Marshall Wace
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Marshall Wace’s Westamerica Bancorp WABC Stock Holding History

Marshall Wace’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 		– Sell
-7,900
Closed -$412K – 3804
2026
Q1 		$412K Sell
7,900
-3,228
-29% -$164K ﹤0.01% 2532
2025
Q4 		$532K Buy
+11,128
New +$534K ﹤0.01% 2215
2025
Q3 		– Sell
-19,455
Closed -$942K – 3462
2025
Q2 		$942K Buy
+19,455
New +$932K ﹤0.01% 1879
2023
Q4 		– Sell
-15,809
Closed -$684K – 2651
2023
Q3 		$684K Sell
15,809
-87,839
-85% -$3.93M ﹤0.01% 1618
2023
Q2 		$3.97M Buy
103,648
+8,742
+9% +$350K 0.01% 1120
2023
Q1 		$4.2M Sell
94,906
-38,208
-29% -$2.05M 0.01% 1082
2022
Q4 		$7.86M Buy
133,114
+76,635
+136% +$4.5M 0.02% 934
2022
Q3 		$2.95M Buy
56,479
+21,561
+62% +$1.23M 0.01% 1759
2022
Q2 		$1.94M Buy
+34,918
New +$2.05M ﹤0.01% 2020
2021
Q4 		– Sell
-15,817
Closed -$890K – 4316
2021
Q3 		$890K Buy
+15,817
New +$889K ﹤0.01% 2090
2021
Q2 		– Sell
-61,985
Closed -$3.89M – 3136
2021
Q1 		$3.89M Sell
61,985
-49,006
-44% -$2.98M 0.02% 974
2020
Q4 		$6.14M Sell
110,991
-8,316
-7% -$458K 0.03% 498
2020
Q3 		$6.48M Sell
119,307
-663
-0.6% -$38.8K 0.04% 429
2020
Q2 		$6.89M Buy
+119,970
New +$6.98M 0.05% 388
2015
Q3 		– Sell
-22,000
Closed -$1.11M – 1076
2015
Q2 		$1.11M Buy
+22,000
New +$1.01M 0.01% 582
2014
Q3 		– Sell
-5,000
Closed -$261K – 1058
2014
Q2 		$261K Buy
+5,000
New +$255K ﹤0.01% 790

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 $3.37T AUM 44.26% 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

Marshall Wace's WABC Position: Q2 2026 in Review

Marshall Wace sold out of Westamerica Bancorp (WABC) in Q2 2026, closing a stake of 7,900 shares — an estimated $412K sold.

Marshall Wace first reported a position in WABC in Q2 2014 and held it in 16 quarters. The position peaked at $7.86M in Q4 2022. 215 funds tracked by Wall St. Rank hold WABC as of Q2 2026.

  • Marshall Wace reported no remaining Westamerica Bancorp position as of Q2 2026 after selling out during the quarter.
  • Marshall Wace sold 7,900 Westamerica Bancorp shares in Q2 2026, an estimated $412K.
  • Marshall Wace first reported a position in Westamerica Bancorp in Q2 2014 and held it in 16 quarters.
  • Marshall Wace's Westamerica Bancorp position peaked at $7.86M in Q4 2022.
  • 215 funds tracked by Wall St. Rank held Westamerica Bancorp as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.