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Omeros OMER · USD

Health Care · US listing · 🇺🇸 United States

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17.55

+3.72%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
BLACKROCK, INC.5.3m9.15%+247.2k31 Mar 2026
INGALLS & SNYDER LLC3.6m6.14%+110.7k31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC3m5.14%+3m31 Mar 2026
UBS GROUP AG2.3m4.04%+117.7k31 Mar 2026
STATE STREET CORP1.9m3.31%+346k31 Mar 2026
STIFEL FINANCIAL CORP1.8m3.16%+21.8k31 Mar 2026
GEODE CAPITAL MANAGEMENT, LLC1.8m3.02%+121k31 Mar 2026
CI PRIVATE WEALTH, LLC801.4k1.38%+113.4k31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC718.7k1.24%+718.7k31 Mar 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC582.5k1.00%−10.7k31 Mar 2026
BANK OF MONTREAL /CAN/568.4k0.98%−33.2k31 Mar 2026
NORTHERN TRUST CORP563.9k0.97%+37.1k31 Mar 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP515.1k0.89%−644.5k31 Mar 2026
VANGUARD FIDUCIARY TRUST CO492.3k0.85%+492.3k31 Mar 2026
MILLENNIUM MANAGEMENT LLC410.6k0.71%−31.2k31 Mar 2026

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

11.4m

+0.4% on the period before. 12.2 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

66.4%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 24 Sept 202649,710 shares
  • 21 Sept 202639,795 shares
  • 17 Sept 202621 shares
  • 15 Sept 202619 shares
  • 4 Sept 202662 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.