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GW&K Investment Management’s Columbia Banking Systems COLB Stock Holding History

GW&K Investment Management’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 		$2.35M Sell
85,482
-865,317
-91% -$25M 0.02% 304
2025
Q4 		$26.6M Sell
950,799
-16,226
-2% -$439K 0.23% 173
2025
Q3 		$24.9M Buy
+967,025
New +$24.6M 0.22% 175

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

GW&K Investment Management's COLB Position: Q1 2026 in Review

GW&K Investment Management reduced its Columbia Banking Systems (COLB) stake by 91% in Q1 2026, selling an estimated $25M and leaving 85,482 shares worth $2.35M. The position accounts for 0.02% of the portfolio, ranked #304.

GW&K Investment Management first reported a position in COLB in Q3 2025 and has held it in 3 quarters since. The position peaked at $26.6M in Q4 2025. 524 funds tracked by Wall St. Rank hold COLB as of Q1 2026.

  • GW&K Investment Management held 85,482 shares of Columbia Banking Systems worth $2.35M as of Q1 2026.
  • GW&K Investment Management sold 865,317 Columbia Banking Systems shares in Q1 2026, an estimated $25M.
  • Columbia Banking Systems made up 0.02% of GW&K Investment Management's portfolio in Q1 2026, its #304 holding.
  • GW&K Investment Management first reported a position in Columbia Banking Systems in Q3 2025 and has held it in 3 quarters since.
  • GW&K Investment Management's Columbia Banking Systems position peaked at $26.6M in Q4 2025.
  • 524 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q1 2026.

Based on GW&K Investment Management's 13F filing for Q1 2026, filed 13 May 2026.