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
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 $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

Wellington Management Group's COLB Position: Q1 2026 in Review

Wellington Management Group reduced its Columbia Banking Systems (COLB) stake by 17% in Q1 2026, selling an estimated $91.4M and leaving 14,944,275 shares worth $410M. The position accounts for 0.08% of the portfolio, ranked #231.

Wellington Management Group first reported a position in COLB in Q1 2014 and has held it in 15 quarters since. The position peaked at $506M in Q4 2025. 524 funds tracked by Wall St. Rank hold COLB as of Q1 2026.

  • Wellington Management Group held 14,944,275 shares of Columbia Banking Systems worth $410M as of Q1 2026.
  • Wellington Management Group sold 3,161,953 Columbia Banking Systems shares in Q1 2026, an estimated $91.4M.
  • Columbia Banking Systems made up 0.08% of Wellington Management Group's portfolio in Q1 2026, its #231 holding.
  • Wellington Management Group first reported a position in Columbia Banking Systems in Q1 2014 and has held it in 15 quarters since.
  • Wellington Management Group's Columbia Banking Systems position peaked at $506M in Q4 2025.
  • 524 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q1 2026.

Based on Wellington Management Group's 13F filing for Q1 2026, filed 15 May 2026.