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
$1.32M Buy
29,400
+11,800
+67% +$565K ﹤0.01% 2203
2025
Q4
$695K Sell
17,600
-62,900
-78% -$2.24M ﹤0.01% 2981
2025
Q3
$2.29M Buy
80,500
+400
+0.5% +$9.63K ﹤0.01% 2184
2025
Q2
$1.68M Sell
80,100
-3,900
-5% -$72K ﹤0.01% 2264
2025
Q1
$1.52M Sell
84,000
-9,100
-10% -$206K ﹤0.01% 2292
2024
Q4
$2.39M Buy
93,100
+60,800
+188% +$1.67M ﹤0.01% 2033
2024
Q3
$988K Buy
32,300
+11,700
+57% +$398K ﹤0.01% 2933
2024
Q2
$824K Buy
20,600
+12,700
+161% +$421K ﹤0.01% 3117
2024
Q1
$254K Buy
7,900
+5,100
+182% +$162K ﹤0.01% 4591
2023
Q4
$93K Sell
2,800
-7,300
-72% -$192K ﹤0.01% 5453
2023
Q3
$228K Buy
10,100
+4,700
+87% +$124K ﹤0.01% 4204
2023
Q2
$160K Sell
5,400
-42,200
-89% -$1.03M ﹤0.01% 4554
2023
Q1
$1.24M Sell
47,600
-47,300
-50% -$1.29M ﹤0.01% 2389
2022
Q4
$2.27M Buy
94,900
+87,400
+1,165% +$2.03M ﹤0.01% 1770
2022
Q3
$127K Buy
7,500
+1,000
+15% +$19.2K ﹤0.01% 5197
2022
Q2
$110K Buy
6,500
+2,000
+44% +$38K ﹤0.01% 5450
2022
Q1
$97K Sell
4,500
-6,000
-57% -$136K ﹤0.01% 6184
2021
Q4
$260K Buy
10,500
+5,600
+114% +$130K ﹤0.01% 4782
2021
Q3
$113K Hold
4,900
﹤0.01% 6445
2021
Q2
$115K Buy
4,900
+4,817
+5,804% +$107K ﹤0.01% 6523
2021
Q1
$196K Sell
83
-14
-14% -$287 ﹤0.01% 4769
2020
Q4
$146K Sell
97
-80
-45% -$1.09K ﹤0.01% 5006
2020
Q3
$198K Buy
177
+62
+54% +$768 ﹤0.01% 4119
2020
Q2
$141K Buy
115
+60
+109% +$620 ﹤0.01% 4406
2020
Q1
$42K Buy
55
+19
+53% +$206 ﹤0.01% 5306
2019
Q4
$46K Buy
36
+22
+157% +$262 ﹤0.01% 5267
2019
Q3
$12K Buy
+14
New +$120 ﹤0.01% 6128
2019
Q1
Sell
-45
Closed -$29K 7069
2018
Q4
$29K Hold
45
﹤0.01% 5014
2018
Q3
$33K Buy
+45
New +$382 ﹤0.01% 5541
2017
Q1
Sell
-22
Closed -$2K 6087
2016
Q4
$2K Buy
+22
New +$234 ﹤0.01% 4965
2016
Q2
Sell
-12
Closed -$1K 5745
2016
Q1
$1K Sell
12
-50
-81% -$271 ﹤0.01% 4988
2015
Q4
$4K Buy
+62
New +$375 ﹤0.01% 3981

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.