Optiver Holding’s Amkor Technology AMKR Stock Holding History

Optiver Holding’s Portfolio AMKR Stock Details AMKR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-156	Closed	-$4.43K	–	2469
2025 Q3	$4.43K	Buy	+156	New	+$3.75K	﹤0.01%	1847

Other funds holding AMKR

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return

LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

Optiver Holding's AMKR Position: Q4 2025 in Review

Optiver Holding sold out of Amkor Technology (AMKR) in Q4 2025, closing a stake of 156 shares — an estimated $4.43K sold.

Optiver Holding first reported a position in AMKR in Q3 2025 and held it in 1 quarter. The position peaked at $4.43K in Q3 2025. 455 funds tracked by Wall St. Rank hold AMKR as of Q4 2025.

Optiver Holding reported no remaining Amkor Technology position as of Q4 2025 after selling out during the quarter.
Optiver Holding sold 156 Amkor Technology shares in Q4 2025, an estimated $4.43K.
Optiver Holding first reported a position in Amkor Technology in Q3 2025 and held it in 1 quarter.
Optiver Holding's Amkor Technology position peaked at $4.43K in Q3 2025.
455 funds tracked by Wall St. Rank held Amkor Technology as of Q4 2025.

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