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Van Herk Investments B.V.

I. Basics

Van Herk Investments B.V., under the control of Adrianus van Herk and managed via Van Herk Management Services, is a Dutch multi-sector investor known for significant minority stakes and increasing activism. With ~11 million ProQR shares (10.9%) prompting formal governance letters in May 2025, and past engagement with Galapagos and Zealand Pharma, it exemplifies an entrepreneurial, long-horizon, governance-focused strategy executed through a structured entity network in the Netherlands.

II. Letters & Presentations

Letters

Proqr Therapeutics N.V. - 28-May-2025

III. Significant companies
Below is a list of company engagements where the filer has filed a Schedule 13D and/or engaged in a proxy campaign. As the filer does not file a Form 13F, current ownership information is not available.
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