Group One Trading
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Group One Trading’s Columbia Banking Systems COLB Stock Holding History

Group One Trading’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 		$10.9K Sell
341
-2,721
-89% -$80.8K ﹤0.01% 6341
2026
Q1 		$84K Buy
+3,062
New +$88.5K ﹤0.01% 4882
2024
Q3 		– Sell
-657
Closed -$15.6K – 6732
2024
Q2 		$13.1K Sell
657
-5,321
-89% -$101K ﹤0.01% 5491
2024
Q1 		$116K Buy
5,978
+5,640
+1,669% +$116K ﹤0.01% 4034
2023
Q4 		$9.02K Buy
+338
New +$7.51K ﹤0.01% 6267

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

Group One Trading's COLB Position: Q2 2026 in Review

Group One Trading reduced its Columbia Banking Systems (COLB) stake by 89% in Q2 2026, selling an estimated $80.8K and leaving 341 shares worth $10.9K. The position accounts for ﹤0.01% of the portfolio, ranked #6341.

Group One Trading first reported a position in COLB in Q4 2023 and has held it in 5 quarters since. The position peaked at $116K in Q1 2024. 551 funds tracked by Wall St. Rank hold COLB as of Q2 2026.

  • Group One Trading held 341 shares of Columbia Banking Systems worth $10.9K as of Q2 2026.
  • Group One Trading sold 2,721 Columbia Banking Systems shares in Q2 2026, an estimated $80.8K.
  • Columbia Banking Systems made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #6341 holding.
  • Group One Trading first reported a position in Columbia Banking Systems in Q4 2023 and has held it in 5 quarters since.
  • Group One Trading's Columbia Banking Systems position peaked at $116K in Q1 2024.
  • 551 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.