Siena Capital Partners’s Columbia Banking Systems COLB Stock Holding History

Siena Capital 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	$5.01M	Hold	156,302	–	–	1.21%	27
2026 Q1	$4.29M	Hold	156,302	–	–	1.11%	30
2025 Q4	$4.37M	Hold	156,302	–	–	1.17%	31
2025 Q3	$4.02M	Hold	156,302	–	–	1.15%	36
2025 Q2	$3.65M	Hold	156,302	–	–	1.07%	41
2025 Q1	$3.89M	Hold	156,302	–	–	1.16%	33
2024 Q4	$4.22M	Hold	156,302	–	–	1.16%	31
2024 Q3	$4.08M	Hold	156,302	–	–	1.18%	30
2024 Q2	$3.11M	Hold	156,302	–	–	1.02%	43
2024 Q1	$3.02M	Hold	156,302	–	–	1.01%	43
2023 Q4	$4.17M	Hold	156,302	–	–	1.31%	21
2023 Q3	$3.17M	Buy	156,302 +22,000	+16%	+$459K	1.14%	27
2023 Q2	$2.72M	Buy	+134,302	New	+$2.84M	0.97%	39

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

Siena Capital Partners's COLB Position: Q2 2026 in Review

Siena Capital Partners held its Columbia Banking Systems (COLB) position steady in Q2 2026 at 156,302 shares worth $5.01M. The position accounts for 1.21% of the portfolio, ranked #27.

Siena Capital Partners first reported a position in COLB in Q2 2023 and has held it in 13 quarters since. 555 funds tracked by Wall St. Rank hold COLB as of Q2 2026.

Siena Capital Partners held 156,302 shares of Columbia Banking Systems worth $5.01M as of Q2 2026.
Siena Capital Partners left its Columbia Banking Systems share count unchanged in Q2 2026.
Columbia Banking Systems made up 1.21% of Siena Capital Partners's portfolio in Q2 2026, its #27 holding.
Siena Capital Partners first reported a position in Columbia Banking Systems in Q2 2023 and has held it in 13 quarters since.
555 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q2 2026.

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