OMEROS CORP (OMER) is held by 97 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling OMER?

In Q1 2026, 58 institutions opened or increased positions in OMEROS CORP while 37 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on OMER?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for OMEROS CORP.

How many hedge funds hold OMER?

97 institutional investors report holding OMEROS CORP (OMER) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into OMER?

As of Q1 2026, tracked institutions in OMEROS CORP show 58 buyers versus 37 sellers — net inflows.

OMEROS CORP

OMER·682143102·US·Common Stock·Healthcare - Biotechnology-13D/G

Holders

Avg rating(23 Elite)

$265.4M

Total Value

61% (102)

Fund Consensus

58 buying - 37 selling

Smart Money Verdict

View all

Held by 97 funds

23 elite

Who's Trading

ActivistI&INGALLS & SNYDER LLC4.8%Apr 23, 2026

Activist

The Vanguard Group0.0%Mar 27, 2026

InsiderBJBorges David J.Sell $369KJan 13, 2026

InsiderBJBorges David J.Sell $382KJan 12, 2026

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	5.3M(+4.9%)	$56.1M	0.0%	+0.59%	31
VAVANGUARD CAPITAL MANAGEMENT LLC	New	3M	$31.5M	0.0%	-11.68%	40
UBS Group AG	Increased	2.3M(+5.3%)	$24.7M	0.0%	-27.74%	30
STATE STREET CORP	Increased	1.9M(+22.0%)	$20.3M	0.0%	+36.54%	34
STIFEL FINANCIAL CORP	Increased	1.8M(+1.2%)	$19.3M	0.0%	+28.24%	29
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.8M(+7.4%)	$18.5M	0.0%	+19.15%	30
Corient Private Wealth LLC	Increased	801,411(+16.6%)	$8.5M	0.0%	+84.93%	32
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	718,675	$7.6M	0.0%	-11.68%	38
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	582,512(-1.8%)	$6.2M	0.0%	+25.22%	0
BANK OF MONTREAL /CAN/	Decreased	568,426(-5.5%)	$6M	0.0%	+1.61%	0
NORTHERN TRUST CORP	Increased	563,867(+7.0%)	$6M	0.0%	+27.57%	29
VFVANGUARD FIDUCIARY TRUST CO	New	492,345	$5.2M	0.0%	-11.68%	37
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Decreased	485,030(-34.6%)	$5.1M	0.0%	-34.41%	0
MILLENNIUM MANAGEMENT LLC	Decreased	410,609(-7.1%)	$4.3M	0.0%	+37.32%	0
MORGAN STANLEY	Decreased	317,892(-17.7%)	$3.4M	0.0%	+110.58%	0
TWO SIGMA INVESTMENTS, LP	Decreased	286,474(-45.4%)	$3M	0.0%	+185.73%	0
CITADEL ADVISORS LLC	Increased	260,048(+8.2%)	$2.7M	0.0%	+75.09%	28
BANK OF AMERICA CORP /DE/	Increased	204,805(+78.4%)	$2.2M	0.0%	+21.64%	40
GOLDMAN SACHS GROUP INC	Decreased	202,893(-10.7%)	$2.1M	0.0%	+47.60%	0
WELLINGTON MANAGEMENT GROUP LLP	Decreased	187,300(-7.6%)	$2M	0.0%	+38.13%	0