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GROUP ONE TRADING LLC

Position in MRKR — Marker Therapeutics, Inc.

CIK 932540 CHICAGO, IL

Position in MRKR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$261
+$30 QoQ
Shares Held
178
0.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#29
of 35 holders
Holding Since
Mar 2020
20 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MRKR Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $113,693,049 across 200 Biotechnology names. MRKR ranks #182 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MRKR

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $261 178
2026-03-31 $231 178
2025-12-31 $265 178
2025-09-30 $158 178
2025-06-30 $272 178
2025-03-31 $218 178
2024-12-31 $553 178
2024-09-30 $501 178
2024-06-30 $966 178
2024-03-31 $765 178
2023-12-31 $979 178
2023-09-30 $808 178
2023-06-30 $551 178
2023-03-31 $126 178
2022-12-31 $780 2,889
2022-09-30 $1,945 5,258
2022-06-30 $1,042 3,158
2022-03-31 $13,387 30,425
2021-12-31 $27,411 28,854
2020-03-31 $1,438 757