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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
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 $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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 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

GAMCO Investors's COLB Position: Q1 2026 in Review

GAMCO Investors reduced its Columbia Banking Systems (COLB) stake by 45% in Q1 2026, selling an estimated $1.68M and leaving 70,842 shares worth $1.94M. The position accounts for 0.02% of the portfolio, ranked #523.

GAMCO Investors first reported a position in COLB in Q2 2025 and has held it in 4 quarters since. The position peaked at $3.61M in Q4 2025. 524 funds tracked by Wall St. Rank hold COLB as of Q1 2026.

  • GAMCO Investors held 70,842 shares of Columbia Banking Systems worth $1.94M as of Q1 2026.
  • GAMCO Investors sold 58,246 Columbia Banking Systems shares in Q1 2026, an estimated $1.68M.
  • Columbia Banking Systems made up 0.02% of GAMCO Investors's portfolio in Q1 2026, its #523 holding.
  • GAMCO Investors first reported a position in Columbia Banking Systems in Q2 2025 and has held it in 4 quarters since.
  • GAMCO Investors's Columbia Banking Systems position peaked at $3.61M in Q4 2025.
  • 524 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q1 2026.

Based on GAMCO Investors's 13F filing for Q1 2026, filed 14 May 2026.