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GROUP ONE TRADING LLC

Position in OPRX — OptimizeRx Corp

CIK 932540 CHICAGO, IL

Position in OPRX

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$8,063
-$90,642 QoQ
Shares Held
1,284
-84.1% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
9 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in OPRX Over Time

Shares Held

Position Value (USD)

Position in Health Information Services

Healthcare · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $1,828,542 across 12 Health Information Services names.

# Ticker Company Shares Value (USD) Open

All Filings in OPRX

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9 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $8,063 1,284
2025-12-31 $98,705 8,051
2025-09-30 $198,317 9,674
2025-06-30 $243,027 18,002
2024-09-30 $67,364 8,726
2024-06-30 $21,610 2,161
2024-03-31 $136,298 11,218
2022-03-31 $3,391,373 89,933
2020-03-31 $33,132 3,657