Simplex Trading’s Amkor Technology AMKR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$4.24M Sell
94,100
-141,800
-60% -$6.79M ﹤0.01% 1218
2025
Q4
$9.31M Buy
235,900
+82,200
+53% +$2.93M 0.01% 895
2025
Q3
$4.37M Buy
153,700
+95,700
+165% +$2.3M ﹤0.01% 1598
2025
Q2
$1.22M Sell
58,000
-45,000
-44% -$830K ﹤0.01% 2580
2025
Q1
$1.86M Buy
103,000
+69,400
+207% +$1.57M ﹤0.01% 2095
2024
Q4
$863K Sell
33,600
-18,800
-36% -$517K ﹤0.01% 2990
2024
Q3
$1.6M Buy
52,400
+12,400
+31% +$422K ﹤0.01% 2473
2024
Q2
$1.6M Sell
40,000
-21,000
-34% -$695K ﹤0.01% 2418
2024
Q1
$1.97M Buy
61,000
+49,100
+413% +$1.56M ﹤0.01% 2413
2023
Q4
$395K Buy
11,900
+200
+2% +$5.26K ﹤0.01% 3947
2023
Q3
$264K Sell
11,700
-3,600
-24% -$94.9K ﹤0.01% 4064
2023
Q2
$455K Buy
15,300
+7,100
+87% +$173K ﹤0.01% 3412
2023
Q1
$213K Sell
8,200
-51,100
-86% -$1.4M ﹤0.01% 4245
2022
Q4
$1.42M Buy
59,300
+49,100
+481% +$1.14M ﹤0.01% 2142
2022
Q3
$173K Sell
10,200
-1,900
-16% -$36.6K ﹤0.01% 4795
2022
Q2
$205K Sell
12,100
-12,100
-50% -$230K ﹤0.01% 4564
2022
Q1
$525K Buy
24,200
+7,100
+42% +$161K ﹤0.01% 3784
2021
Q4
$423K Buy
17,100
+1,200
+8% +$27.9K ﹤0.01% 4046
2021
Q3
$369K Buy
15,900
+1,600
+11% +$40.8K ﹤0.01% 4562
2021
Q2
$338K Buy
14,300
+13,604
+1,955% +$303K ﹤0.01% 4769
2021
Q1
$1.65M Buy
696
+529
+317% +$10.8K ﹤0.01% 1842
2020
Q4
$251K Buy
167
+44
+36% +$599 ﹤0.01% 4302
2020
Q3
$137K Sell
123
-507
-80% -$6.28K ﹤0.01% 4559
2020
Q2
$775K Buy
630
+288
+84% +$2.97K ﹤0.01% 2387
2020
Q1
$266K Buy
342
+248
+264% +$2.69K ﹤0.01% 3262
2019
Q4
$122K Buy
94
+92
+4,600% +$1.1K ﹤0.01% 4302
2019
Q3
$1K Sell
2
-7
-78% -$60 ﹤0.01% 7008
2019
Q2
$6K Sell
9
-2
-18% -$16 ﹤0.01% 6346
2019
Q1
$9K Buy
+11
New +$91 ﹤0.01% 6186
2018
Q4
Sell
-2
Closed -$1K 6922
2018
Q3
$1K Sell
2
-47
-96% -$399 ﹤0.01% 7163
2018
Q2
$42K Buy
49
+24
+96% +$219 ﹤0.01% 5224
2018
Q1
$2K Buy
+25
New +$260 ﹤0.01% 5179
2017
Q2
Sell
-92
Closed -$6K 6011
2017
Q1
$6K Sell
92
-47
-34% -$485 ﹤0.01% 4390
2016
Q4
$5K Buy
139
+65
+88% +$692 ﹤0.01% 4298
2016
Q3
$8K Sell
74
-45
-38% -$360 ﹤0.01% 3782
2016
Q2
$3K Buy
+119
New +$694 ﹤0.01% 4580

Other funds holding AMKR

Simplex Trading's AMKR Position: Q4 2025 in Review

Simplex Trading sold out of Amkor Technology (AMKR) in Q4 2025, closing a stake of 11,611 shares — an estimated $413K sold.

Simplex Trading first reported a position in AMKR in Q1 2015 and held it in 22 quarters. The position peaked at $1.38M in Q4 2023. 455 funds tracked by Wall St. Rank hold AMKR as of Q4 2025.

  • Simplex Trading reported no remaining Amkor Technology position as of Q4 2025 after selling out during the quarter.
  • Simplex Trading sold 11,611 Amkor Technology shares in Q4 2025, an estimated $413K.
  • Simplex Trading first reported a position in Amkor Technology in Q1 2015 and held it in 22 quarters.
  • Simplex Trading's Amkor Technology position peaked at $1.38M in Q4 2023.
  • 455 funds tracked by Wall St. Rank held Amkor Technology as of Q4 2025.

Based on Simplex Trading's 13F filing for Q4 2025, filed 11 Feb 2026.