OMER
Omeros CorpCompany with tickers: OMER
Market Cap
$775.86M
Shares Outstanding
72,375,355
CIK
1285819
CUSIP
682143102
13F Activity (30d)
3 filings
2 filers
Website
Visit website
Investor Relations
Investor relations
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-04 | 602,944 | 973,213 | 1,576,157 | 44.6% |
| 2026-04-27 | 1,385,658 | 1,473,594 | 2,859,252 | 49.3% |
| 2026-04-20 | 1,095,495 | 1,080,450 | 2,175,945 | 41.7% |
| 2026-04-13 | 881,022 | 1,528,253 | 2,409,275 | 45.1% |
| 2026-04-06 | 945,049 | 1,532,268 | 2,477,317 | 43.6% |
| 2026-03-30 | 1,551,113 | 2,537,606 | 4,088,719 | 52.3% |
| 2026-03-23 | 687,255 | 1,122,358 | 1,809,613 | 43.0% |
| 2026-03-16 | 533,243 | 904,068 | 1,437,311 | 37.1% |
| 2026-03-09 | 745,765 | 855,298 | 1,601,063 | 41.5% |
| 2026-03-02 | 728,975 | 850,695 | 1,579,670 | 39.6% |
| 2026-02-23 | 864,194 | 1,257,033 | 2,121,227 | 44.8% |
| 2026-02-16 | 650,199 | 858,208 | 1,508,407 | 42.7% |
| 2026-02-09 | 647,241 | 709,640 | 1,356,881 | 39.4% |
| 2026-02-02 | 1,130,569 | 1,966,271 | 3,096,840 | 45.8% |
| 2026-01-26 | 1,019,123 | 1,947,261 | 2,966,384 | 44.5% |
| 2026-01-19 | 1,368,799 | 2,109,403 | 3,478,202 | 44.9% |
| 2026-01-12 | 2,339,139 | 3,727,354 | 6,066,493 | 45.9% |
| 2026-01-05 | 3,704,916 | 7,405,543 | 11,110,459 | 50.1% |
| 2025-12-29 | 2,245,737 | 4,579,293 | 6,825,030 | 44.1% |
| 2025-12-22 | 4,886,225 | 13,826,103 | 18,712,328 | 50.8% |
| 2025-12-15 | 1,410,211 | 2,069,583 | 3,479,794 | 37.8% |
| 2025-12-08 | 907,600 | 1,748,156 | 2,655,756 | 42.2% |
| 2025-12-01 | 863,556 | 2,601,824 | 3,465,380 | 43.0% |
| 2025-11-24 | 694,531 | 1,932,332 | 2,626,863 | 48.2% |
| 2025-11-17 | 1,315,338 | 2,993,811 | 4,309,149 | 42.6% |
| 2025-11-10 | 1,391,864 | 3,694,238 | 5,086,102 | 49.2% |
| 2025-11-03 | 959,050 | 2,077,863 | 3,036,913 | 43.5% |
| 2025-10-27 | 767,504 | 2,182,794 | 2,950,298 | 43.5% |
| 2025-10-20 | 1,016,244 | 3,671,509 | 4,687,753 | 49.0% |
| 2025-10-13 | 9,099,821 | 71,762,032 | 80,861,853 | 55.5% |
| 2025-10-06 | 817,465 | 1,805,956 | 2,623,421 | 52.7% |
| 2025-09-29 | 673,188 | 1,181,710 | 1,854,898 | 41.9% |
| 2025-09-22 | 831,986 | 1,354,044 | 2,186,030 | 41.5% |
| 2025-09-15 | 739,886 | 1,193,050 | 1,932,936 | 37.7% |
| 2025-09-08 | 691,470 | 806,717 | 1,498,187 | 45.1% |
| 2025-09-01 | 459,073 | 719,725 | 1,178,798 | 42.9% |
| 2025-08-25 | 466,668 | 785,678 | 1,252,346 | 40.0% |
| 2025-08-18 | 1,047,889 | 1,826,887 | 2,874,776 | 41.3% |
| 2025-08-11 | 1,156,481 | 1,309,971 | 2,466,452 | 40.9% |
| 2025-08-04 | 1,085,488 | 1,021,528 | 2,107,016 | 40.7% |
| 2025-07-28 | 2,023,348 | 3,426,770 | 5,450,118 | 48.2% |
| 2025-07-21 | 1,621,781 | 2,579,035 | 4,200,816 | 48.0% |
| 2025-07-14 | 697,893 | 1,049,473 | 1,747,366 | 39.3% |
| 2025-07-07 | 542,916 | 1,244,977 | 1,787,893 | 41.0% |
| 2025-06-30 | 784,039 | 1,213,269 | 1,997,308 | 44.4% |
Showing 1–45 of 45 weeks