13F Insight
DOSSIER · 13F Holders · Q2 2026

PROQR THRAPEUTICS N V

71 institutions still hold PROQR THRAPEUTICS N V as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP N71542109·71 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$97M
visible holders
Holders
71
filers reporting
Concentration
17.28%
ADAGE CAPITAL PARTNERS GP, L.L.C. #1
top holder share
AI Holders Summary · Q2 2026

71 institutions reported PROQR THRAPEUTICS N V in Q2 2026. ADAGE CAPITAL PARTNERS GP, L.L.C. leads at 17.3% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$17M9.0M0.02%Q2 202602
Aberdeen Group plc
CIK 0001716774
$17M8.9M0.02%Q2 202603
Affinity Asset Advisors, LLC
CIK 0001773195
$10M5.5M0.47%Q2 202604
Privium Fund Management B.V.
CIK 0001795097
$10M5.5M1.89%Q2 202605
Woodline Partners LP
CIK 0001784547
$6M3.3M0.02%Q2 202606
HEIGHTS CAPITAL MANAGEMENT, INC
CIK 0001081698
$5M2.8M1.19%Q2 202607
MORGAN STANLEY
CIK 0000895421
$3M1.8M0.00%Q2 202608
SPHERA FUNDS MANAGEMENT LTD.
CIK 0001496201
$3M1.8M0.43%Q2 202609
Kynam Capital Management, LP
CIK 0001907884
$3M1.6M0.16%Q2 202610
DAFNA Capital Management LLC
CIK 0001389933
$3M1.5M0.54%Q2 202611
Squadron Capital Management LLC
CIK 0002050709
$3M1.5M0.87%Q2 202612
Ikarian Capital, LLC
CIK 0001778253
$2M1.5M0.20%Q1 202613
CITADEL ADVISORS LLC
CIK 0001423053
$2M1.2M0.00%Q2 202614
PLATINUM INVESTMENT MANAGEMENT LTD
CIK 0001256071
$2M1.2M0.53%Q2 202615
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$2M1.1M0.00%Q2 202616
Eversept Partners, LP
CIK 0001697013
$2M1.0M0.10%Q2 202617
BOOTHBAY FUND MANAGEMENT, LLC
CIK 0001549230
$2M949K0.02%Q2 202618
DIADEMA PARTNERS LP
CIK 0002026172
$2M926K0.22%Q2 202619
Point72 Asset Management, L.P.
CIK 0001603466
$1M756K0.00%Q1 202620
UBS Group AG
CIK 0001610520
$1M639K0.00%Q2 2026
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