Ken Griffin
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Ken Griffin’s Westamerica Bancorp WABC Stock Holding History

Ken Griffin’s Portfolio WABC Stock Details WABC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-2,500
Closed -$127K – 15323
2025
Q1 		$127K Buy
2,500
+2,000
+400% +$102K ﹤0.01% 11137
2024
Q4 		$26.2K Buy
500
+400
+400% +$21.4K ﹤0.01% 12989
2024
Q3 		$4.94K Sell
100
-800
-89% -$40.7K ﹤0.01% 13530
2024
Q2 		$43.7K Buy
900
+200
+29% +$9.56K ﹤0.01% 11914
2024
Q1 		$34.2K Buy
+700
New +$33.9K ﹤0.01% 12559
2023
Q3 		– Sell
-1,500
Closed -$57.5K – 15212
2023
Q2 		$57.5K Sell
1,500
-700
-32% -$28K ﹤0.01% 11642
2023
Q1 		$97.5K Buy
2,200
+1,100
+100% +$59.2K ﹤0.01% 11304
2022
Q4 		$64.9K Buy
+1,100
New +$64.6K ﹤0.01% 11804
2020
Q4 		– Sell
-4,500
Closed -$245K – 11591
2020
Q3 		$245K Buy
+4,500
New +$263K ﹤0.01% 8478
2019
Q1 		– Sell
-4,500
Closed -$251K – 9927
2018
Q4 		$251K Sell
4,500
-2,600
-37% -$153K ﹤0.01% 7542
2018
Q3 		$427K Buy
+7,100
New +$436K ﹤0.01% 6951
2016
Q1 		– Sell
-2,300
Closed -$108K – 8060
2015
Q4 		$108K Sell
2,300
-2,600
-53% -$121K ﹤0.01% 6599
2015
Q3 		$218K Sell
4,900
-3,200
-40% -$152K ﹤0.01% 6032
2015
Q2 		$410K Buy
8,100
+6,100
+305% +$281K ﹤0.01% 5281
2015
Q1 		$86K Buy
2,000
+1,000
+100% +$43.6K ﹤0.01% 6972
2014
Q4 		$49K Buy
+1,000
New +$48.1K ﹤0.01% 7213
2014
Q2 		– Sell
-600
Closed -$32K – 8342
2014
Q1 		$32K Sell
600
-1,500
-71% -$78.1K ﹤0.01% 7050
2013
Q4 		$119K Buy
2,100
+1,500
+250% +$80K ﹤0.01% 5471
2013
Q3 		$30K Sell
600
-2,800
-82% -$135K ﹤0.01% 6040
2013
Q2 		$155K Buy
+3,400
New +$151K ﹤0.01% 4881

Other funds holding WABC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Ken Griffin's WABC Position: Q1 2026 in Review

Ken Griffin reduced its Westamerica Bancorp (WABC) stake by 41% in Q1 2026, selling an estimated $4.35M and leaving 124,582 shares worth $6.5M. The position accounts for ﹤0.01% of the portfolio, ranked #3923.

Ken Griffin first reported a position in WABC in Q2 2013 and has held it in 38 quarters since. The position peaked at $10.1M in Q4 2025. 204 funds tracked by Wall St. Rank hold WABC as of Q1 2026.

  • Ken Griffin held 124,582 shares of Westamerica Bancorp worth $6.5M as of Q1 2026.
  • Ken Griffin sold 85,818 Westamerica Bancorp shares in Q1 2026, an estimated $4.35M.
  • Westamerica Bancorp made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #3923 holding.
  • Ken Griffin first reported a position in Westamerica Bancorp in Q2 2013 and has held it in 38 quarters since.
  • Ken Griffin's Westamerica Bancorp position peaked at $10.1M in Q4 2025.
  • 204 funds tracked by Wall St. Rank held Westamerica Bancorp as of Q1 2026.

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