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AMG National Trust Bank’s Columbia Banking Systems COLB Stock Holding History

AMG National Trust Bank’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 		– Sell
-64,378
Closed -$1.77M – 454
2026
Q1 		$1.77M Sell
64,378
-1,587
-2% -$45.9K 0.04% 241
2025
Q4 		$1.84M Buy
65,965
+1,722
+3% +$46.6K 0.04% 222
2025
Q3 		$1.65M Buy
+64,243
New +$1.63M 0.04% 236
2020
Q2 		– Sell
-25,506
Closed -$684K – 421
2020
Q1 		$684K Sell
25,506
-2
-0% -$70 0.05% 143
2019
Q4 		$1.04M Buy
25,508
+302
+1% +$11.8K 0.06% 147
2019
Q3 		$930K Buy
25,206
+1,123
+5% +$40.1K 0.05% 152
2019
Q2 		$871K Sell
24,083
-79
-0.3% -$2.8K 0.05% 146
2019
Q1 		$790K Sell
24,162
-4,789
-17% -$174K 0.05% 154
2018
Q4 		$1.05M Sell
28,951
-1,649
-5% -$61.7K 0.07% 127
2018
Q3 		$1.19M Buy
30,600
+4,111
+16% +$171K 0.07% 127
2018
Q2 		$1.08M Sell
26,489
-95
-0.4% -$4.06K 0.07% 131
2018
Q1 		$1.11M Buy
26,584
+296
+1% +$12.8K 0.07% 127
2017
Q4 		$1.14M Buy
26,288
+21
+0.1% +$916 0.07% 134
2017
Q3 		$1.11M Buy
26,267
+5,498
+26% +$213K 0.08% 132
2017
Q2 		$828K Buy
20,769
+3,831
+23% +$149K 0.06% 147
2017
Q1 		$660K Buy
16,938
+1,834
+12% +$73.9K 0.05% 162
2016
Q4 		$675K Sell
15,104
-6,931
-31% -$262K 0.06% 154
2016
Q3 		$721K Buy
22,035
+277
+1% +$8.65K 0.06% 138
2016
Q2 		$611K Buy
21,758
+2,098
+11% +$61.6K 0.05% 154
2016
Q1 		$588K Buy
19,660
+1,730
+10% +$50.8K 0.05% 163
2015
Q4 		$583K Hold
17,930
– – 0.05% 163
2015
Q3 		$560K Sell
17,930
-63
-0.4% -$1.99K 0.05% 170
2015
Q2 		$585K Sell
17,993
-106
-0.6% -$3.23K 0.05% 153
2015
Q1 		$524K Sell
18,099
-202
-1% -$5.54K 0.05% 172
2014
Q4 		$505K Sell
18,301
-1,437
-7% -$38.7K 0.05% 178
2014
Q3 		$490K Buy
+19,738
New +$510K 0.05% 175

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 $3.38T AUM 44.17% 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

AMG National Trust Bank's COLB Position: Q2 2026 in Review

AMG National Trust Bank sold out of Columbia Banking Systems (COLB) in Q2 2026, closing a stake of 64,378 shares — an estimated $1.77M sold.

AMG National Trust Bank first reported a position in COLB in Q3 2014 and held it in 26 quarters. The position peaked at $1.84M in Q4 2025. 556 funds tracked by Wall St. Rank hold COLB as of Q2 2026.

  • AMG National Trust Bank reported no remaining Columbia Banking Systems position as of Q2 2026 after selling out during the quarter.
  • AMG National Trust Bank sold 64,378 Columbia Banking Systems shares in Q2 2026, an estimated $1.77M.
  • AMG National Trust Bank first reported a position in Columbia Banking Systems in Q3 2014 and held it in 26 quarters.
  • AMG National Trust Bank's Columbia Banking Systems position peaked at $1.84M in Q4 2025.
  • 556 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q2 2026.

Based on AMG National Trust Bank's 13F filing for Q2 2026, filed 7 Aug 2026.