| Issuer | % of Class | Filed | |||
|---|---|---|---|---|---|
|
ProQR Therapeutics N.V.
13D/A
Amendment 7
PRQR · N71542109
|
10.9% |
7/29/2026
Event 7/27/2026
|
|||
| Van Herk Investments B.V. | 10.9% | ||||
| Van Herk Investments THI B.V. | 10.9% | ||||
| Van Herk Private Equity Investments B.V. | 10.9% | ||||
| Stichting Administratiekantoor Penulata | 10.9% | ||||
| Van Herk Management Services B.V. | 10.9% | ||||
| Onroerend Goed Beheer- en Beleggingsmaatschappij A. van Herk B.V. | 10.9% | ||||
| A. van Herk Holding B.V. | 10.9% | ||||
| Stichting Administratiekantoor Abchrys | 10.9% | ||||
| Adrianus van Herk | 10.9% | ||||
|
ProQR Therapeutics N.V.
13D/A
Amendment 6
PRQR · N71542109
|
10.9% |
6/30/2026
Event 6/26/2026
|
|||
| Van Herk Investments B.V. | 10.9% | ||||
| Van Herk Investments THI B.V. | 10.9% | ||||
| Van Herk Private Equity Investments B.V. | 10.9% | ||||
| Stichting Administratiekantoor Penulata | 10.9% | ||||
| Van Herk Management Services B.V. | 10.9% | ||||
| Onroerend Goed Beheer- en Beleggingsmaatschappij A. van Herk B.V. | 10.9% | ||||
| A. van Herk Holding B.V. | 10.9% | ||||
| Stichting Administratiekantoor Abchrys | 10.9% | ||||
| Adrianus van Herk | 10.9% | ||||
|
ProQR Therapeutics N.V.
13D/A
Amendment 5
PRQR · N71542109
|
14.6% |
6/3/2026
Event 6/2/2026
|
|||
| Van Herk Investments B.V. | 14.6% | ||||
| Van Herk Investments THI B.V. | 14.6% | ||||
| Van Herk Private Equity Investments B.V. | 14.6% | ||||
| Stichting Administratiekantoor Penulata | 14.6% | ||||
| Van Herk Management Services B.V. | 14.6% | ||||
| Onroerend Goed Beheer- en Beleggingsmaatschappij A. van Herk B.V. | 14.6% | ||||
| A. van Herk Holding B.V. | 14.6% | ||||
| Stichting Administratiekantoor Abchrys | 14.6% | ||||
| Adrianus van Herk | 14.6% | ||||
|
ProQR Therapeutics N.V.
13D/A
Amendment 4
PRQR · N71542109
|
14.6% |
2/6/2026
Event 2/5/2026
|
|||
| Van Herk Investments B.V. | 14.6% | ||||
| Van Herk Investments THI B.V. | 14.6% | ||||
| Van Herk Private Equity Investments B.V. | 14.6% | ||||
| Stichting Administratiekantoor Penulata | 14.6% | ||||
| Van Herk Management Services B.V. | 14.6% | ||||
| Onroerend Goed Beheer- en Beleggingsmaatschappij A. van Herk B.V. | 14.6% | ||||
| A. van Herk Holding B.V. | 14.6% | ||||
| Stichting Administratiekantoor Abchrys | 14.6% | ||||
| Adrianus van Herk | 14.6% | ||||
|
ProQR Therapeutics N.V.
13D/A
Amendment 3
PRQR · N71542109
|
13.6% |
9/30/2025
Event 9/29/2025
|
|||
| Van Herk Investments B.V. | 13.6% | ||||
| Van Herk Investments THI B.V. | 13.6% | ||||
| Van Herk Private Equity Investments B.V. | 13.6% | ||||
| Stichting Administratiekantoor Penulata | 13.6% | ||||
| Van Herk Management Services B.V. | 13.6% | ||||
| Onroerend Goed Beheer- en Beleggingsmaatschappij A. van Herk B.V. | 13.6% | ||||
| A. van Herk Holding B.V. | 13.6% | ||||
| Stichting Administratiekantoor Abchrys | 13.6% | ||||
| Adrianus van Herk | 13.6% | ||||
|
ProQR Therapeutics N.V.
13D/A
Amendment 2
PRQR · N71542109
|
12.6% |
9/4/2025
Event 9/3/2025
|
|||
| Van Herk Investments B.V. | 12.6% | ||||
| Van Herk Investments THI B.V. | 12.6% | ||||
| Van Herk Private Equity Investments B.V. | 12.6% | ||||
| Stichting Administratiekantoor Penulata | 12.6% | ||||
| Van Herk Management Services B.V. | 12.6% | ||||
| Onroerend Goed Beheer- en Beleggingsmaatschappij A. van Herk B.V. | 12.6% | ||||
| A. van Herk Holding B.V. | 12.6% | ||||
| Stichting Administratiekantoor Abchrys | 12.6% | ||||
| Adrianus van Herk | 12.6% | ||||
|
ProQR Therapeutics N.V.
13D/A
Amendment 1
PRQR · N71542109
|
11.6% |
8/20/2025
Event 8/19/2025
|
|||
| Van Herk Investments B.V. | 11.6% | ||||
| Van Herk Investments THI B.V. | 11.6% | ||||
| Van Herk Private Equity Investments B.V. | 11.6% | ||||
| Stichting Administratiekantoor Penulata | 11.6% | ||||
| Van Herk Management Services B.V. | 11.6% | ||||
| Onroerend Goed Beheer- en Beleggingsmaatschappij A. van Herk B.V. | 11.6% | ||||
| A. van Herk Holding B.V. | 11.6% | ||||
| Stichting Administratiekantoor Abchrys | 11.6% | ||||
| Adrianus van Herk | 11.6% | ||||
|
ProQR Therapeutics N.V.
13D
PRQR · N71542109
|
10.9% |
5/28/2025
Event 5/23/2025
|
|||
| Van Herk Investments B.V. | 10.9% | ||||
| Van Herk Investments THI B.V. | 10.9% | ||||
| Van Herk Private Equity Investments B.V. | 10.9% | ||||
| Stichting Administratiekantoor Penulata | 10.9% | ||||
| Van Herk Management Services B.V. | 10.9% | ||||
| Onroerend Goed Beheer- en Beleggingsmaatschappij A. van Herk B.V. | 10.9% | ||||
| A. van Herk Holding B.V. | 10.9% | ||||
| Stichting Administratiekantoor Abchrys | 10.9% | ||||
| Adrianus van Herk | 10.9% | ||||
|
ProQR Therapeutics N.V.
13G/A
Amendment 3
PRQR · N71542109
|
10.9% |
2/14/2025
Event 12/31/2024
|
|||
| Van Herk Investments B.V. | 10.9% | ||||
| Van Herk Investments THI B.V. | 10.9% | ||||
| Van Herk Private Equity Investments B.V. | 10.9% | ||||
| Stichting Administratiekantoor Penulata | 10.9% | ||||
| Van Herk Management Services B.V. | 10.9% | ||||
| Onroerend Goed Beheer- en Beleggingsmaatschappij A. van Herk B.V. | 10.9% | ||||
| A. van Herk Holding B.V. | 10.9% | ||||
| Stichting Administratiekantoor Abchrys | 10.9% | ||||
| Adrianus van Herk | 10.9% | ||||
Includes filings since 12/18/2024, when the SEC began requiring structured 13D and 13G data.