Omeros Corporation short interest in 2026

In 2026, Omeros Corporation's disclosed short interest ran from 23.17% of shares outstanding on 15 Jan 2026 to 17.26% on 15 Sep 2026, a change of -5.91 percentage points. The year's high was 25.33% on 13 Feb 2026 and its low 17.26% on 15 Sep 2026, averaging 22.34% across 17 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 22.18 days on 13 Mar 2026. Full history: Omeros Corporation.

Cite this page

Plain

Short position data for Omeros Corporation short interest in 2026: FINRA, compiled by howshorted.com, settlement date 15 Sep 2026. https://howshorted.com/us/company/omer/2026/

Wikipedia

<ref>{{cite web |title=Omeros Corporation short interest in 2026 short position data |url=https://howshorted.com/us/company/omer/2026/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2026-09-15 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-omeros-corporation-short-interest-in-202-2026-09-15,
  title        = {Omeros Corporation short interest in 2026 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/omer/2026/}},
  note         = {Data: FINRA, settlement date 15 Sep 2026; accessed 2026-10-13},
  year         = {2026}
}

By year: 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026

2026 in figures

Start of year: 23.17% (15 Jan 2026)
End of year: 17.26% (15 Sep 2026)
Change: -5.91 pp
High: 25.33% (13 Feb 2026)
Low: 17.26% (15 Sep 2026)
Average: 22.34%
Highest days to cover: 22.18 (13 Mar 2026)
SEC filings marked: 7

Every report in 2026

Omeros Corporation short interest in 2026
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2026	23.17%	4.67	results (8-K)
30 Jan 2026	24.91%	10.44
13 Feb 2026	25.33%	17.68
27 Feb 2026	24.39%	21.18
13 Mar 2026	24.42%	22.18
31 Mar 2026	23.71%	18.78	10-K filed, results (8-K)
15 Apr 2026	23.47%	11.43
30 Apr 2026	21.93%	13.09
15 May 2026	22.14%	10.84	10-Q filed, results (8-K)
29 May 2026	22.60%	9.05
15 Jun 2026	25.15%	8.44
30 Jun 2026	21.02%	5.61
15 Jul 2026	20.96%	11.85
31 Jul 2026	21.42%	9.87
14 Aug 2026	20.22%	4.91	10-Q filed, results (8-K)
31 Aug 2026	17.62%	7.30
15 Sep 2026	17.26%	9.31

About this data

US short interest data: FINRA (finra.org), shown as reported shares short divided by SEC-reported shares outstanding for each settlement date. FINRA® is a registered trademark of the Financial Industry Regulatory Authority, Inc. This site is not affiliated with or endorsed by FINRA or the SEC; displayed for personal reference, bulk redistribution is not permitted (see terms). Nothing here is investment advice. Method: methodology.