258 hedge funds and large institutions have $6.5B invested in Merus in 2025 Q3 according to their latest regulatory filings, with 102 funds opening new positions, 64 increasing their positions, 72 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

29% more funds holding

Funds holding: 200258 (+58)

11% less repeat investments, than reductions

Existing positions increased: 64 | Existing positions reduced: 72

16.74% less ownership

Funds ownership: 108.08%91.34% (-17%)

Holders
258
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
32
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$169M
Puts
$82.2M
Net Calls
Net Calls Change

Top Buyers

1 +$268M
2 +$152M
3 +$106M
4
Goldman Sachs
Goldman Sachs
New York
+$103M
5
KC
Kryger Capital
United Kingdom
+$99.2M

Top Sellers

1 -$441M
2 -$308M
3 -$194M
4
RI
RTW Investments
New York
-$186M
5
Franklin Resources
Franklin Resources
California
-$126M
Name Holding Trade Value Shares
Change
Change in
Stake
SC
101
Slotnik Capital
Texas
$8.47M
Jane Street
102
Jane Street
New York
$8.42M
Morgan Stanley
103
Morgan Stanley
New York
$8.3M
DAM
104
Decagon Asset Management
United Kingdom
$7.88M
AC
105
Athos Capital
Hong Kong
$7.53M
MAP
106
Moody Aldrich Partners
Massachusetts
$7.2M
Russell Investments Group
107
Russell Investments Group
United Kingdom
$7.19M
First Trust Advisors
108
First Trust Advisors
Illinois
$6.87M
VI
109
Vestcor Inc
New Brunswick, Canada
$6.59M
Geode Capital Management
110
Geode Capital Management
Massachusetts
$6.39M
GIM
111
Granahan Investment Management
Massachusetts
$6.23M
TD Asset Management
112
TD Asset Management
Ontario, Canada
$5.89M
NIP
113
Nicholas Investment Partners
California
$5.8M
Bank of Montreal
114
Bank of Montreal
Ontario, Canada
$5.67M
GLF
115
Groupe la Francaise
France
$5.65M
HCM
116
Highbridge Capital Management
New York
$5.52M
CCM
117
Cinctive Capital Management
New York
$5.47M
DekaBank Deutsche Girozentrale
118
DekaBank Deutsche Girozentrale
Germany
$5.13M
RPAM
119
Rhenman & Partners Asset Management
Sweden
$5.04M
AIM
120
AXA Investment Managers
France
$4.95M
ECM
121
ExodusPoint Capital Management
New York
$4.79M
BFM
122
Boothbay Fund Management
New York
$4.76M
Legal & General Group
123
Legal & General Group
United Kingdom
$4.75M
PAMP
124
Polar Asset Management Partners
Ontario, Canada
$4.71M
Manulife (Manufacturers Life Insurance)
125
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$4.56M