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GAMCO Investors’s Columbia Banking Systems COLB Stock Holding History

GAMCO Investors’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 		$1.65M Sell
51,595
-19,247
-27% -$572K 0.01% 534
2026
Q1 		$1.94M Sell
70,842
-58,246
-45% -$1.68M 0.02% 523
2025
Q4 		$3.61M Sell
129,088
-6,601
-5% -$179K 0.03% 429
2025
Q3 		$3.49M Buy
135,689
+3,254
+2% +$82.6K 0.03% 425
2025
Q2 		$3.1M Buy
+132,435
New +$3.07M 0.03% 453

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

GAMCO Investors's COLB Position: Q2 2026 in Review

GAMCO Investors reduced its Columbia Banking Systems (COLB) stake by 27% in Q2 2026, selling an estimated $572K and leaving 51,595 shares worth $1.65M. The position accounts for 0.01% of the portfolio, ranked #534.

GAMCO Investors first reported a position in COLB in Q2 2025 and has held it in 5 quarters since. The position peaked at $3.61M in Q4 2025. 554 funds tracked by Wall St. Rank hold COLB as of Q2 2026.

  • GAMCO Investors held 51,595 shares of Columbia Banking Systems worth $1.65M as of Q2 2026.
  • GAMCO Investors sold 19,247 Columbia Banking Systems shares in Q2 2026, an estimated $572K.
  • Columbia Banking Systems made up 0.01% of GAMCO Investors's portfolio in Q2 2026, its #534 holding.
  • GAMCO Investors first reported a position in Columbia Banking Systems in Q2 2025 and has held it in 5 quarters since.
  • GAMCO Investors's Columbia Banking Systems position peaked at $3.61M in Q4 2025.
  • 554 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q2 2026.

Based on GAMCO Investors's 13F filing for Q2 2026, filed 12 Aug 2026.