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Omeros

148 hedge funds and large institutions have $570M invested in Omeros in 2025 Q4 according to their latest regulatory filings, with 33 funds opening new positions, 60 increasing their positions, 34 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
148
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$77.2M
Puts
$64.5M
Net Calls
Net Calls Change

Top Buyers

1 +$13M
2 +$5.74M
3 +$5.44M
4
Nomura Holdings
Nomura Holdings
Japan
+$5.26M
5
BlackRock
BlackRock
New York
+$5.26M

Top Sellers

1 -$13.8M
2 -$12.3M
3 -$5.67M
4
Two Sigma Advisers
Two Sigma Advisers
New York
-$4.32M
5
Two Sigma Investments
Two Sigma Investments
New York
-$3.52M
Name Holding Trade Value Shares
Change
Change in
Stake
Rafferty Asset Management
101
Rafferty Asset Management
New York
$210K
VOYA Investment Management
102
VOYA Investment Management
Georgia
$196K
BRWA
103
B. Riley Wealth Advisors
Florida
$195K
SFS
104
Sowell Financial Services
Arkansas
$183K
EWM
105
Empirical Wealth Management
Washington
$180K
AHL
106
Abel Hall LLC
Louisiana
$176K
CIAM
107
Caitong International Asset Management
Hong Kong
$159K
Osaic Holdings
108
Osaic Holdings
Arizona
$130K
QT
109
Quantbot Technologies
New York
$124K
FFA
110
Farther Finance Advisors
California
$122K
Legal & General Group
111
Legal & General Group
United Kingdom
$120K
Vontobel Holding
112
Vontobel Holding
Switzerland
$93.6K
AIP
113
Ameritas Investment Partners
Nebraska
$86.3K
IAIM
114
International Assets Investment Management
Florida
$85.9K
California State Teachers Retirement System (CalSTRS)
115
California State Teachers Retirement System (CalSTRS)
California
$69.6K
PA
116
Parallel Advisors
California
$67.1K
Optiver Holding
117
Optiver Holding
Netherlands
$64.4K
Mirae Asset Global Investments
118
Mirae Asset Global Investments
South Korea
$59.2K
AB
119
Amalgamated Bank
New York
$36K
TRCT
120
Tower Research Capital (TRC)
New York
$32.9K
SIS
121
Strategic Investment Solutions
Illinois
$31.4K
TC
122
Truvestments Capital
Florida
$28.9K
SOW
123
State of Wyoming
Wyoming
$24.6K
GFM
124
GF Fund Management
China
$23.9K
Carson Wealth (CWM LLC)
125
Carson Wealth (CWM LLC)
Nebraska
$21K