Picton Mahoney Asset Management’s Amkor Technology AMKR Stock Holding History

Picton Mahoney Asset Management’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
2026 Q1	–	Sell	-232,949	Closed	-$9.2M	–	1250
2025 Q4	$9.2M	Buy	+232,949	New	+$8.29M	0.07%	222
2024 Q3	–	Sell	-3,392	Closed	-$136K	–	849
2024 Q2	$136K	Buy	+3,392	New	+$112K	0.01%	332
2014 Q3	–	Sell	-138,700	Closed	-$1.55K	–	309
2014 Q2	$1.55K	Sell	138,700 -92,500	-40%	-$853K	0.09%	142
2014 Q1	$1.59M	Hold	231,200	–	–	0.09%	151
2013 Q4	$1.42M	Sell	231,200 -16,700	-7%	-$89.1K	0.08%	168
2013 Q3	$1.06M	Buy	247,900 +92,500	+60%	+$397K	0.07%	177
2013 Q2	$654K	Buy	+155,400	New	+$656K	0.05%	199

Other funds holding AMKR

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

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

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

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

Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Picton Mahoney Asset Management's AMKR Position: Q1 2026 in Review

Picton Mahoney Asset Management sold out of Amkor Technology (AMKR) in Q1 2026, closing a stake of 232,949 shares — an estimated $9.2M sold.

Picton Mahoney Asset Management first reported a position in AMKR in Q2 2013 and held it in 7 quarters. The position peaked at $9.2M in Q4 2025. 528 funds tracked by Wall St. Rank hold AMKR as of Q1 2026.

Picton Mahoney Asset Management reported no remaining Amkor Technology position as of Q1 2026 after selling out during the quarter.
Picton Mahoney Asset Management sold 232,949 Amkor Technology shares in Q1 2026, an estimated $9.2M.
Picton Mahoney Asset Management first reported a position in Amkor Technology in Q2 2013 and held it in 7 quarters.
Picton Mahoney Asset Management's Amkor Technology position peaked at $9.2M in Q4 2025.
528 funds tracked by Wall St. Rank held Amkor Technology as of Q1 2026.

Based on Picton Mahoney Asset Management's 13F filing for Q1 2026, filed 13 May 2026.