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ProQR Therapeutics
PRQR

Overview Fund Activity

62 hedge funds and large institutions have $82.4M invested in ProQR Therapeutics in 2025 Q2 according to their latest regulatory filings, with 4 funds opening new positions, 16 increasing their positions, 21 reducing their positions, and 6 closing their positions.

Holders
62
Holders Change
-2
Holders Change %
-3.13%
% of All Funds
0.83%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
4
Increased
16
Reduced
21
Closed
6
Calls
$97K
Puts
$20K
Net Calls
+$77K
Net Calls Change
+$44K

Top Buyers

1
Morgan Stanley
1
Morgan Stanley
New York
$6.29M
2
IC
2
Ikarian Capital
Texas
$1.77M
3
AAA
3
Affinity Asset Advisors
New York
$7.14M
4
WP
4
Woodline Partners
California
$3.07M
5
Royal Bank of Canada
5
Royal Bank of Canada
Ontario, Canada
$229K

Top Sellers

1
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$13.5M
2
Millennium Management
2
Millennium Management
New York
$2.67M
3
UBS Group
3
UBS Group
Switzerland
$2.33M
4
Citadel Advisors
4
Citadel Advisors
Florida
$774K
5
KCM
5
Kynam Capital Management
New Jersey
$3.36M
Name Market Value Shares Shares
Change 		Shares
Change %
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$13.5M 6,601,938 -1,500,160 -19%
PFM
2
Privium Fund Management
Netherlands
$10M 4,997,562 +11,929 +0.2%
AAA
3
Affinity Asset Advisors
New York
$7.14M 3,499,512 +215,000 +7%
Morgan Stanley
4
Morgan Stanley
New York
$6.29M 3,083,490 +1,699,997 +123%
SCM
5
Sio Capital Management
New York
$4.23M 2,075,139 +20,546 +1%
Aberdeen Group
6
Aberdeen Group
United Kingdom
$3.77M 1,850,348 – –
KCM
7
Kynam Capital Management
New Jersey
$3.36M 1,649,462 -100,538 -6%
DCM
8
DAFNA Capital Management
California
$3.2M 1,567,561 – –
SL
9
Siren LLC
Connecticut
$3.17M 1,552,183 – –
WP
10
Woodline Partners
California
$3.07M 1,504,000 +178,345 +13%
PIM
11
Platinum Investment Management
Australia
$2.96M 1,450,969 -87,278 -6%
Millennium Management
12
Millennium Management
New York
$2.67M 1,307,533 -763,115 -37%
ACH
13
ArrowMark Colorado Holdings
Colorado
$2.45M 1,199,638 -45,400 -4%
UBS Group
14
UBS Group
Switzerland
$2.33M 1,143,835 -643,214 -36%
MCM
15
M28 Capital Management
Connecticut
$2.08M 1,019,498 – –
IC
16
Ikarian Capital
Texas
$1.77M 868,069 +868,069 New
Point72 Asset Management
17
Point72 Asset Management
Connecticut
$1.53M 750,000 – –
Macquarie Group
18
Macquarie Group
Australia
$1.27M 620,000 – –
Walleye Capital
19
Walleye Capital
New York
$1.09M 531,977 +28,413 +6%
MAM
20
Monaco Asset Management
Monaco
$938K 460,000 -11,908 -3%
Northern Trust
21
Northern Trust
Illinois
$805K 394,779 +3,238 +0.8%
Citadel Advisors
22
Citadel Advisors
Florida
$774K 379,263 -439,595 -54%
BFM
23
Boothbay Fund Management
New York
$457K 224,130 – –
Two Sigma Investments
24
Two Sigma Investments
New York
$457K 224,040 -77,872 -26%
DP
25
Diadema Partners
New Jersey
$322K 157,694 -50,000 -24%
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