Follow The Filings

PRQR Proqr Therapeutics NV

Health Care, filed as PROQR THERAPEUTICS NV (SHS EURO), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab

  • 2 Owners
  • Max 0.5%
  • $3.2M
  • 1 reduce

In 2026 Q2 Nathan Fischel trimmed Proqr Therapeutics.

Who owns this now

Largest portfolio weights among holders, up to 0.5% (Nathan Fischel, Dafna Capital Management). Not free-float ownership.

  1. Nathan Fischel Reduce 0.54%
  2. Palo Alto Investors 0.05%

Who owns PRQR

Sorted by value, long equity only, as of 2026 Q2.

History
Nathan Fischel, Dafna Capital Management 0.54%, was 0.57% Reduce −2.4% 1,530,361 $2.8M History
Palo Alto Investors 0.05% Hold 188,807 $351K History

2 current, options excluded

Weight bar: held both quarters added sold at this quarter’s reported price

Insider trades

Open-market buys and sales by PRQR's executives, directors and 10% owners in the last 12 months, from their Form 4s

All PRQR insider trades
  • $1.3M bought by 2 insiders
  • None no sales outside a trading plan
  • None no planned (10b5-1) sales
  1. Daniel Anton De Boer CEO
    Buy
    $354K 200,000 shares at $1.77 +67% to stake
    Traded Jul 31 Filed Aug 3
    ↗
  2. Bart Filius Director
    Buy
    $258K 150,000 shares at $1.72 +100% to stake
    Traded Jul 17 Filed Jul 21
    ↗
  3. Daniel Anton De Boer CEO
    Buy
    $261K 150,000 shares at $1.74 +100% to stake
    Traded Jul 9 Filed Jul 13
    ↗
  4. Daniel Anton De Boer CEO
    Buy
    $239K 150,000 shares at $1.59 New stake
    Traded Jul 7 Filed Jul 8
    ↗
  5. Bart Filius Director
    Buy
    $231K 150,000 shares at $1.54 New stake
    Traded Jun 26 Filed Jun 30
    ↗

SEC filings

Recent issuer filings from EDGAR, 25 shown.

Filed Form Detail Links
6-K FORM 6-K Filing Doc
6-K FORM 6-K Filing Doc
6-K FORM 6-K Filing Doc
6-K Filing Doc
SCHEDULE 13G — Filing Doc
SCHEDULE 13D/A — Filing Doc
SCHEDULE 13G/A — Filing Doc
SCHEDULE 13G/A — Filing Doc
424B5 Filing Doc
SCHEDULE 13D/A — Filing Doc
424B5 Filing Doc
6-K FORM 6-K Filing Doc
6-K FORM 6-K Filing Doc
SCHEDULE 13D/A — Filing Doc
6-K FORM 6-K Filing Doc
6-K FORM 6-K Filing Doc
6-K Filing Doc
6-K FORM 6-K Filing Doc
6-K FORM 6-K Filing Doc
6-K FORM 6-K Filing Doc
6-K FORM 6-K Filing Doc
6-K FORM 6-K Filing Doc
6-K FORM 6-K Filing Doc
20-F Filing Doc
6-K FORM 6-K Filing Doc

Source: SEC EDGAR submissions, updated 10 days ago. All on EDGAR

Financials

US-GAAP annual figures, as tagged in Form 10-K

Newly public, no 10-K financials yet. See the 424B5.

Ownership over time

13Fs that reported it each quarter. Click a bar for that quarter’s holders.