Brown Advisory
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Brown Advisory’s Columbia Banking Systems COLB Stock Holding History

Brown Advisory’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 		$1.24M Sell
38,615
-2,651
-6% -$78.7K ﹤0.01% 844
2026
Q1 		$1.13M Sell
41,266
-56,673
-58% -$1.64M ﹤0.01% 811
2025
Q4 		$2.74M Sell
97,939
-8,486
-8% -$230K ﹤0.01% 623
2025
Q3 		$2.74M Buy
+106,425
New +$2.7M ﹤0.01% 614
2022
Q1 		– Sell
-7,438
Closed -$244K – 1144
2021
Q4 		$244K Buy
+7,438
New +$258K ﹤0.01% 1111
2019
Q2 		– Sell
-79,954
Closed -$2.61M – 1073
2019
Q1 		$2.61M Buy
79,954
+25,259
+46% +$917K 0.01% 575
2018
Q4 		$1.99M Buy
54,695
+4,088
+8% +$153K 0.01% 595
2018
Q3 		$1.96M Buy
50,607
+5,851
+13% +$243K 0.01% 637
2018
Q2 		$1.83M Buy
44,756
+16,276
+57% +$695K 0.01% 643
2018
Q1 		$1.2M Buy
28,480
+8,644
+44% +$375K ﹤0.01% 617
2017
Q4 		$861K Buy
19,836
+490
+3% +$21.4K ﹤0.01% 720
2017
Q3 		$814K Buy
19,346
+3,472
+22% +$134K ﹤0.01% 708
2017
Q2 		$632K Buy
15,874
+1,879
+13% +$73.2K ﹤0.01% 786
2017
Q1 		$546K Buy
13,995
+4,530
+48% +$182K ﹤0.01% 785
2016
Q4 		$423K Sell
9,465
-750
-7% -$28.3K ﹤0.01% 833
2016
Q3 		$334K Buy
10,215
+2,380
+30% +$74.4K ﹤0.01% 848
2016
Q2 		$220K Buy
7,835
+1,160
+17% +$34K ﹤0.01% 951
2016
Q1 		$200K Buy
6,675
+270
+4% +$7.93K ﹤0.01% 933
2015
Q4 		$208K Buy
+6,405
New +$214K ﹤0.01% 896

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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 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

Brown Advisory's COLB Position: Q2 2026 in Review

Brown Advisory reduced its Columbia Banking Systems (COLB) stake by 6.4% in Q2 2026, selling an estimated $78.7K and leaving 38,615 shares worth $1.24M. The position accounts for ﹤0.01% of the portfolio, ranked #844.

Brown Advisory first reported a position in COLB in Q4 2015 and has held it in 19 quarters since. The position peaked at $2.74M in Q3 2025. 555 funds tracked by Wall St. Rank hold COLB as of Q2 2026.

  • Brown Advisory held 38,615 shares of Columbia Banking Systems worth $1.24M as of Q2 2026.
  • Brown Advisory sold 2,651 Columbia Banking Systems shares in Q2 2026, an estimated $78.7K.
  • Columbia Banking Systems made up ﹤0.01% of Brown Advisory's portfolio in Q2 2026, its #844 holding.
  • Brown Advisory first reported a position in Columbia Banking Systems in Q4 2015 and has held it in 19 quarters since.
  • Brown Advisory's Columbia Banking Systems position peaked at $2.74M in Q3 2025.
  • 555 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q2 2026.

Based on Brown Advisory's 13F filing for Q2 2026, filed 14 Aug 2026.