Marshall Wace
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Marshall Wace’s Amkor Technology AMKR Stock Holding History

Marshall Wace’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
Q2 		– Sell
-6,225
Closed -$280K – 3136
2026
Q1 		$280K Buy
+6,225
New +$298K ﹤0.01% 2671
2025
Q3 		– Sell
-76,923
Closed -$1.61M – 2858
2025
Q2 		$1.61M Buy
76,923
+45,206
+143% +$834K ﹤0.01% 1659
2025
Q1 		$573K Buy
31,717
+4,000
+14% +$90.3K ﹤0.01% 2026
2024
Q4 		$712K Buy
+27,717
New +$762K ﹤0.01% 1888
2024
Q3 		– Sell
-274,989
Closed -$11M – 2462
2024
Q2 		$11M Sell
274,989
-51,734
-16% -$1.71M 0.01% 691
2024
Q1 		$10.5M Sell
326,723
-500,180
-60% -$15.9M 0.02% 732
2023
Q4 		$27.5M Sell
826,903
-203,761
-20% -$5.36M 0.05% 376
2023
Q3 		$23.3M Buy
+1,030,664
New +$27.2M 0.05% 388
2022
Q2 		– Sell
-244,042
Closed -$5.3M – 3385
2022
Q1 		$5.3M Buy
+244,042
New +$5.52M 0.01% 1316
2021
Q4 		– Sell
-10,528
Closed -$263K – 3831
2021
Q3 		$263K Buy
+10,528
New +$269K ﹤0.01% 2702
2020
Q4 		– Sell
-44,728
Closed -$501K – 1848
2020
Q3 		$501K Sell
44,728
-186,868
-81% -$2.31M ﹤0.01% 1245
2020
Q2 		$2.85M Sell
231,596
-119,916
-34% -$1.24M 0.02% 655
2020
Q1 		$2.74M Sell
351,512
-667,989
-66% -$7.26M 0.03% 530
2019
Q4 		$13.3M Buy
1,019,501
+481,670
+90% +$5.75M 0.09% 255
2019
Q3 		$4.89M Buy
+537,831
New +$4.61M 0.04% 513
2017
Q2 		– Sell
-97,137
Closed -$1.17M – 308
2017
Q1 		$1.17M Buy
+97,137
New +$1M 0.06% 195
2016
Q4 		– Sell
-119,009
Closed -$1.16M – 960
2016
Q3 		$1.16M Buy
+119,009
New +$953K 0.01% 698

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

Marshall Wace's AMKR Position: Q2 2026 in Review

Marshall Wace sold out of Amkor Technology (AMKR) in Q2 2026, closing a stake of 6,225 shares — an estimated $280K sold.

Marshall Wace first reported a position in AMKR in Q3 2016 and held it in 17 quarters. The position peaked at $27.5M in Q4 2023. 645 funds tracked by Wall St. Rank hold AMKR as of Q2 2026.

  • Marshall Wace reported no remaining Amkor Technology position as of Q2 2026 after selling out during the quarter.
  • Marshall Wace sold 6,225 Amkor Technology shares in Q2 2026, an estimated $280K.
  • Marshall Wace first reported a position in Amkor Technology in Q3 2016 and held it in 17 quarters.
  • Marshall Wace's Amkor Technology position peaked at $27.5M in Q4 2023.
  • 645 funds tracked by Wall St. Rank held Amkor Technology as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.