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Merus
MRUS

Overview Fund Activity

200 hedge funds and large institutions have $3.93B invested in Merus in 2025 Q2 according to their latest regulatory filings, with 47 funds opening new positions, 75 increasing their positions, 64 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
200
Holders Change
+15
Holders Change %
+8.11%
% of All Funds
2.68%
Holding in Top 10
21
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+23.53%
% of All Funds
0.28%
New
47
Increased
75
Reduced
64
Closed
30
Calls
$41.5M
Puts
$31.7M
Net Calls
+$9.78M
Net Calls Change
-$3.16M

Top Buyers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$119M
2
Ameriprise
Ameriprise
Minnesota
$59.6M
3
PBA
Paradigm Biocapital Advisors
New York
$225M
4
Adage Capital Partners
Adage Capital Partners
Massachusetts
$43.8M
5
Westfield Capital Management
Westfield Capital Management
Massachusetts
$107M

Top Sellers

1
SC
Samlyn Capital
New York
$40.2M
2
Wellington Management Group
Wellington Management Group
Massachusetts
$196M
3
CC
Commodore Capital
New York
$185M
4
BlackRock
BlackRock
New York
$55.3M
5
Millennium Management
Millennium Management
New York
$831K
Name Holding Trade Value Shares
Change 		Shares
Change %
TE
101
Tema ETFs
New York
$2.69M +$2.69M +51,215 New
Group One Trading
102
Group One Trading
Illinois
$2.61M +$2.61M +49,580 New
Susquehanna International Group
103
Susquehanna International Group
Pennsylvania
$2.49M +$1.5M +28,484 +151%
Legal & General Group
104
Legal & General Group
United Kingdom
$2.48M +$180K +3,414 +8%
State of New Jersey Common Pension Fund D
105
State of New Jersey Common Pension Fund D
New Jersey
$2.38M +$205K +3,895 +9%
PIM
106
Platinum Investment Management
Australia
$2.36M -$1.05M -19,901 -31%
CCM
107
Cinctive Capital Management
New York
$2.28M +$1.63M +31,020 +251%
California State Teachers Retirement System (CalSTRS)
108
California State Teachers Retirement System (CalSTRS)
California
$2.16M – – –
AA
109
ALPS Advisors
Colorado
$2.11M -$573K -10,895 -21%
SCM
110
Soleus Capital Management
Connecticut
$2.1M -$18.2M -345,821 -90%
BGM
111
Burkehill Global Management
New York
$2.1M +$2.1M +40,000 New
Northern Trust
112
Northern Trust
Illinois
$2.01M -$1.54M -29,332 -43%
Jane Street
113
Jane Street
New York
$1.84M +$1.84M +34,926 New
SSA
114
Schonfeld Strategic Advisors
New York
$1.83M +$1.46M +27,697 +394%
Citigroup
115
Citigroup
New York
$1.82M +$1.53M +29,027 +530%
CM
116
Caption Management
Oklahoma
$1.78M +$1.78M +33,821 New
Bank of New York Mellon
117
Bank of New York Mellon
New York
$1.78M -$50.7K -964 -3%
Barclays
118
Barclays
United Kingdom
$1.77M +$195K +3,705 +12%
CWM
119
Connecticut Wealth Management
Connecticut
$1.75M +$338K +6,425 +24%
Russell Investments Group
120
Russell Investments Group
United Kingdom
$1.7M +$1.7M +32,269 New
Raymond James Financial
121
Raymond James Financial
Florida
$1.62M -$378K -7,188 -19%
TI
122
Trexquant Investment
Connecticut
$1.57M -$1.71M -32,525 -52%
WG
123
Winton Group
United Kingdom
$1.41M +$1.41M +26,723 New
Allianz Asset Management
124
Allianz Asset Management
Germany
$1.37M +$547K +10,400 +67%
SC
125
SummitTX Capital
Texas
$1.33M +$1.33M +25,198 New
3 4
5
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