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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
+$61.3M
2
Ameriprise
Ameriprise
Minnesota
+$54.3M
3
PBA
Paradigm Biocapital Advisors
New York
+$48M
4
Adage Capital Partners
Adage Capital Partners
Massachusetts
+$43.8M
5
Westfield Capital Management
Westfield Capital Management
Massachusetts
+$28.5M

Top Sellers

1
SC
Samlyn Capital
New York
-$84.9M
2
Wellington Management Group
Wellington Management Group
Massachusetts
-$52.2M
3
CC
Commodore Capital
New York
-$49.9M
4
BlackRock
BlackRock
New York
-$33.7M
5
Millennium Management
Millennium Management
New York
-$30M
Name Holding Trade Value Shares
Change 		Shares
Change %
Vanguard Group
51
Vanguard Group
Pennsylvania
$14M +$293K +5,571 +2%
TCM
52
TimesSquare Capital Management
New York
$12.8M -$5.31M -101,007 -29%
State Street
53
State Street
Massachusetts
$12.7M +$440K +8,366 +4%
VOYA Investment Management
54
VOYA Investment Management
Georgia
$12.3M +$8.16M +155,191 +198%
Lord, Abbett & Co
55
Lord, Abbett & Co
New Jersey
$11.9M +$11.9M +226,001 New
UBS AM
56
UBS AM
Illinois
$11.8M +$5.89M +111,953 +99%
SVCM
57
Saturn V Capital Management
Texas
$11.8M -$5.2M -98,951 -31%
CG
58
Carmignac Gestion
France
$11.3M +$4.93M +93,561 +77%
Two Sigma Advisers
59
Two Sigma Advisers
New York
$10.2M -$18.9M -359,600 -65%
DC
60
Decheng Capital
California
$9.95M – – –
PHS
61
PFM Health Sciences
California
$9.67M +$9.67M +183,882 New
Impax Asset Management Group
62
Impax Asset Management Group
United Kingdom
$9.47M – – –
Point72 Asset Management
63
Point72 Asset Management
Connecticut
$8.98M +$8.98M +170,777 New
PHP
64
Parkman Healthcare Partners
Connecticut
$8.57M +$7.09M +134,750 +477%
NFT
65
Nan Fung Trinity
Hong Kong
$7.91M +$7.91M +150,338 New
Bank of America
66
Bank of America
North Carolina
$7.89M +$5.57M +105,877 +240%
State of Wisconsin Investment Board
67
State of Wisconsin Investment Board
Wisconsin
$7.87M -$461K -8,765 -6%
D.E. Shaw & Co
68
D.E. Shaw & Co
New York
$7.78M +$5.1M +96,885 +190%
ABG
69
Ally Bridge Group
New York
$7.37M +$3.28M +62,312 +80%
BNP Paribas Financial Markets
70
BNP Paribas Financial Markets
France
$6.97M +$6.89M +130,987 +8,243%
EP
71
Eversept Partners
New York
$6.89M +$3.19M +60,595 +86%
Royal Bank of Canada
72
Royal Bank of Canada
Ontario, Canada
$6.64M +$6.64M +126,252 New
Aberdeen Group
73
Aberdeen Group
United Kingdom
$6.62M -$2.44M -46,295 -27%
Alyeska Investment Group
74
Alyeska Investment Group
Illinois
$6.58M +$2.99M +56,818 +83%
Two Sigma Investments
75
Two Sigma Investments
New York
$6.26M -$10.9M -206,767 -63%
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