O'Shaughnessy Asset Management’s Columbia Banking Systems COLB Stock Holding History

O'Shaughnessy Asset 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	–	Sell	-11,319	Closed	-$310K	–	2663
2026 Q1	$310K	Sell	11,319 -3,225	-22%	-$93.3K	﹤0.01%	1764
2025 Q4	$407K	Buy	14,544 +875	+6%	+$23.7K	﹤0.01%	1606
2025 Q3	$352K	Buy	+13,669	New	+$347K	﹤0.01%	1668
2025 Q1	–	Sell	-7,788	Closed	-$210K	–	2320
2024 Q4	$210K	Buy	+7,788	New	+$223K	﹤0.01%	1726

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

O'Shaughnessy Asset Management's COLB Position: Q2 2026 in Review

O'Shaughnessy Asset Management sold out of Columbia Banking Systems (COLB) in Q2 2026, closing a stake of 11,319 shares — an estimated $310K sold.

O'Shaughnessy Asset Management first reported a position in COLB in Q4 2024 and held it in 4 quarters. The position peaked at $407K in Q4 2025. 551 funds tracked by Wall St. Rank hold COLB as of Q2 2026.

O'Shaughnessy Asset Management reported no remaining Columbia Banking Systems position as of Q2 2026 after selling out during the quarter.
O'Shaughnessy Asset Management sold 11,319 Columbia Banking Systems shares in Q2 2026, an estimated $310K.
O'Shaughnessy Asset Management first reported a position in Columbia Banking Systems in Q4 2024 and held it in 4 quarters.
O'Shaughnessy Asset Management's Columbia Banking Systems position peaked at $407K in Q4 2025.
551 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q2 2026.

Based on O'Shaughnessy Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.