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Winton Group’s Columbia Banking Systems COLB Stock Holding History

Winton Group’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 		– Sell
-423,672
Closed -$11.8M – 1154
2025
Q4 		$11.8M Buy
+423,672
New +$11.5M 0.41% 59

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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
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
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Winton Group's COLB Position: Q1 2026 in Review

Winton Group sold out of Columbia Banking Systems (COLB) in Q1 2026, closing a stake of 423,672 shares — an estimated $11.8M sold.

Winton Group first reported a position in COLB in Q4 2025 and held it in 1 quarter. The position peaked at $11.8M in Q4 2025. 526 funds tracked by Wall St. Rank hold COLB as of Q1 2026.

  • Winton Group reported no remaining Columbia Banking Systems position as of Q1 2026 after selling out during the quarter.
  • Winton Group sold 423,672 Columbia Banking Systems shares in Q1 2026, an estimated $11.8M.
  • Winton Group first reported a position in Columbia Banking Systems in Q4 2025 and held it in 1 quarter.
  • Winton Group's Columbia Banking Systems position peaked at $11.8M in Q4 2025.
  • 526 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q1 2026.

Based on Winton Group's 13F filing for Q1 2026, filed 12 May 2026.