Citadel Advisors
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Citadel Advisors’s Columbia Banking Systems COLB Stock Holding History

Citadel Advisors’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 		$680K Sell
24,800
-16,000
-39% -$463K ﹤0.01% 8549
2025
Q4 		$1.14M Buy
40,800
+30,127
+282% +$816K ﹤0.01% 7103
2025
Q3 		$275K Sell
10,673
-5,827
-35% -$148K ﹤0.01% 10568
2025
Q2 		$386K Sell
16,500
-8,900
-35% -$206K ﹤0.01% 9232
2025
Q1 		$633K Sell
25,400
-10,000
-28% -$266K ﹤0.01% 7955
2024
Q4 		$956K Buy
35,400
+10,100
+40% +$290K ﹤0.01% 7116
2024
Q3 		$661K Sell
25,300
-2,400
-9% -$57.2K ﹤0.01% 7672
2024
Q2 		$551K Sell
27,700
-13,100
-32% -$249K ﹤0.01% 7854
2024
Q1 		$789K Buy
40,800
+11,300
+38% +$232K ﹤0.01% 7423
2023
Q4 		$787K Buy
29,500
+8,000
+37% +$178K ﹤0.01% 7164
2023
Q3 		$436K Buy
21,500
+13,400
+165% +$280K ﹤0.01% 8368
2023
Q2 		$164K Sell
8,100
-900
-10% -$19K ﹤0.01% 10197
2023
Q1 		$193K Buy
9,000
+3,800
+73% +$106K ﹤0.01% 10248
2022
Q4 		$157K Buy
+5,200
New +$165K ﹤0.01% 10549
2022
Q1 		– Sell
-11,200
Closed -$366K – 13705
2021
Q4 		$366K Buy
+11,200
New +$388K ﹤0.01% 10459
2021
Q2 		– Sell
-5,500
Closed -$237K – 13734
2021
Q1 		$237K Buy
+5,500
New +$240K ﹤0.01% 11360
2019
Q2 		– Sell
-30,600
Closed -$1M – 9238
2019
Q1 		$1M Buy
+30,600
New +$1.11M ﹤0.01% 5590

Other funds holding COLB

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Wellington Management Group
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
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Citadel Advisors's COLB Position: Q1 2026 in Review

Citadel Advisors increased its Columbia Banking Systems (COLB) stake by 20% in Q1 2026, buying an estimated $15.5M and bringing the position to 3,173,756 shares worth $87.1M. The position accounts for 0.01% of the portfolio, ranked #912.

Citadel Advisors first reported a position in COLB in Q3 2013 and has held it in 44 quarters since. The position peaked at $91.7M in Q4 2023. 524 funds tracked by Wall St. Rank hold COLB as of Q1 2026.

  • Citadel Advisors held 3,173,756 shares of Columbia Banking Systems worth $87.1M as of Q1 2026.
  • Citadel Advisors bought 534,530 Columbia Banking Systems shares in Q1 2026, an estimated $15.5M.
  • Columbia Banking Systems made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #912 holding.
  • Citadel Advisors first reported a position in Columbia Banking Systems in Q3 2013 and has held it in 44 quarters since.
  • Citadel Advisors's Columbia Banking Systems position peaked at $91.7M in Q4 2023.
  • 524 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.