Parallax Volatility Advisers’s Amkor Technology AMKR Stock Holding History

Parallax Volatility Advisers’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 Q2	–	Sell	-83,200	Closed	-$1.5M	–	1548
2025 Q1	$1.5M	Hold	83,200	–	–	﹤0.01%	948
2024 Q4	$2.14M	Buy	+83,200	New	+$2.29M	﹤0.01%	1116
2020 Q4	–	Sell	-50,000	Closed	-$560K	–	2291
2020 Q3	$560K	Buy	+50,000	New	+$619K	﹤0.01%	2206
2015 Q2	–	Sell	-3,000	Closed	-$27K	–	3548
2015 Q1	$27K	Sell	3,000 -25,000	-89%	-$203K	﹤0.01%	3402
2014 Q4	$199K	Buy	28,000 +26,000	+1,300%	+$180K	﹤0.01%	2849
2014 Q3	$17K	Sell	2,000 -2,100	-51%	-$20.8K	﹤0.01%	3757
2014 Q2	$45K	Buy	+4,100	New	+$37.8K	﹤0.01%	3023

Other funds holding AMKR

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return

EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

SIM

SW Investment Management Telluride, Colorado $451M AUM 79.06% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return

Parallax Volatility Advisers's AMKR Position: Q2 2025 in Review

Parallax Volatility Advisers sold out of Amkor Technology (AMKR) in Q2 2025, closing a stake of 81,507 shares — an estimated $1.47M sold.

Parallax Volatility Advisers first reported a position in AMKR in Q2 2014 and held it in 15 quarters. The position peaked at $1.47M in Q1 2025. 348 funds tracked by Wall St. Rank hold AMKR as of Q2 2025.

Parallax Volatility Advisers reported no remaining Amkor Technology position as of Q2 2025 after selling out during the quarter.
Parallax Volatility Advisers sold 81,507 Amkor Technology shares in Q2 2025, an estimated $1.47M.
Parallax Volatility Advisers first reported a position in Amkor Technology in Q2 2014 and held it in 15 quarters.
Parallax Volatility Advisers's Amkor Technology position peaked at $1.47M in Q1 2025.
348 funds tracked by Wall St. Rank held Amkor Technology as of Q2 2025.

Based on Parallax Volatility Advisers's 13F filing for Q2 2025, filed 14 Aug 2025.