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GAMMA Investing LLC

Position in COLB — Columbia Banking System, Inc.

CIK 2010235 FOSTER CITY, CA

Position in COLB

as of Jun 30, 2026 · filed Jul 7, 2026
Position Value
$326,813
+$65,076 QoQ
Shares Held
10,197
+6.9% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#344
of 550 holders
Holding Since
Dec 2023
11 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

GAMMA Investing LLC holds $43,860,617 across 270 Banks - Regional names. COLB ranks #27 (0.7% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in COLB

Export CSV
11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $326,813 10,197
2026-03-31 $261,737 9,542
2025-12-31 $233,857 8,367
2025-09-30 $172,844 6,715
2025-06-30 $107,360 4,592
2025-03-31 $132,955 5,331
2024-12-31 $107,040 3,963
2024-09-30 $95,040 3,640
2024-06-30 $46,741 2,350
2024-03-31 $18,634 963
2023-12-31 $47,757 1,790