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GROUP ONE TRADING LLC

Position in COLB — Columbia Banking System, Inc.

CIK 932540 CHICAGO, IL

Position in COLB

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$10,929
-$73,061 QoQ
Shares Held
341
-88.9% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#467
of 550 holders
Holding Since
Dec 2023
5 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in COLB Over Time

Shares Held

Position Value (USD)

Position in Banks - Regional

Financial Services · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $21,701,748 across 28 Banks - Regional names. COLB ranks #18 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in COLB

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $10,929 341
2026-03-31 $83,990 3,062
2024-06-30 $13,067 657
2024-03-31 $115,674 5,978
2023-12-31 $9,017 338