Optiver Holding
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Optiver Holding’s Westamerica Bancorp WABC Stock Holding History

Optiver Holding’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
Q4 		– Sell
-128
Closed -$6.4K – 3048
2025
Q3 		$6.4K Buy
+128
New +$6.34K ﹤0.01% 1563

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American Century Companies
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State Street
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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
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 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
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Optiver Holding's WABC Position: Q4 2025 in Review

Optiver Holding sold out of Westamerica Bancorp (WABC) in Q4 2025, closing a stake of 128 shares — an estimated $6.4K sold.

Optiver Holding first reported a position in WABC in Q3 2025 and held it in 1 quarter. The position peaked at $6.4K in Q3 2025. 216 funds tracked by Wall St. Rank hold WABC as of Q4 2025.

  • Optiver Holding reported no remaining Westamerica Bancorp position as of Q4 2025 after selling out during the quarter.
  • Optiver Holding sold 128 Westamerica Bancorp shares in Q4 2025, an estimated $6.4K.
  • Optiver Holding first reported a position in Westamerica Bancorp in Q3 2025 and held it in 1 quarter.
  • Optiver Holding's Westamerica Bancorp position peaked at $6.4K in Q3 2025.
  • 216 funds tracked by Wall St. Rank held Westamerica Bancorp as of Q4 2025.

Based on Optiver Holding's 13F filing for Q4 2025, filed 17 Feb 2026.