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Interval Partners’s Columbia Banking Systems COLB Stock Holding History

Interval Partners’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 		$25.1M Buy
782,925
+423,064
+118% +$12.6M 0.65% 48
2026
Q1 		$9.87M Buy
+359,861
New +$10.4M 0.26% 103
2024
Q4 		– Sell
-85,441
Closed -$2.23M – 373
2024
Q3 		$2.23M Sell
85,441
-143,566
-63% -$3.42M 0.05% 262
2024
Q2 		$4.55M Buy
229,007
+134,472
+142% +$2.56M 0.1% 205
2024
Q1 		$1.83M Buy
+94,535
New +$1.94M 0.05% 243
2023
Q3 		– Sell
-100,000
Closed -$2.03M – 301
2023
Q2 		$2.03M Buy
+100,000
New +$2.11M 0.07% 196

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

Interval Partners's COLB Position: Q2 2026 in Review

Interval Partners increased its Columbia Banking Systems (COLB) stake by 118% in Q2 2026, buying an estimated $12.6M and bringing the position to 782,925 shares worth $25.1M. The position accounts for 0.65% of the portfolio, ranked #48.

Interval Partners first reported a position in COLB in Q2 2023 and has held it in 6 quarters since. 551 funds tracked by Wall St. Rank hold COLB as of Q2 2026.

  • Interval Partners held 782,925 shares of Columbia Banking Systems worth $25.1M as of Q2 2026.
  • Interval Partners bought 423,064 Columbia Banking Systems shares in Q2 2026, an estimated $12.6M.
  • Columbia Banking Systems made up 0.65% of Interval Partners's portfolio in Q2 2026, its #48 holding.
  • Interval Partners first reported a position in Columbia Banking Systems in Q2 2023 and has held it in 6 quarters since.
  • 551 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q2 2026.

Based on Interval Partners's 13F filing for Q2 2026, filed 14 Aug 2026.