Arrowstreet Capital
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Arrowstreet Capital’s Westamerica Bancorp WABC Stock Holding History

Arrowstreet Capital’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
Q1 		$14.8M Sell
283,809
-11,579
-4% -$587K 0.01% 841
2025
Q4 		$14.1M Sell
295,388
-6,748
-2% -$324K 0.01% 830
2025
Q3 		$15.1M Sell
302,136
-7,817
-3% -$387K 0.01% 830
2025
Q2 		$15M Buy
309,953
+144,405
+87% +$6.92M 0.01% 780
2025
Q1 		$8.38M Buy
165,548
+7,164
+5% +$365K 0.01% 862
2024
Q4 		$8.31M Sell
158,384
-14,095
-8% -$754K 0.01% 874
2024
Q3 		$8.52M Sell
172,479
-4,388
-2% -$223K 0.01% 801
2024
Q2 		$8.58M Sell
176,867
-9,475
-5% -$453K 0.01% 687
2024
Q1 		$9.11M Buy
186,342
+57,918
+45% +$2.81M 0.01% 715
2023
Q4 		$7.24M Buy
128,424
+70,241
+121% +$3.48M 0.01% 645
2023
Q3 		$2.52M Buy
58,183
+23,453
+68% +$1.05M ﹤0.01% 803
2023
Q2 		$1.33M Buy
+34,730
New +$1.39M ﹤0.01% 915
2020
Q1 		– Sell
-32,238
Closed -$2.19M – 2141
2019
Q4 		$2.19M Buy
32,238
+11,500
+55% +$752K 0.01% 1115
2019
Q3 		$1.29M Sell
20,738
-5,780
-22% -$358K ﹤0.01% 1101
2019
Q2 		$1.63M Buy
+26,518
New +$1.65M ﹤0.01% 956

Other funds holding WABC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 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 $369B AUM 31.66% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Arrowstreet Capital's WABC Position: Q1 2026 in Review

Arrowstreet Capital reduced its Westamerica Bancorp (WABC) stake by 3.9% in Q1 2026, selling an estimated $587K and leaving 283,809 shares worth $14.8M. The position accounts for 0.01% of the portfolio, ranked #841.

Arrowstreet Capital first reported a position in WABC in Q2 2019 and has held it in 15 quarters since. The position peaked at $15.1M in Q3 2025. 204 funds tracked by Wall St. Rank hold WABC as of Q1 2026.

  • Arrowstreet Capital held 283,809 shares of Westamerica Bancorp worth $14.8M as of Q1 2026.
  • Arrowstreet Capital sold 11,579 Westamerica Bancorp shares in Q1 2026, an estimated $587K.
  • Westamerica Bancorp made up 0.01% of Arrowstreet Capital's portfolio in Q1 2026, its #841 holding.
  • Arrowstreet Capital first reported a position in Westamerica Bancorp in Q2 2019 and has held it in 15 quarters since.
  • Arrowstreet Capital's Westamerica Bancorp position peaked at $15.1M in Q3 2025.
  • 204 funds tracked by Wall St. Rank held Westamerica Bancorp as of Q1 2026.

Based on Arrowstreet Capital's 13F filing for Q1 2026, filed 14 May 2026.