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 $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
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
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Twin Tree Management's AMKR Position: Q1 2026 in Review

Twin Tree Management reduced its Amkor Technology (AMKR) stake by 85% in Q1 2026, selling an estimated $4.76M and leaving 17,917 shares worth $807K. The position accounts for 0.02% of the portfolio, ranked #808.

Twin Tree Management first reported a position in AMKR in Q1 2021 and has held it in 14 quarters since. The position peaked at $4.63M in Q4 2025. 527 funds tracked by Wall St. Rank hold AMKR as of Q1 2026.

  • Twin Tree Management held 17,917 shares of Amkor Technology worth $807K as of Q1 2026.
  • Twin Tree Management sold 99,444 Amkor Technology shares in Q1 2026, an estimated $4.76M.
  • Amkor Technology made up 0.02% of Twin Tree Management's portfolio in Q1 2026, its #808 holding.
  • Twin Tree Management first reported a position in Amkor Technology in Q1 2021 and has held it in 14 quarters since.
  • Twin Tree Management's Amkor Technology position peaked at $4.63M in Q4 2025.
  • 527 funds tracked by Wall St. Rank held Amkor Technology as of Q1 2026.

Based on Twin Tree Management's 13F filing for Q1 2026, filed 14 May 2026.