Laurion Capital Management’s Columbia Banking Systems COLB Stock Holding History

Laurion Capital 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 Q2	$279K	Sell	8,694 -68,763	-89%	-$2.04M	0.01%	367
2026 Q1	$2.12M	Buy	77,457 +2,247	+3%	+$65K	0.09%	205
2025 Q4	$2.1M	Buy	75,210 +500	+0.7%	+$13.5K	0.08%	102
2025 Q3	$1.92M	Buy	+74,710	New	+$1.9M	0.03%	162
2018 Q3	–	Sell	-10,239	Closed	-$419K	–	1229
2018 Q2	$419K	Buy	+10,239	New	+$437K	﹤0.01%	1003
2017 Q2	–	Sell	-7,200	Closed	-$281K	–	1658
2017 Q1	$281K	Buy	+7,200	New	+$290K	﹤0.01%	1087

Other funds holding COLB

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Laurion Capital Management's COLB Position: Q2 2026 in Review

Laurion Capital Management reduced its Columbia Banking Systems (COLB) stake by 89% in Q2 2026, selling an estimated $2.04M and leaving 8,694 shares worth $279K. The position accounts for 0.01% of the portfolio, ranked #367.

Laurion Capital Management first reported a position in COLB in Q1 2017 and has held it in 6 quarters since. The position peaked at $2.12M in Q1 2026. 554 funds tracked by Wall St. Rank hold COLB as of Q2 2026.

Laurion Capital Management held 8,694 shares of Columbia Banking Systems worth $279K as of Q2 2026.
Laurion Capital Management sold 68,763 Columbia Banking Systems shares in Q2 2026, an estimated $2.04M.
Columbia Banking Systems made up 0.01% of Laurion Capital Management's portfolio in Q2 2026, its #367 holding.
Laurion Capital Management first reported a position in Columbia Banking Systems in Q1 2017 and has held it in 6 quarters since.
Laurion Capital Management's Columbia Banking Systems position peaked at $2.12M in Q1 2026.
554 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q2 2026.

Based on Laurion Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.