With a market capitalization (market cap) of $1.3B — a measure of how much the company is worth — Omeros Corporation ranks #2,276 among the 2,440 companies tracked, and 323rd in Healthcare as of November 13, 2026. Shares trade at $17.99, down 0.88% on the day.
As of November 13, 2026 · Prices may be delayed
of 2,440 tracked
Market-cap change uses historical capitalization records. Share-price returns are a different series and can differ when the share count changes. Returns below show the total change over each period. Use the CAGR calculator to calculate an annualized return. CAGR calculator. Market cap vs. stock price.
Year-end values and the chart both come from historical market-cap records, not from applying today's share count to past prices. Latest historical observation November 6, 2026. The headline market cap is from the ranking update on November 13, 2026.
| Year | As of | Market cap | Annual change | Share-price close |
|---|---|---|---|---|
| 2026Latest available | Nov 6, 2026 | $1.22B | -1.22% | $16.92 |
| 2025 | Dec 31, 2025 | $1.24B | +115.40% | $17.18 |
| 2024 | Dec 31, 2024 | $573.6M | +180.93% | $9.88 |
| 2023 | Dec 29, 2023 | $204.18M | +43.95% | $3.27 |
Ranking figure $1.3B as of November 13, 2026.
Market cap = share price × shares outstanding.
Omeros Corporation's ranking market cap is the reported market cap from the latest ranking update, with a share price of $17.99 as of November 12, 2026. Charts and the year-end table use a separate historical market-cap series, last observed at $1.22B on November 6, 2026. See how the ranking works.
The ranking snapshot ($1.3B as of November 13, 2026) is FMP company-screener market cap. The historical observation ($1.22B on November 6, 2026) is FMP historical-market-capitalization for the same ticker. The live quote market cap agrees with the ranking snapshot. This page does not replace one series with the other.
Current shares outstanding are unavailable from the latest quote. Shares outstanding vs. float.
The latest annual report (FY 2025) used a weighted-average 63,510,201 shares. That figure is an average for the year, not the live count in the market-cap formula.
Multiplying the latest price by those FY 2025 weighted-average shares would give about $1.14B. The ranking uses the provider's reported market cap instead, which reflects a current share count rather than that annual average.
Book equity: assets minus liabilities on the latest annual report.
FY 2025
FY 2025
FY 2025
FY 2025
FY 2025
Undefined when revenue is zero
Undefined when revenue is zero
FY 2025
FY 2025
Undefined when revenue is zero
FY 2025
Undefined when revenue is zero
FY 2025
FY 2025
FY 2025
Quote as of . Prices may be delayed. Day figures refer to the quote's trading session.
Latest quote: $17.99.
Largest U.S.-listed companies in the same sector. These companies may serve different markets.
| Rank | Company | Market cap | 1D |
|---|---|---|---|
| #11 | Eli Lilly and Company LLY | $1.35T | -0.46% |
| #20 | Johnson & Johnson JNJ | $682.52B | +1.11% |
| #23 |
Omeros Corporation is a biopharmaceutical firm with commercialized products, actively engaged in the discovery, development, and market introduction of both small-molecule and protein-based therapies, including treatments for rare diseases. The company's therapeutic endeavors primarily focus on inflammatory conditions, illnesses mediated by the complement system, cancers linked to immune system dysregulation, and disorders characterized by addiction or compulsion. Its robust clinical pipeline features several promising candidates.
Summary from the company profile (Financial Modeling Prep). Principal financial figures above are for FY 2025.
Visit websiteAs of November 13, 2026, Omeros Corporation (OMER) is worth $1.3B — that is its market capitalization, the total value of its outstanding shares on MarketCapLens.
A company’s net worth is its shareholders’ equity: assets minus liabilities on the balance sheet. That is book equity, not market cap. For FY 2025, Omeros Corporation’s book equity is about −$121.23M. Market cap is the market value of the outstanding shares. As of November 13, 2026, its market cap is $1.3B. Book equity is an accounting remainder; market cap is a trading value. Neither is a person’s net worth.
Omeros Corporation ranks #2,276 among the 2,440 companies tracked on MarketCapLens. In Healthcare it ranks #323 of 357.
Financial figures are annual and labeled with their fiscal year (FY). Current-price P/E uses the latest available share price and annual earnings per share.
Over the past year, market cap and share price moved by different amounts. Share count can change independently of price. What changes market cap.
| 2022 | Dec 30, 2022 | $141.84M | -64.83% | $2.26 |
|---|
| 2021 | Dec 31, 2021 | $403.32M | — | $6.43 |
|---|
Last observation of each calendar year from historical market-cap records. The current year is through the latest date, not a completed year-end. Share-price close is the matching session for context — we do not rebuild cap from today's share count.
Undefined when revenue is zero
Return on equity data unavailable for FY 2025
FY 2025
Return on assets data unavailable for FY 2025
FY 2025
| $520.55B |
| -0.17% |
| #31 | UnitedHealth Group Incorporated UNH | $363.01B | +0.54% |
| #32 | Merck & Co., Inc. MRK | $362.27B | -0.16% |
| #39 | Novartis AG NVS | $302.65B | -0.04% |
Companies immediately above and below in the overall ranking. They may be in a different sector.
| Rank | Company | Market cap | 1D |
|---|---|---|---|
| #2273 | Kosmos Energy Ltd. KOS | $1.3B | +7.35% |
| #2274 | La-Z-Boy Incorporated LZB | $1.3B | -1.24% |
| #2275 | Navigator Holdings Ltd. NVGS | $1.3B | +1.66% |
| #2277 | The Greenbrier Companies, Inc. GBX | $1.3B | -1.39% |
| #2278 | UroGen Pharma Ltd. URGN | $1.29B | +1.11% |
| #2279 | Inhibrx Biosciences Inc. INBX | $1.29B | -3.14% |
Omeros Corporation’s ranking market cap of $1.3B comes from the same snapshot as the rest of this site, as of November 13, 2026. It is not share price multiplied by the FY 2025 weighted-average share count of 63,510,201. The ranking snapshot ($1.3B as of November 13, 2026) is FMP company-screener market cap. The historical observation ($1.22B on November 6, 2026) is FMP historical-market-capitalization for the same ticker. The live quote market cap agrees with the ranking snapshot. This page does not replace one series with the other.
Over the past year, Omeros Corporation’s market cap is up 192.05%, using historical market-cap records rather than today’s share count applied to past prices.
Omeros Corporation (OMER) shares trade at $17.99, down 0.88% on the day, as of November 13, 2026.
Live P/E is share price divided by annual earnings per share. Sales-based ratios such as price/sales and operating margin are also blank when revenue is zero — not a 0× multiple.