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Walleye Trading LLC

Position in OMER — Omeros Corp

CIK 1388391 NEW YORK, NY

Position in OMER

as of Mar 31, 2026 · filed May 11, 2026
Position Value
$67,900
-$1,128,738 QoQ
Shares Held
6,430
-90.8% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
10 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)

Derivatives in OMER

reported options exposure · as of Mar 31, 2026
CallValue
$228,096
CallShares
21,600
PutValue
$233,376
PutShares
22,100

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Mar 31, 2026

Walleye Trading LLC holds $17,472,598 across 36 Biotechnology names. OMER ranks #25 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in OMER

Export CSV
25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $233,376 22,100
2026-03-31 $228,096 21,600
2026-03-31 $67,900 6,430
2025-12-31 $608,172 35,400
2025-12-31 $742,176 43,200
2025-12-31 $1,196,638 69,653
2025-09-30 $56,059 13,673
2025-03-31 $82,200 10,000
2025-03-31 $36,168 4,400
2023-09-30 $50,416 17,266
2022-03-31 $8,414 1,400
2022-03-31 $24,040 4,000
2022-03-31 $102,374 17,034
2021-12-31 $149,979 23,325
2021-12-31 $65,586 10,200
2021-12-31 $181,969 28,300
2021-09-30 $78,603 5,700
2021-09-30 $204,092 14,800
2021-09-30 $312,095 22,632
2021-06-30 $18,876 1,272
2021-06-30 $218,148 14,700
2021-06-30 $69,748 4,700
2020-03-31 $58,828 4,400
2020-03-31 $166,911 12,484
2020-03-31 $152,418 11,400