Columbia Banking System, Inc. Common Stock (COLB)

Typically moves ±3.77% on earnings
EARNINGS ANALYTICS
event_upcoming Next Earnings: 2026-10-27 HIGH CONFIDENCE
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Columbia Banking System, Inc. Common Stock (COLB) has reported earnings 21 times since Jul 29, 2021. The stock moves an average of ±3.77% the day after reporting, closing higher 47.6% of the time. Its largest post-earnings gain was +11.44% (Jul 25, 2024) and its largest decline was -21.05% (Jan 24, 2024). The next earnings report is predicted for 2026-10-27 (high confidence).

Earnings reactions

How COLB moved on each past earnings report.

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Earnings Impact

Total Earnings

21

Avg Abs. Movement

±3.77%

Positive %

47.6%

Negative %

52.4%

Historical Earnings Statistics

Date Timing Earnings move SEC Filing
Jul 23, 2026 ☽ POST -3.2% open_in_new
Apr 23, 2026 ☽ POST -1.52% open_in_new
Jan 22, 2026 ☽ POST -2.6% open_in_new
Oct 30, 2025 ☽ POST +3.12% open_in_new
event

Earnings Count

21

Total earnings in dataset

trending_up

Avg Abs. Movement

±3.77%

Avg % price change on earnings

description

SEC Filings

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Browse all SEC filings

account_balance

Institutional ownership

Holdings as of Jun 30, 2026 · SEC 13-F

View all 4 →
4
Funds holding
$153250656
Total value held
Buying
3 added · 1 reduced
Bank Of New York Mellon Corp
$120867350 -49.12%
Ameriprise Financial Inc
$26564436 NEW BUY
Hennessy Advisors Inc
$3076800 NEW BUY
General American Investors Co Inc
$2742070 NEW BUY

SEC Filing Types

Recent SEC Filings

10 most recent
Form Date Filed View on EDGAR
4 20260908 open_in_new SEC.gov
4 20260904 open_in_new SEC.gov
3 20260902 open_in_new SEC.gov
4 20260818 open_in_new SEC.gov
8-K 20260814 open_in_new SEC.gov
SCHEDULE 13G/A 20260813 open_in_new SEC.gov
10-Q 20260804 open_in_new SEC.gov
8-K 20260730 open_in_new SEC.gov
8-K 20260723 open_in_new SEC.gov
4 20260702 open_in_new SEC.gov

Frequently asked about COLB earnings

When does Columbia Banking System, Inc. Common Stock report earnings next? expand_more

Columbia Banking System, Inc. Common Stock (COLB)'s next earnings date is predicted (high confidence) for 2026-10-27. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.

How much does COLB stock move after earnings? expand_more

Over 21 reports, COLB has moved an average of ±3.77% the session after earnings, closing higher 47.6% of the time.

What was COLB's biggest post-earnings move? expand_more

COLB's largest post-earnings gain on record was +11.44% on Jul 25, 2024, and its largest decline was -21.05% on Jan 24, 2024.

Where can I find Columbia Banking System, Inc. Common Stock's SEC filings? expand_more

All of Columbia Banking System, Inc. Common Stock's SEC filings — 10-K, 10-Q, 8-K and more — are listed in the SEC filings section on this page, each linking to the original document on SEC.gov.

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