Acadian Asset Management
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Acadian Asset Management’s Westamerica Bancorp WABC Stock Holding History

Acadian Asset Management’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
2026
Q2 		$2.65M Buy
+45,303
New +$2.51M ﹤0.01% 1002
2023
Q2 		– Sell
-10,449
Closed -$462K – 1928
2023
Q1 		$462K Sell
10,449
-20,052
-66% -$1.08M ﹤0.01% 1068
2022
Q4 		$1.8M Buy
30,501
+12,029
+65% +$707K 0.01% 703
2022
Q3 		$965K Buy
18,472
+6,994
+61% +$399K 0.01% 814
2022
Q2 		$639K Hold
11,478
– – ﹤0.01% 910
2022
Q1 		$693K Buy
11,478
+590
+5% +$35.2K ﹤0.01% 908
2021
Q4 		$628K Hold
10,888
– – ﹤0.01% 947
2021
Q3 		$612K Sell
10,888
-19,963
-65% -$1.12M ﹤0.01% 989
2021
Q2 		$1.79M Sell
30,851
-14,253
-32% -$890K 0.01% 744
2021
Q1 		$2.83M Buy
45,104
+5,653
+14% +$344K 0.01% 636
2020
Q4 		$2.18M Buy
39,451
+2,307
+6% +$127K 0.01% 732
2020
Q3 		$2.02M Sell
37,144
-10,628
-22% -$622K 0.01% 665
2020
Q2 		$2.75M Hold
47,772
– – 0.01% 645
2020
Q1 		$2.81M Buy
47,772
+16,474
+53% +$1.02M 0.02% 511
2019
Q4 		$2.12M Buy
31,298
+3,732
+14% +$244K 0.01% 670
2019
Q3 		$1.71M Buy
27,566
+1,032
+4% +$64K 0.01% 732
2019
Q2 		$1.63M Buy
26,534
+19,812
+295% +$1.23M 0.01% 677
2019
Q1 		$415K Buy
+6,722
New +$417K ﹤0.01% 1149

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
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Capital Management
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 $287B AUM 42.33% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return
RIP
Rhino Investment Partners West Conshohocken, Pennsylvania $331M AUM 34.26% 1-Year Est. Return

Acadian Asset Management's WABC Position: Q2 2026 in Review

Acadian Asset Management opened a new position in Westamerica Bancorp (WABC) in Q2 2026: 45,303 shares worth $2.65M. The stake represents ﹤0.01% of the portfolio and ranks #1002 among its holdings. This is a return to the name: Acadian Asset Management previously reported a position in WABC as recently as Q1 2023.

Acadian Asset Management first reported a position in WABC in Q1 2019 and has held it in 18 quarters since. The position peaked at $2.83M in Q1 2021. 214 funds tracked by Wall St. Rank hold WABC as of Q2 2026.

  • Acadian Asset Management held 45,303 shares of Westamerica Bancorp worth $2.65M as of Q2 2026.
  • Westamerica Bancorp was a new Acadian Asset Management position in Q2 2026.
  • Westamerica Bancorp made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #1002 holding.
  • Acadian Asset Management first reported a position in Westamerica Bancorp in Q1 2019 and has held it in 18 quarters since.
  • Acadian Asset Management's Westamerica Bancorp position peaked at $2.83M in Q1 2021.
  • 214 funds tracked by Wall St. Rank held Westamerica Bancorp as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.