COLUMBIA BANKING SYSTEM, INC. (COLB) Institutional Ownership & Insider Transactions

Ownership — COLB

US Institutional Ownership93.1%

Shares	Value	Ownership %	Change	Filing Date
27.07M	$742.0M	9.35%	+346.5K	2026-03-31
15.92M	$436.0M	5.50%	+11.52M	2026-03-31
14.94M	$409.0M	5.16%	-3.16M	2026-03-31
14.34M	$393.0M	4.95%	--	2026-03-31
13.55M	$371.0M	4.68%	+408.1K	2026-03-31
13.22M	$362.0M	4.57%	--	2026-03-31
12.48M	$342.0M	4.31%	-330.8K	2026-03-31
10.44M	$286.0M	3.61%	-2.12M	2026-03-31
9.74M	$267.0M	3.36%	+295.4K	2026-03-31
8.97M	$246.0M	3.10%	+306.7K	2026-03-31
7.41M	$203.0M	2.56%	-10.4K	2026-03-31
6.19M	$169.0M	2.14%	+267.8K	2026-03-31
6.02M	$166.0M	2.08%	-391.0K	2026-03-31
5.86M	$160.0M	2.03%	+166.9K	2026-03-31
5.72M	$156.0M	1.98%	--	2026-03-31
4.90M	$134.0M	1.69%	-984.7K	2026-03-31
4.15M	$113.0M	1.43%	-159.6K	2026-03-31
4.10M	$112.0M	1.42%	-73.3K	2026-03-31
3.90M	$107.0M	1.35%	--	2026-03-31
3.53M	$96.0M	1.22%	-738.4K	2026-03-31
3.23M	$88.0M	1.11%	-105.7K	2026-03-31
3.20M	$87.0M	1.10%	+480.1K	2026-03-31
2.62M	$71.0M	0.90%	+72.1K	2026-03-31
2.53M	$69.0M	0.87%	-42.0K	2026-03-31
2.32M	$63.0M	0.80%	-193.0K	2026-03-31

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