Ticker · CUSIP 197236102

COLB

COLUMBIA BKG SYS INC

Financial Services·Banks - Regional

···Share

Holders (tracked)

Combined shares

37,746,278

Combined value

$813.01M

Last close

$28.97

Quarter

2025Q4

Tracked holders · last 8 quarters

+1 vs previous quarter over the last 8.

Price is +34.5% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

26 events

T. Rowe Price added2026-02-17
+5,063,212 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) added2026-02-17
+2,144,265 shares · 2025Q4
Position
D.E. Shaw & Co. exited2026-02-17
−834,286 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−63 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−160,486 shares · 2025Q4
Position
Steve Cohen (Point72) added2026-02-17
+509,112 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+31,200 shares · 2025Q4
Position
Wellington Management added2026-02-17
+4,324,006 shares · 2025Q4
Position
Ray Dalio (Bridgewater Associates) opened position2026-02-13
+129,033 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+3,685,594 shares · 2025Q4
Position
Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09
−112,511 shares · 2025Q4
Position
Mario Gabelli (GAMCO) trimmed2026-02-05
−6,601 shares · 2025Q4
Position
First Eagle Investment Management added2026-02-04
+96,500 shares · 2025Q4
Position
AQR Capital Management added2025-11-14
+624,522 shares · 2025Q3
Position
Steve Cohen (Point72) opened position2025-11-14
+66,481 shares · 2025Q3
Position
Two Sigma Investments opened position2025-11-14
+77,722 shares · 2025Q3
Position
D.E. Shaw & Co. opened position2025-11-14
+834,286 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+2,881,148 shares · 2025Q3
Position
Wellington Management added2025-11-14
+7,921,303 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) trimmed2025-11-14
−825,271 shares · 2025Q3
Position
Renaissance Technologies exited2025-11-13
−229,096 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−1,018,534 shares · 2025Q3
Position
Mario Gabelli (GAMCO) added2025-11-12
+3,254 shares · 2025Q3
Position
Ken Fisher (Fisher Asset Mgmt) added2025-11-12
+625,434 shares · 2025Q3
Position
First Eagle Investment Management opened position2025-11-12
+40,000 shares · 2025Q3
Position
Norges Bank (Norway SWF) trimmed2025-11-12
−204,171 shares · 2024Q3
Position

Insider activity

Last 30 days

Net (open-market)

Buys

0 · $0

Sells

0 · $0

Unique insiders

Date	Insider	Code	Shares	Price	Value
04-15	Lakely Brock EVP, Chief Accounting Officer · Officer	F	396	$29.10	$11.5K

View full insider history for COLB →

Follow-the-investor returns

If you'd copied each holder of COLB…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
T. Rowe Price	2016Q1	$0.17	+16819.2%	$251.1M
Two Sigma Investments	2016Q1	$20.60	+40.6%	$2.2M
Ken Fisher (Fisher Asset Mgmt)	2016Q1	$23.43	+23.7%	$72.9M
Mario Gabelli (GAMCO)	2025Q2	$23.44	+23.6%	$3.7M
Izzy Englander (Millennium Mgmt)	2016Q1	$23.88	+21.3%	$7.1M
Wellington Management	2022Q4	$25.18	+15.1%	$524.5M
AQR Capital Management	2016Q1	$25.73	+12.6%	$22.1M
Norges Bank (Norway SWF)	2016Q1	$26.41	+9.7%	$106.8M
First Eagle Investment Management	2025Q3	$27.30	+6.1%	$4.0M
Steve Cohen (Point72)	2023Q1	$27.73	+4.5%	$16.7M
Ken Griffin (Citadel Advisors)	2016Q2	$27.94	+3.7%	$1.1M
Ken Griffin (Citadel Advisors)	2016Q2	$27.94	+3.7%	$1.1M
Ken Griffin (Citadel Advisors)	2016Q2	$27.94	+3.7%	$1.1M
Ray Dalio (Bridgewater Associates)	2025Q4	$27.95	+3.6%	$3.7M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions2

Norges Bank (Norway SWF)
+3,685,594
$103.0M
Ray Dalio (Bridgewater Associates)
+129,033
$3.6M

Added to6

Wellington Management
+4,324,006
$120.9M
Ken Griffin (Citadel Advisors)
+2,144,265
$59.9M
Steve Cohen (Point72)
+509,112
$14.2M
First Eagle Investment Management
+96,500
$2.7M
AQR Capital Management
+31,200
$872K
T. Rowe Price
+5,063,212
$142K

Trimmed4

Izzy Englander (Millennium Mgmt)
−160,486
$4.5M
Ken Fisher (Fisher Asset Mgmt)
−112,511
$3.1M
Mario Gabelli (GAMCO)
−6,601
$184K
Two Sigma Investments
−63
$2K

Exited1

D.E. Shaw & Co.
−834,286
$21.5M

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	12	18,107,575	$12.11B	—
2022Q2	10	18,676,969	$535.1M	-2
2022Q3	11	14,148,533	$1.6M	+1
2022Q4	14	13,774,434	$393.2M	+3
2023Q1	11	27,102,897	$557.0M	-3
2023Q2	9	26,743,999	$540.6M	-2
2023Q3	10	27,292,100	$552.1M	+1
2023Q4	11	27,326,880	$724.0M	+1
2024Q1	11	29,084,537	$554.9M	—
2024Q2	13	30,108,147	$596.6M	+2
2024Q3	12	11,607,664	$300.1M	-1
2024Q4	9	5,108,374	$127.2M	-3
2025Q1	10	6,550,689	$147.0M	+1
2025Q2	11	11,677,779	$256.2M	+1
2025Q3	13	22,850,467	$495.5M	+2
2025Q4	14	37,746,278	$813.0M	+1

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2026-03-05	Josh Gottheimer	Sell	$1K – $15K	PDF ↗
2025-10-03	Gilbert Cisneros	Buy	$1K – $15K	PDF ↗

Who owns COLB

14 super-investors · 2025Q4

Tracked stake

37.75M

Combined value

$813M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New2Added8Trim4

#	Manager	Shares	Value	% of book	Last action	8Q trend
1	Wellington Management	18.11M	$506M	0.1%	Added+4.32M
2	Norges Bank Norway SWF	3.69M	$103M	0.0%	New+3.69M
3	Ken Griffin Citadel Advisors	2.64M	$74M	0.0%	Added+2.14M
4	Ken Fisher Fisher Asset Mgmt	2.51M	$70M	0.0%	Trim−112.5K
5	AQR Capital Management	761.6K	$21M	0.0%	Added+31.2K
6	Steve Cohen Point72	575.6K	$16M	0.0%	Added+509.1K
7	Izzy Englander Millennium Mgmt	244.8K	$7M	0.0%	Trim−160.5K
8	First Eagle Investment Management	136.5K	$4M	0.0%	Added+96.5K
9	Mario Gabelli GAMCO	129.1K	$4M	0.0%	Trim−6.6K
10	Ray Dalio Bridgewater Associates	129.0K	$4M	0.0%	New+129.0K	—
11	Two Sigma Investments	77.7K	$2M	0.0%	Trim−63
12	Ken Griffin Citadel Advisors	40.8K	$1M	0.0%	Added+2.14M
13	Ken Griffin Citadel Advisors	38.4K	$1M	0.0%	Added+2.14M
14	T. Rowe Price	8.67M	$242K	0.0%	Added+5.06M

Recent moves

20 transactions

SOLDD.E. Shaw & Co.
−834,286 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−160,486 · 2025Q4
ADDAQR Capital Management
+31,200 · 2025Q4
TRIMTwo Sigma Investments
−63 · 2025Q4
ADDSteve Cohen (Point72)
+509,112 · 2025Q4
ADDWellington Management
+4,324,006 · 2025Q4
ADDT. Rowe Price
+5,063,212 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+2,144,265 · 2025Q4
NEWRay Dalio (Bridgewater Associates)
+129,033 · 2025Q4
NEWNorges Bank (Norway SWF)
+3,685,594 · 2025Q4
TRIMKen Fisher (Fisher Asset Mgmt)
−112,511 · 2025Q4
TRIMMario Gabelli (GAMCO)
−6,601 · 2025Q4
ADDFirst Eagle Investment Management
+96,500 · 2025Q4
NEWD.E. Shaw & Co.
+834,286 · 2025Q3
NEWTwo Sigma Investments
+77,722 · 2025Q3
TRIMIzzy Englander (Millennium Mgmt)
−825,271 · 2025Q3
ADDT. Rowe Price
+2,881,148 · 2025Q3
NEWSteve Cohen (Point72)
+66,481 · 2025Q3
ADDWellington Management
+7,921,303 · 2025Q3
ADDAQR Capital Management
+624,522 · 2025Q3

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