13F Insight
DOSSIER · 13F Holders · Q1 2026Cheap mega-capRe-rated

PROQR THERAPEUTICS N.V.

71 institutions still hold PROQR THERAPEUTICS N.V. as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP n71542109·71 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 6.7%
vs prior quarter
13F value held
$55M
55.0% inst. owned
of float
Holders
71
-15 QoQ
filers reporting
Activity
+63 / −15
+804 added · −853 reduced
this quarter
Concentration
18.47%
ADAGE CAPITAL PARTNERS GP, L.L.C. #1
top holder share
AI Holders Summary · Q1 2026

71 institutions reported PROQR THERAPEUTICS N.V. in Q1 2026. ADAGE CAPITAL PARTNERS GP, L.L.C. leads at 18.5% of the visible book. -15 net institutions QoQ — distribution reading.

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
$10M6.3M0.02%Q1 202602
Privium Fund Management B.V.
CIK 0001795097
$9M5.5M1.84%Q1 202603
Aberdeen Group plc
CIK 0001716774
$5M3.3M0.01%Q1 202604
Affinity Asset Advisors, LLC
CIK 0001773195
$4M2.5M0.21%Q1 202605
Sio Capital Management, LLC
CIK 0001482416
$3M2.0M0.45%Q1 202606
DAFNA Capital Management LLC
CIK 0001389933
$3M1.6M0.58%Q1 202607
Kynam Capital Management, LP
CIK 0001907884
$3M1.6M0.16%Q1 202608
Ikarian Capital, LLC
CIK 0001778253
$2M1.5M0.20%Q1 202609
ArrowMark Colorado Holdings LLC
CIK 0001483859
$2M1.2M0.05%Q4 202510
MORGAN STANLEY
CIK 0000895421
$2M1.3M0.00%Q1 202611
PLATINUM INVESTMENT MANAGEMENT LTD
CIK 0001256071
$2M1.2M0.50%Q1 202612
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$1M919K0.00%Q1 202613
CITADEL ADVISORS LLC
CIK 0001423053
$1M617K0.00%Q4 202514
Point72 Asset Management, L.P.
CIK 0001603466
$1M756K0.00%Q1 202615
Delaware Management Holdings, Inc.
CIK 0000921739
$1M620K0.00%Q1 202616
Walleye Capital LLC
CIK 0001758720
$984,197608K0.00%Q1 202617
M28 Capital Management LP
CIK 0001807489
$971,665600K1.81%Q1 202618
TWO SIGMA ADVISERS, LP
CIK 0001478735
$913,848452K0.00%Q4 202519
RAYMOND JAMES FINANCIAL INC
CIK 0000720005
$884,648546K0.00%Q1 202620
Monaco Asset Management SAM
CIK 0001803593
$678,461419K0.13%Q1 2026
Page 1 of 4
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