Jane Street’s Columbia Banking Systems COLB Stock Holding History

Jane Street’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	$771K	Buy	28,100 +11,800	+72%	+$341K	﹤0.01%	7067
2025 Q4	$456K	Sell	16,300 -1,300	-7%	-$35.2K	﹤0.01%	7916
2025 Q3	$453K	Buy	17,600 +6,900	+64%	+$175K	﹤0.01%	8072
2025 Q2	$250K	Buy	+10,700	New	+$248K	﹤0.01%	8161
2024 Q3	–	Sell	-10,500	Closed	-$209K	–	9649
2024 Q2	$209K	Sell	10,500 -65,800	-86%	-$1.25M	﹤0.01%	8322
2024 Q1	$1.48M	Buy	76,300 +28,900	+61%	+$595K	﹤0.01%	4674
2023 Q4	$1.26M	Buy	+47,400	New	+$1.05M	﹤0.01%	5153
2023 Q3	–	Sell	-10,900	Closed	-$221K	–	8713
2023 Q2	$221K	Buy	+10,900	New	+$230K	﹤0.01%	7555

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

Jane Street's COLB Position: Q1 2026 in Review

Jane Street increased its Columbia Banking Systems (COLB) stake by 1,859% in Q1 2026, buying an estimated $3.99M and bringing the position to 145,530 shares worth $3.99M. The position accounts for ﹤0.01% of the portfolio, ranked #3855.

Jane Street first reported a position in COLB in Q3 2014 and has held it in 26 quarters since. The position peaked at $5.56M in Q3 2024. 525 funds tracked by Wall St. Rank hold COLB as of Q1 2026.

Jane Street held 145,530 shares of Columbia Banking Systems worth $3.99M as of Q1 2026.
Jane Street bought 138,103 Columbia Banking Systems shares in Q1 2026, an estimated $3.99M.
Columbia Banking Systems made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #3855 holding.
Jane Street first reported a position in Columbia Banking Systems in Q3 2014 and has held it in 26 quarters since.
Jane Street's Columbia Banking Systems position peaked at $5.56M in Q3 2024.
525 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.