Stone House Investment Management’s Columbia Banking Systems COLB Stock Holding History

Stone House 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	$9.9K	Buy	361 +4	+1%	+$116	﹤0.01%	351
2025 Q4	$9.98K	Hold	357	–	–	﹤0.01%	322
2025 Q3	$9.19K	Buy	357 +295	+476%	+$7.49K	﹤0.01%	300
2025 Q2	$1.45K	Buy	62 +60	+3,000%	+$1.39K	﹤0.01%	427
2025 Q1	$50	Buy	+2	New	+$53	﹤0.01%	428
2024 Q4	–	Sell	-2	Closed	-$52	–	111
2024 Q3	$52	Buy	+2	New	+$48	﹤0.01%	374

Other funds holding COLB

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

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 Austin, Texas $481B AUM 30.42% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Stone House Investment Management's COLB Position: Q1 2026 in Review

Stone House Investment Management increased its Columbia Banking Systems (COLB) stake by 1.1% in Q1 2026, buying an estimated $116 and bringing the position to 361 shares worth $9.9K. The position accounts for ﹤0.01% of the portfolio, ranked #351.

Stone House Investment Management first reported a position in COLB in Q3 2024 and has held it in 6 quarters since. The position peaked at $9.98K in Q4 2025. 525 funds tracked by Wall St. Rank hold COLB as of Q1 2026.

Stone House Investment Management held 361 shares of Columbia Banking Systems worth $9.9K as of Q1 2026.
Stone House Investment Management bought 4 Columbia Banking Systems shares in Q1 2026, an estimated $116.
Columbia Banking Systems made up ﹤0.01% of Stone House Investment Management's portfolio in Q1 2026, its #351 holding.
Stone House Investment Management first reported a position in Columbia Banking Systems in Q3 2024 and has held it in 6 quarters since.
Stone House Investment Management's Columbia Banking Systems position peaked at $9.98K in Q4 2025.
525 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q1 2026.

Based on Stone House Investment Management's 13F filing for Q1 2026, filed 22 Apr 2026.