Twin Tree Management
AMKR icon

Twin Tree Management’s Amkor Technology AMKR Stock Holding History

Twin Tree 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
-71,600
Closed -$2.83M – 1262
2025
Q4 		$2.83M Buy
+71,600
New +$2.55M 0.02% 706
2024
Q4 		– Sell
-1,300
Closed -$39.8K – 1558
2024
Q3 		$39.8K Sell
1,300
-43,300
-97% -$1.47M ﹤0.01% 1400
2024
Q2 		$1.78M Hold
44,600
– – ﹤0.01% 983
2024
Q1 		$1.44M Buy
44,600
+44,000
+7,333% +$1.4M ﹤0.01% 1025
2023
Q4 		$20K Buy
+600
New +$15.8K ﹤0.01% 1311

Other funds holding AMKR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Twin Tree Management's AMKR Position: Q2 2026 in Review

Twin Tree Management reduced its Amkor Technology (AMKR) stake by 26% in Q2 2026, selling an estimated $336K and leaving 13,202 shares worth $1.14M. The position accounts for 0.02% of the portfolio, ranked #785.

Twin Tree Management first reported a position in AMKR in Q1 2021 and has held it in 15 quarters since. The position peaked at $4.63M in Q4 2025. 646 funds tracked by Wall St. Rank hold AMKR as of Q2 2026.

  • Twin Tree Management held 13,202 shares of Amkor Technology worth $1.14M as of Q2 2026.
  • Twin Tree Management sold 4,715 Amkor Technology shares in Q2 2026, an estimated $336K.
  • Amkor Technology made up 0.02% of Twin Tree Management's portfolio in Q2 2026, its #785 holding.
  • Twin Tree Management first reported a position in Amkor Technology in Q1 2021 and has held it in 15 quarters since.
  • Twin Tree Management's Amkor Technology position peaked at $4.63M in Q4 2025.
  • 646 funds tracked by Wall St. Rank held Amkor Technology as of Q2 2026.

Based on Twin Tree Management's 13F filing for Q2 2026, filed 12 Aug 2026.