Simplex Trading’s MKS Inc MKSI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$46K Sell
200
-900
-82% -$204K ﹤0.01% 5965
2025
Q4
$176K Sell
1,100
-5,300
-83% -$786K ﹤0.01% 4357
2025
Q3
$792K Hold
6,400
﹤0.01% 3289
2025
Q2
$635K Sell
6,400
-5,300
-45% -$431K ﹤0.01% 3250
2025
Q1
$937K Buy
11,700
+11,100
+1,850% +$1.12M ﹤0.01% 2758
2024
Q4
$62K Sell
600
-6,200
-91% -$669K ﹤0.01% 5648
2024
Q3
$739K Sell
6,800
-4,700
-41% -$558K ﹤0.01% 3211
2024
Q2
$1.5M Buy
11,500
+5,000
+77% +$631K ﹤0.01% 2484
2024
Q1
$864K Buy
6,500
+1,400
+27% +$163K ﹤0.01% 3275
2023
Q4
$524K Buy
5,100
+300
+6% +$24.4K ﹤0.01% 3652
2023
Q3
$415K Buy
4,800
+3,300
+220% +$322K ﹤0.01% 3597
2023
Q2
$162K Sell
1,500
-2,600
-63% -$238K ﹤0.01% 4541
2023
Q1
$363K Buy
4,100
+2,100
+105% +$200K ﹤0.01% 3610
2022
Q4
$169K Sell
2,000
-4,500
-69% -$361K ﹤0.01% 4430
2022
Q3
$537K Buy
6,500
+6,000
+1,200% +$618K ﹤0.01% 3390
2022
Q2
$51K Sell
500
-26,800
-98% -$3.12M ﹤0.01% 6472
2022
Q1
$4.09M Buy
27,300
+4,200
+18% +$653K ﹤0.01% 1420
2021
Q4
$4.02M Buy
23,100
+2,400
+12% +$375K ﹤0.01% 1388
2021
Q3
$3.53M Hold
20,700
﹤0.01% 1515
2021
Q2
$3.68M Buy
20,700
+20,661
+52,977% +$3.75M ﹤0.01% 1469
2021
Q1
$723K Sell
39
-130
-77% -$21.8K ﹤0.01% 2838
2020
Q4
$2.54M Buy
169
+146
+635% +$19.1K ﹤0.01% 1526
2020
Q3
$251K Buy
23
+11
+92% +$1.29K ﹤0.01% 3820
2020
Q2
$135K Sell
12
-17
-59% -$1.69K ﹤0.01% 4459
2020
Q1
$236K Sell
29
-10
-26% -$1.02K ﹤0.01% 3404
2019
Q4
$429K Sell
39
-49
-56% -$5.13K ﹤0.01% 2901
2019
Q3
$812K Sell
88
-3
-3% -$248 ﹤0.01% 2142
2019
Q2
$708K Buy
91
+31
+52% +$2.62K ﹤0.01% 2248
2019
Q1
$558K Sell
60
-5
-8% -$403 ﹤0.01% 2546
2018
Q4
$419K Sell
65
-74
-53% -$5.35K ﹤0.01% 2396
2018
Q3
$1.11M Sell
139
-12
-8% -$1.1K ﹤0.01% 1779
2018
Q2
$1.45M Buy
151
+74
+96% +$8.07K 0.01% 1427
2018
Q1
$8K Sell
77
-178
-70% -$19.5K ﹤0.01% 4229
2017
Q4
$92K Sell
255
-105
-29% -$10.5K ﹤0.01% 1869
2017
Q3
$2K Buy
360
+53
+17% +$4.33K ﹤0.01% 5105
2017
Q2
$34K Buy
307
+295
+2,458% +$22.3K ﹤0.01% 2758
2017
Q1
$7K Buy
+12
New +$790 ﹤0.01% 4306
2015
Q4
Sell
-11
Closed -$2K 5838
2015
Q3
$2K Buy
+11
New +$383 ﹤0.01% 4661

Other funds holding MKSI

Simplex Trading's MKSI Position: Q2 2025 in Review

Simplex Trading sold out of MKS Inc (MKSI) in Q2 2025, closing a stake of 1,731 shares — an estimated $141K sold.

Simplex Trading first reported a position in MKSI in Q4 2014 and held it in 21 quarters. The position peaked at $969K in Q4 2017. 394 funds tracked by Wall St. Rank hold MKSI as of Q2 2025.

  • Simplex Trading reported no remaining MKS Inc position as of Q2 2025 after selling out during the quarter.
  • Simplex Trading sold 1,731 MKS Inc shares in Q2 2025, an estimated $141K.
  • Simplex Trading first reported a position in MKS Inc in Q4 2014 and held it in 21 quarters.
  • Simplex Trading's MKS Inc position peaked at $969K in Q4 2017.
  • 394 funds tracked by Wall St. Rank held MKS Inc as of Q2 2025.

Based on Simplex Trading's 13F filing for Q2 2025, filed 5 Aug 2025.