Sit Investment Associates’s Columbia Banking Systems COLB Stock Holding History

Sit Investment Associates’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	$2.57M	Buy	80,320 +2,270	+3%	+$67.4K	0.05%	276
2026 Q1	$2.14M	Buy	78,050 +11,700	+18%	+$338K	0.04%	289
2025 Q4	$1.85M	Hold	66,350	–	–	0.04%	321
2025 Q3	$1.71M	Buy	66,350 +25,800	+64%	+$655K	0.03%	324
2025 Q2	$948K	Buy	40,550 +675	+2%	+$15.6K	0.02%	378
2025 Q1	$994K	Buy	39,875 +8,775	+28%	+$234K	0.02%	370
2024 Q4	$840K	Buy	+31,100	New	+$892K	0.02%	393
2018 Q3	–	Sell	-14,300	Closed	-$585K	–	544
2018 Q2	$585K	Hold	14,300	–	–	0.02%	402
2018 Q1	$600K	Hold	14,300	–	–	0.01%	401
2017 Q4	$621K	Hold	14,300	–	–	0.01%	406
2017 Q3	$602K	Hold	14,300	–	–	0.02%	398
2017 Q2	$570K	Hold	14,300	–	–	0.01%	409
2017 Q1	$558K	Buy	14,300 +11,050	+340%	+$445K	0.01%	404
2016 Q4	$145K	Hold	3,250	–	–	﹤0.01%	435
2016 Q3	$106K	Hold	3,250	–	–	﹤0.01%	403
2016 Q2	$91K	Buy	3,250 +300	+10%	+$8.81K	﹤0.01%	420
2016 Q1	$88K	Hold	2,950	–	–	﹤0.01%	426
2015 Q4	$96K	Hold	2,950	–	–	﹤0.01%	418
2015 Q3	$92K	Buy	2,950 +350	+13%	+$11.1K	﹤0.01%	435
2015 Q2	$85K	Buy	+2,600	New	+$79.3K	﹤0.01%	424

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

Sit Investment Associates's COLB Position: Q2 2026 in Review

Sit Investment Associates increased its Columbia Banking Systems (COLB) stake by 2.9% in Q2 2026, buying an estimated $67.4K and bringing the position to 80,320 shares worth $2.57M. The position accounts for 0.05% of the portfolio, ranked #276.

Sit Investment Associates first reported a position in COLB in Q2 2015 and has held it in 20 quarters since. 551 funds tracked by Wall St. Rank hold COLB as of Q2 2026.

Sit Investment Associates held 80,320 shares of Columbia Banking Systems worth $2.57M as of Q2 2026.
Sit Investment Associates bought 2,270 Columbia Banking Systems shares in Q2 2026, an estimated $67.4K.
Columbia Banking Systems made up 0.05% of Sit Investment Associates's portfolio in Q2 2026, its #276 holding.
Sit Investment Associates first reported a position in Columbia Banking Systems in Q2 2015 and has held it in 20 quarters since.
551 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q2 2026.

Based on Sit Investment Associates's 13F filing for Q2 2026, filed 12 Aug 2026.