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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 %
FFA
201
Farther Finance Advisors
California
$263 – – –
FLSM
202
Frazier Life Sciences Management
California
– -$15.7M -373,100 Closed
GPP
203
Great Point Partners
Connecticut
– -$9.98M -237,156 Closed
TLP
204
Tri Locum Partners
New York
– -$6.6M -156,915 Closed
NFGH
205
Nan Fung Group Holdings
Hong Kong
– -$5.05M -120,038 Closed
AG
206
Algert Global
California
– -$4.51M -107,101 Closed
SFM
207
Sphera Funds Management
Israel
– -$4.48M -106,532 Closed
FAM
208
Fred Alger Management
New York
– -$2.02M -47,956 Closed
GGHC
209
Gilder Gagnon Howe & Co
New York
– -$1.93M -45,942 Closed
BC
210
BIT Capital
Germany
– -$1.25M -29,612 Closed
WC
211
Wexford Capital
Florida
– -$1.09M -26,000 Closed
SMH
212
Sanders Morris Harris
Texas
– -$985K -24,870 Closed
SFI
213
Susquehanna Fundamental Investments
Pennsylvania
– -$764K -18,156 Closed
Squarepoint
214
Squarepoint
New York
– -$699K -16,616 Closed
FCM
215
Fieldview Capital Management
Michigan
– -$539K -12,797 Closed
NRD
216
Nebula Research & Development
New York
– -$311K -7,381 Closed
KAM
217
Kazazian Asset Management
Florida
– -$268K -6,368 Closed
NWAG
218
Net Worth Advisory Group
Utah
– -$213K -5,054 Closed
ETC
219
Exchange Traded Concepts
Oklahoma
– -$114K -2,698 Closed
CIAM
220
Caitong International Asset Management
Hong Kong
– -$75.5K -1,794 Closed
QCG
221
Quadrant Capital Group
Ohio
– -$52.7K -1,253 Closed
SW
222
SVB Wealth
Massachusetts
– -$9.39K -223 Closed
CCM
223
Coldstream Capital Management
Washington
– -$3.62K -86 Closed
Amundi
224
Amundi
France
– -$1.84K -44 Closed
LFG
225
Larson Financial Group
Missouri
– -$1.31K -31 Closed
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