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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