Wellington Management Group
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Wellington Management Group’s Columbia Banking Systems COLB Stock Holding History

Wellington Management Group’s Portfolio COLB Stock Details COLB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$375M Sell
11,686,430
-3,257,845
-22% -$96.7M 0.06% 268
2026
Q1 		$410M Sell
14,944,275
-3,161,953
-17% -$91.4M 0.08% 231
2025
Q4 		$506M Buy
18,106,228
+4,324,006
+31% +$117M 0.09% 204
2025
Q3 		$355M Buy
13,782,222
+7,921,303
+135% +$201M 0.06% 272
2025
Q2 		$137M Buy
5,860,919
+3,290,659
+128% +$76.3M 0.02% 449
2025
Q1 		$64.1M Sell
2,570,260
-1,516,419
-37% -$40.4M 0.01% 611
2024
Q4 		$110M Sell
4,086,679
-2,572,576
-39% -$73.8M 0.02% 508
2024
Q3 		$174M Buy
6,659,255
+1,611,563
+32% +$38.4M 0.03% 425
2024
Q2 		$100M Buy
5,047,692
+770,749
+18% +$14.7M 0.02% 535
2024
Q1 		$82.8M Sell
4,276,943
-301,675
-7% -$6.21M 0.01% 595
2023
Q4 		$122M Buy
4,578,618
+637,212
+16% +$14.2M 0.02% 521
2023
Q3 		$80M Buy
+3,941,406
New +$82.2M 0.02% 586
2023
Q1 		– Sell
-24,142
Closed -$727K – 2012
2022
Q4 		$727K Buy
+24,142
New +$767K ﹤0.01% 1727
2014
Q4 		– Sell
-424,780
Closed -$10.5M – 2179
2014
Q3 		$10.5M Sell
424,780
-17,000
-4% -$439K ﹤0.01% 1219
2014
Q2 		$11.6M Buy
441,780
+190,613
+76% +$4.96M ﹤0.01% 1212
2014
Q1 		$7.16M Buy
+251,167
New +$6.79M ﹤0.01% 1340

Other funds holding COLB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Wellington Management Group's COLB Position: Q2 2026 in Review

Wellington Management Group reduced its Columbia Banking Systems (COLB) stake by 22% in Q2 2026, selling an estimated $96.7M and leaving 11,686,430 shares worth $375M. The position accounts for 0.06% of the portfolio, ranked #268.

Wellington Management Group first reported a position in COLB in Q1 2014 and has held it in 16 quarters since. The position peaked at $506M in Q4 2025. 555 funds tracked by Wall St. Rank hold COLB as of Q2 2026.

  • Wellington Management Group held 11,686,430 shares of Columbia Banking Systems worth $375M as of Q2 2026.
  • Wellington Management Group sold 3,257,845 Columbia Banking Systems shares in Q2 2026, an estimated $96.7M.
  • Columbia Banking Systems made up 0.06% of Wellington Management Group's portfolio in Q2 2026, its #268 holding.
  • Wellington Management Group first reported a position in Columbia Banking Systems in Q1 2014 and has held it in 16 quarters since.
  • Wellington Management Group's Columbia Banking Systems position peaked at $506M in Q4 2025.
  • 555 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q2 2026.

Based on Wellington Management Group's 13F filing for Q2 2026, filed 14 Aug 2026.