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Aigen Investment Management’s Columbia Banking Systems COLB Stock Holding History

Aigen Investment 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 		$306K Buy
+9,549
New +$284K 0.08% 314
2025
Q4 		– Sell
-11,325
Closed -$292K – 654
2025
Q3 		$292K Sell
11,325
-6,302
-36% -$160K 0.05% 543
2025
Q2 		$412K Buy
+17,627
New +$409K 0.06% 447
2023
Q3 		– Sell
-18,380
Closed -$373K – 868
2023
Q2 		$373K Buy
+18,380
New +$388K 0.06% 422
2022
Q2 		– Sell
-10,472
Closed -$338K – 559
2022
Q1 		$338K Buy
+10,472
New +$367K 0.06% 350

Other funds holding COLB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Aigen Investment Management's COLB Position: Q2 2026 in Review

Aigen Investment Management opened a new position in Columbia Banking Systems (COLB) in Q2 2026: 9,549 shares worth $306K. The stake represents 0.08% of the portfolio and ranks #314 among its holdings. This is a return to the name: Aigen Investment Management previously reported a position in COLB as recently as Q3 2025.

Aigen Investment Management first reported a position in COLB in Q1 2022 and has held it in 5 quarters since. The position peaked at $412K in Q2 2025. 556 funds tracked by Wall St. Rank hold COLB as of Q2 2026.

  • Aigen Investment Management held 9,549 shares of Columbia Banking Systems worth $306K as of Q2 2026.
  • Columbia Banking Systems was a new Aigen Investment Management position in Q2 2026.
  • Columbia Banking Systems made up 0.08% of Aigen Investment Management's portfolio in Q2 2026, its #314 holding.
  • Aigen Investment Management first reported a position in Columbia Banking Systems in Q1 2022 and has held it in 5 quarters since.
  • Aigen Investment Management's Columbia Banking Systems position peaked at $412K in Q2 2025.
  • 556 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q2 2026.

Based on Aigen Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.