Officer | Mar 18, 2026 | OTHER | 463,587 | $2.65 | $1.2M | Form 4 |
| de Boer Daniel Anton | director, officer: Chief Executive Officer | Mar 18, 2026 | OTHER | 1,400,000 | $2.16 | $3.0M | Form 4 |
| de Boer Daniel Anton | director, officer: Chief Executive Officer | Mar 18, 2026 | OTHER | 595,644 | $2.02 | $1.2M | Form 4 |
| Carreno-Gomez Begona | director | Mar 18, 2026 | OTHER | 3,565 | $0.95 | $3.4K | Form 4 |
| Carreno-Gomez Begona | director | Mar 18, 2026 | OTHER | 22,903 | $3.41 | $78.1K | Form 4 |
| Carreno-Gomez Begona | director | Mar 18, 2026 | OTHER | 23,489 | $1.98 | $46.5K | Form 4 |
| Carreno-Gomez Begona | director | Mar 18, 2026 | OTHER | 22,128 | $2.65 | $58.6K | Form 4 |
| Carreno-Gomez Begona | director | Mar 18, 2026 | OTHER | 25,192 | $2.02 | $50.9K | Form 4 |
| Shannon James Samuel | director | Mar 18, 2026 | OTHER | 0 | — | — | Form 4 |
| Shannon James Samuel | director | Mar 18, 2026 | OTHER | 33,069 | $4.89 | $161.7K | Form 4 |
| Shannon James Samuel | director | Mar 18, 2026 | OTHER | 32,164 | $4.90 | $157.6K | Form 4 |
| Shannon James Samuel | director | Mar 18, 2026 | OTHER | 27,500 | $3.30 | $90.8K | Form 4 |
| Shannon James Samuel | director | Mar 18, 2026 | OTHER | 14,918 | $15.78 | $235.4K | Form 4 |
| Shannon James Samuel | director | Mar 18, 2026 | OTHER | 24,615 | $9.91 | $243.9K | Form 4 |
| Shannon James Samuel | director | Mar 18, 2026 | OTHER | 23,239 | $4.20 | $97.6K | Form 4 |
| Shannon James Samuel | director | Mar 18, 2026 | OTHER | 23,931 | $8.01 | $191.7K | Form 4 |
| Shannon James Samuel | director | Mar 18, 2026 | OTHER | 22,608 | $3.41 | $77.1K | Form 4 |
| Shannon James Samuel | director | Mar 18, 2026 | OTHER | 23,489 | $1.98 | $46.5K | Form 4 |
| Shannon James Samuel | director | Mar 18, 2026 | OTHER | 22,128 | $2.65 | $58.6K | Form 4 |
| Shannon James Samuel | director | Mar 18, 2026 | OTHER | 25,192 | $2.02 | $50.9K | Form 4 |