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The company

Omeros Corporation

OMER · Nasdaq

Health CareBiotechnologyLeading

OMER stood above a rising 150-day average in 37 of the last 52 weekly readings, including each of the last 9 weeks. It is 18.1% above that average now. Biotechnology: 15% of its 561 stocks in an uptrend (−17 points in four weeks); Health Care: 25% (−11 points in four weeks).

SEC filings

Statistics

Rotation: Leading
Weeks in an uptrend: 9 in a row
Industry in uptrend: 15% -17 in 4 wk
Insider buys, 12 months: $0
Insider sales, 12 months: $6.1M
Officials’ trades on record: 0
Institutions holding: 167 (+14)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 37 of 52 weeks.

17 Apr – 16 Oct

Biotechnology: Few of its stocks are in an uptrend and the share has fallen sharply over four weeks. Health Care: A minority of its stocks are in an uptrend and the share has fallen sharply over four weeks.

Money in and out

1 Nov 2024 – 1 Oct 2026

Open-market buys above the line and sales below, in dollars.

Congress and officials

No member of Congress or official has disclosed a trade in it.

Insiders

Buy orders, 12 months0

Sale orders, 12 months13

Buyers · sellers0 · 4

Who	Did	Shares	Traded
David J. BorgesVP, Finance & CAO	sold	10,000at $20.95	23 Sep 2026filed 24 Sep 2026
David J. BorgesVP, Finance & CAO	sold	10,000at $20.95	22 Sep 2026filed 24 Sep 2026
Peter B. CancelmoVP, General Counsel	sold	25,000at $18.54	31 Aug 2026filed 1 Sep 2026
Peter B. CancelmoVP, General Counsel	sold	25,000at $18.65	28 Aug 2026filed 1 Sep 2026
Arnold C. HanishDirector	sold	5,000at $18.88	27 Aug 2026filed 28 Aug 2026
Arnold C. HanishDirector	sold	5,000at $19.02	27 Aug 2026filed 28 Aug 2026
Arnold C. HanishDirector	sold	5,000at $18.53	26 Aug 2026filed 28 Aug 2026
David J. BorgesVP, Finance & CAO	sold	906at $19.10	24 Aug 2026filed 25 Aug 2026
David J. BorgesVP, Finance & CAO	sold	10,000at $18.95	21 Aug 2026filed 25 Aug 2026
Thomas J. CableDirector	sold	15,000at $18.45	20 Aug 2026filed 21 Aug 2026
David J. BorgesVP, Finance & CAO	sold	5,000at $16.95	13 Aug 2026filed 17 Aug 2026
Thomas J. CableDirector	sold	7,500at $11.61	22 May 2026filed 27 May 2026

Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.

Institutions

Holders167+14 on the quarter

New · exited40 · 25

Reported value$311.1M

Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.

Manager	Shares	Change
BlackRock, Inc.added · filed 7 Aug 2026	6,044,633$57.5M	+735,007+13.8%
UBS Group AGadded · filed 13 Aug 2026	3,148,384$29.9M	+807,653+34.5%
VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026	3,072,050$29.2M	+88,791+3.0%
STATE STREET CORPadded · filed 7 Aug 2026	2,319,906$22.1M	+400,331+20.9%
GEODE CAPITAL MANAGEMENT, LLCadded · filed 12 Aug 2026	1,914,460$18.2M	+162,137+9.3%
STIFEL FINANCIAL CORPadded · filed 12 Aug 2026	1,836,925$17.5M	+5,340+0.3%
VANGUARD PORTFOLIO MANAGEMENT LLCadded · filed 13 Aug 2026	962,828$9.2M	+244,153+34.0%
Invesco Ltd.added · filed 14 Aug 2026	751,771$7.1M	+571,142+316.2%
NORTHERN TRUST CORPadded · filed 13 Aug 2026	727,348$6.9M	+163,481+29.0%
Rock Springs Capital Management LPnew · filed 14 Aug 2026	718,499$6.8M	+718,499