Sumitomo Mitsui Trust Group
AMKR icon

Sumitomo Mitsui Trust Group’s Amkor Technology AMKR Stock Holding History

Sumitomo Mitsui Trust Group’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
Q3 		– Sell
-12,192
Closed -$256K – 1052
2025
Q2 		$256K Buy
12,192
+1,306
+12% +$24.1K ﹤0.01% 1003
2025
Q1 		$197K Buy
10,886
+1,423
+15% +$32.1K ﹤0.01% 1017
2024
Q4 		$243K Buy
9,463
+958
+11% +$26.4K ﹤0.01% 1013
2024
Q3 		$260K Buy
8,505
+1,191
+16% +$40.6K ﹤0.01% 1024
2024
Q2 		$293K Buy
+7,314
New +$242K ﹤0.01% 1012

Other funds holding AMKR

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
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
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
State Street
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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Sumitomo Mitsui Trust Group's AMKR Position: Q3 2025 in Review

Sumitomo Mitsui Trust Group sold out of Amkor Technology (AMKR) in Q3 2025, closing a stake of 12,192 shares — an estimated $256K sold.

Sumitomo Mitsui Trust Group first reported a position in AMKR in Q2 2024 and held it in 5 quarters. The position peaked at $293K in Q2 2024. 383 funds tracked by Wall St. Rank hold AMKR as of Q3 2025.

  • Sumitomo Mitsui Trust Group reported no remaining Amkor Technology position as of Q3 2025 after selling out during the quarter.
  • Sumitomo Mitsui Trust Group sold 12,192 Amkor Technology shares in Q3 2025, an estimated $256K.
  • Sumitomo Mitsui Trust Group first reported a position in Amkor Technology in Q2 2024 and held it in 5 quarters.
  • Sumitomo Mitsui Trust Group's Amkor Technology position peaked at $293K in Q2 2024.
  • 383 funds tracked by Wall St. Rank held Amkor Technology as of Q3 2025.

Based on Sumitomo Mitsui Trust Group's 13F filing for Q3 2025, filed 27 Oct 2025.