Columbia Banking System, Inc. COLB

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30.48 USD +0.05 (+0.18%)

At closeNov 6, 2026, 4:00 PM EST

30.48 0.00 0.00%

After hours · Nov 6, 4:00 PM ET

30.14 Day range 30.59

25.75 52-week range 33.61

Held by insiders 0.77%

Held by institutions 99.53%

Float held by institutions 100.30%

Institutions 710

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	9.71%	27,470,920	837.31M	Jun 29, 2026
T. Rowe Price Investment Management, Inc.	5.53%	15,633,948	476.52M	Jun 29, 2026
Dimensional Fund Advisors LP	5.00%	14,143,142	431.08M	Sep 29, 2026
Vanguard Portfolio Management LLC	4.83%	13,678,183	416.91M	Jun 29, 2026
Vanguard Capital Management LLC	4.62%	13,072,525	398.45M	Jun 29, 2026
State Street Corporation	4.49%	12,694,096	386.92M	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
iShares Trust-iShares Core S&P Mid-Cap ETF	3.56%	10,077,045	307.15M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	3.25%	9,203,428	280.52M	Jun 29, 2026
SCHWAB STRATEGIC TRUST-Schwab US Dividend Equity ETF	2.80%	7,910,054	241.10M	Aug 30, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund	2.35%	6,647,727	202.62M	Jun 29, 2026
T. Rowe Price Small-Cap Value Fund, Inc.	2.03%	5,752,422	175.33M	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Value Index Fund	1.49%	4,212,956	128.41M	Jun 29, 2026

COLB insiders
Insider	Relation	Latest transaction	Date	Shares held
BARUFFI KUMI YAMAMOTO	General Counsel	Sale	Mar 12, 2026	53,715
GARDNER STEVEN R	Director	Stock Award(Grant)	Sep 3, 2026	572,947
MERRYWELL CHRISTOPHER	Officer	Conversion of Exercise of derivative security	Mar 12, 2026	44,067
MITCHELL M CHRISTIAN	Director	Stock Award(Grant)	May 13, 2026	41,909
NIXON TORRAN B	Officer	Conversion of Exercise of derivative security	Mar 12, 2026	106,800
OGNALL ANDREW H.	Officer	Conversion of Exercise of derivative security	Mar 12, 2026	76,767

Held by funds