Skip to main content

GROUP ONE TRADING LLC

Position in OMER — Omeros Corp

CIK 932540 CHICAGO, IL

Position in OMER

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$407,658
-$1,881,903 QoQ
Shares Held
38,604
-71.0% QoQ
Ownership
0.053%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2020
23 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in OMER Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $126,618,308 across 210 Biotechnology names. OMER ranks #44 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in OMER

Export CSV
23 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $407,658 38,604
2025-12-31 $2,289,561 133,269
2025-09-30 $403,017 98,297
2025-06-30 $356,967 118,989
2025-03-31 $243,040 29,567
2024-12-31 $961,491 97,317
2024-09-30 $84,338 21,244
2024-06-30 $306,006 75,371
2024-03-31 $383,840 111,258
2023-12-31 $754,889 230,853
2023-09-30 $647,361 221,699
2023-06-30 $179,530 33,002
2023-03-31 $352,665 75,842
2022-12-31 $42,094 18,626
2022-09-30 $39,910 12,670
2022-03-31 $575,902 95,824
2021-12-31 $1,765,967 274,645
2021-09-30 $2,669,950 193,615
2021-06-30 $2,416,545 162,840
2021-03-31 $3,083,778 173,246
2020-12-31 $2,929,721 205,019
2020-09-30 $2,374,242 234,841
2020-06-30 $246,250 16,729