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GROUP ONE TRADING LLC

Position in OPRA — Opera Ltd

CIK 932540 CHICAGO, IL

Position in OPRA

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$466,558
-$282,137 QoQ
Shares Held
32,718
-38.1% QoQ
Ownership
0.037%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2020
13 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in OPRA Over Time

Shares Held

Position Value (USD)

Position in Internet Content & Information

Communication Services · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $42,071,527 across 42 Internet Content & Information names. OPRA ranks #14 (1.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in OPRA

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13 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $466,558 32,718
2025-12-31 $748,695 52,874
2025-09-30 $1,480,610 71,735
2025-06-30 $140,634 7,441
2024-09-30 $316,601 20,492
2024-06-30 $362,063 25,788
2024-03-31 $1,966,099 124,358
2023-12-31 $797,993 60,317
2023-09-30 $523,187 46,423
2023-03-31 $6,468 636
2021-03-31 $42,700 4,270
2020-12-31 $10,736 1,176
2020-09-30 $8,567 876