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
2025
Q4
Sell
-11,611
Closed -$413K 8421
2025
Q3
$329K Sell
11,611
-1,943
-14% -$46.8K ﹤0.01% 4341
2025
Q2
$284K Buy
+13,554
New +$250K ﹤0.01% 4129
2025
Q1
Sell
-27,966
Closed -$632K 8430
2024
Q4
$718K Buy
+27,966
New +$769K ﹤0.01% 3182
2024
Q3
Sell
-30,704
Closed -$1.05M 8390
2024
Q2
$1.23M Buy
30,704
+17,818
+138% +$590K ﹤0.01% 2703
2024
Q1
$415K Sell
12,886
-28,519
-69% -$904K ﹤0.01% 4033
2023
Q4
$1.38M Buy
+41,405
New +$1.09M ﹤0.01% 2703
2023
Q2
Sell
-12,960
Closed -$315K 8879
2023
Q1
$337K Buy
12,960
+10,310
+389% +$282K ﹤0.01% 3690
2022
Q4
$63K Buy
+2,650
New +$61.4K ﹤0.01% 5577
2022
Q3
Sell
-1,744
Closed -$33.6K 9820
2022
Q2
$29K Buy
+1,744
New +$33.1K ﹤0.01% 7181
2021
Q1
Sell
-12,067
Closed -$247K 8712
2020
Q4
$181K Sell
12,067
-3,540
-23% -$48.2K ﹤0.01% 4745
2020
Q3
$174K Buy
+15,607
New +$193K ﹤0.01% 4285
2020
Q2
Sell
-2,235
Closed -$23.1K 7530
2020
Q1
$17K Buy
2,235
+1,547
+225% +$16.8K ﹤0.01% 6074
2019
Q4
$8K Buy
688
+196
+40% +$2.34K ﹤0.01% 6476
2019
Q3
$4K Buy
492
+221
+82% +$1.9K ﹤0.01% 6663
2019
Q2
$2K Buy
+271
New +$2.12K ﹤0.01% 6715
2019
Q1
Sell
-5,600
Closed -$46.3K 7068
2018
Q4
$36K Buy
+5,600
New +$36.9K ﹤0.01% 4830
2017
Q2
Sell
-12,746
Closed -$144K 6012
2017
Q1
$147K Buy
+12,746
New +$131K 0.01% 1442
2016
Q4
Sell
-47,901
Closed -$510K 5768
2016
Q3
$465K Buy
+47,901
New +$384K 0.03% 545
2016
Q2
Sell
-498
Closed -$2.91K 5744
2016
Q1
$2K Sell
498
-3,049
-86% -$16.6K ﹤0.01% 4652
2015
Q4
$21K Buy
3,547
+3,390
+2,159% +$20.5K ﹤0.01% 2631
2015
Q3
$0 Buy
+157
New +$772 ﹤0.01% 5446
2015
Q2
Sell
-127
Closed -$915 5111
2015
Q1
$1K Buy
+127
New +$1.03K ﹤0.01% 4370

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.