Jim Simons’s Amkor Technology AMKR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
Sell
-343,000
Closed -$9.74M 3211
2025
Q3
$9.74M Sell
343,000
-782,100
-70% -$18.8M 0.01% 1107
2025
Q2
$23.6M Sell
1,125,100
-244,600
-18% -$4.51M 0.03% 632
2025
Q1
$24.7M Buy
1,369,700
+998,000
+268% +$22.5M 0.04% 577
2024
Q4
$9.55M Buy
+371,700
New +$10.2M 0.01% 1045
2024
Q3
Sell
-151,300
Closed -$6.06M 3508
2024
Q2
$6.06M Buy
151,300
+144,100
+2,001% +$4.77M 0.01% 1188
2024
Q1
$232K Buy
+7,200
New +$228K ﹤0.01% 3180
2023
Q2
Sell
-378,100
Closed -$9.84M 3887
2023
Q1
$9.84M Buy
+378,100
New +$10.3M 0.01% 1093
2022
Q4
Sell
-36,000
Closed -$614K 4093
2022
Q3
$614K Sell
36,000
-17,600
-33% -$339K ﹤0.01% 2804
2022
Q2
$909K Sell
53,600
-392,800
-88% -$7.46M ﹤0.01% 2782
2022
Q1
$9.7M Buy
446,400
+233,100
+109% +$5.28M 0.01% 1145
2021
Q4
$5.29M Buy
+213,300
New +$4.96M 0.01% 1495
2021
Q1
Sell
-306,400
Closed -$4.62M 3283
2020
Q4
$4.62M Sell
306,400
-407,600
-57% -$5.55M 0.01% 1645
2020
Q3
$8M Sell
714,000
-214,700
-23% -$2.66M 0.01% 1292
2020
Q2
$11.4M Sell
928,700
-841,000
-48% -$8.68M 0.01% 1141
2020
Q1
$13.8M Sell
1,769,700
-625,000
-26% -$6.79M 0.01% 968
2019
Q4
$31.1M Buy
2,394,700
+31,300
+1% +$373K 0.02% 757
2019
Q3
$21.5M Sell
2,363,400
-16,900
-0.7% -$145K 0.02% 918
2019
Q2
$17.8M Buy
2,380,300
+1,107,105
+87% +$8.67M 0.02% 1038
2019
Q1
$10.9M Buy
1,273,195
+822,095
+182% +$6.8M 0.01% 1329
2018
Q4
$2.96M Sell
451,100
-221,400
-33% -$1.46M ﹤0.01% 2037
2018
Q3
$4.97M Sell
672,500
-351,800
-34% -$2.99M 0.01% 1805
2018
Q2
$8.8M Sell
1,024,300
-984,600
-49% -$8.98M 0.01% 1434
2018
Q1
$20.4M Buy
2,008,900
+6,500
+0.3% +$67.7K 0.02% 919
2017
Q4
$20.1M Sell
2,002,400
-292,200
-13% -$3.13M 0.02% 934
2017
Q3
$24.2M Sell
2,294,600
-584,200
-20% -$5.59M 0.03% 780
2017
Q2
$28.1M Sell
2,878,800
-946,300
-25% -$10.7M 0.04% 653
2017
Q1
$44.3M Sell
3,825,100
-649,200
-15% -$6.7M 0.06% 394
2016
Q4
$47.2M Buy
4,474,300
+527,100
+13% +$5.62M 0.07% 360
2016
Q3
$38.4M Buy
3,947,200
+824,900
+26% +$6.61M 0.07% 384
2016
Q2
$18M Buy
3,122,300
+407,800
+15% +$2.38M 0.03% 767
2016
Q1
$16M Buy
2,714,500
+1,151,600
+74% +$6.25M 0.03% 808
2015
Q4
$9.5M Sell
1,562,900
-338,300
-18% -$2.05M 0.02% 1022
2015
Q3
$8.54M Sell
1,901,200
-147,448
-7% -$725K 0.02% 1036
2015
Q2
$12.3M Sell
2,048,648
-161,152
-7% -$1.16M 0.03% 818
2015
Q1
$19.5M Sell
2,209,800
-220,586
-9% -$1.79M 0.04% 585
2014
Q4
$17.3M Sell
2,430,386
-260,114
-10% -$1.8M 0.04% 588
2014
Q3
$22.6M Buy
2,690,500
+1,047,297
+64% +$10.3M 0.06% 398
2014
Q2
$18.4M Buy
1,643,203
+477,722
+41% +$4.41M 0.04% 520
2014
Q1
$8M Buy
1,165,481
+270,881
+30% +$1.58M 0.02% 991
2013
Q4
$5.48M Buy
894,600
+402,700
+82% +$2.15M 0.01% 1129
2013
Q3
$2.11M Buy
491,900
+290,100
+144% +$1.24M 0.01% 1640
2013
Q2
$850K Buy
+201,800
New +$852K ﹤0.01% 2006

Other funds holding AMKR

Jim Simons's AMKR Position: Q4 2025 in Review

Jim Simons sold out of Amkor Technology (AMKR) in Q4 2025, closing a stake of 343,000 shares — an estimated $9.74M sold.

Jim Simons first reported a position in AMKR in Q2 2013 and held it in 42 quarters. The position peaked at $47.2M in Q4 2016. 455 funds tracked by Wall St. Rank hold AMKR as of Q4 2025.

  • Jim Simons reported no remaining Amkor Technology position as of Q4 2025 after selling out during the quarter.
  • Jim Simons sold 343,000 Amkor Technology shares in Q4 2025, an estimated $9.74M.
  • Jim Simons first reported a position in Amkor Technology in Q2 2013 and held it in 42 quarters.
  • Jim Simons's Amkor Technology position peaked at $47.2M in Q4 2016.
  • 455 funds tracked by Wall St. Rank held Amkor Technology as of Q4 2025.

Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.