Walleye 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 | $230K | Sell |
1,000
-2,500
| -71% | -$565K | ﹤0.01% | 3042 |
|
|
2025
Q4 | $559K | Buy |
3,500
+1,500
| +75% | +$223K | ﹤0.01% | 2754 |
|
|
2025
Q3 | $248K | Sell |
2,000
-51,300
| -96% | -$5.47M | ﹤0.01% | 3218 |
|
|
2025
Q2 | $5.3M | Buy |
53,300
+47,200
| +774% | +$3.84M | 0.01% | 1174 |
|
|
2025
Q1 | $489K | Sell |
6,100
-1,400
| -19% | -$141K | ﹤0.01% | 2526 |
|
|
2024
Q4 | $783K | Buy |
7,500
+800
| +12% | +$86.3K | ﹤0.01% | 2307 |
|
|
2024
Q3 | $728K | Buy |
6,700
+5,300
| +379% | +$630K | ﹤0.01% | 2284 |
|
|
2024
Q2 | $183K | Sell |
1,400
-8,100
| -85% | -$1.02M | ﹤0.01% | 3140 |
|
|
2024
Q1 | $1.26M | Sell |
9,500
-4,700
| -33% | -$546K | ﹤0.01% | 2055 |
|
|
2023
Q4 | $1.46M | Sell |
14,200
-21,900
| -61% | -$1.78M | ﹤0.01% | 2171 |
|
|
2023
Q3 | $3.12M | Sell |
36,100
-9,200
| -20% | -$897K | 0.01% | 1444 |
|
|
2023
Q2 | $4.9M | Buy |
45,300
+39,100
| +631% | +$3.58M | 0.01% | 975 |
|
|
2023
Q1 | $549K | Sell |
6,200
-3,700
| -37% | -$353K | ﹤0.01% | 2720 |
|
|
2022
Q4 | $839K | Sell |
9,900
-5,000
| -34% | -$401K | ﹤0.01% | 2371 |
|
|
2022
Q3 | $1.23M | Buy |
14,900
+12,100
| +432% | +$1.25M | ﹤0.01% | 2087 |
|
|
2022
Q2 | $287K | Buy |
2,800
+1,500
| +115% | +$175K | ﹤0.01% | 3416 |
|
|
2022
Q1 | $195K | Sell |
1,300
-600
| -32% | -$93.2K | ﹤0.01% | 3816 |
|
|
2021
Q4 | $331K | Sell |
1,900
-5,800
| -75% | -$907K | ﹤0.01% | 3399 |
|
|
2021
Q3 | $1.16M | Sell |
7,700
-1,700
| -18% | -$261K | ﹤0.01% | 2060 |
|
|
2021
Q2 | $1.67M | Buy |
9,400
+1,000
| +12% | +$182K | 0.01% | 1645 |
|
|
2021
Q1 | $1.56M | Sell |
8,400
-30,100
| -78% | -$5.06M | 0.01% | 1537 |
|
|
2020
Q4 | $5.79M | Buy |
38,500
+31,700
| +466% | +$4.15M | 0.03% | 635 |
|
|
2020
Q3 | $743K | Sell |
6,800
-4,600
| -40% | -$539K | ﹤0.01% | 1896 |
|
|
2020
Q2 | $1.29M | Buy |
11,400
+6,500
| +133% | +$647K | 0.01% | 1448 |
|
|
2020
Q1 | $399K | Sell |
4,900
-10,800
| -69% | -$1.11M | ﹤0.01% | 2043 |
|
|
2019
Q4 | $1.73M | Buy |
+15,700
| New | +$1.64M | 0.01% | 1335 |
|
|
2019
Q3 | – | Sell |
-3,400
| Closed | -$265K | – | 4272 |
|
|
2019
Q2 | $265K | Sell |
3,400
-8,400
| -71% | -$710K | ﹤0.01% | 2724 |
|
|
2019
Q1 | $1.1M | Buy |
11,800
+7,900
| +203% | +$637K | 0.01% | 1566 |
|
|
2018
Q4 | $252K | Sell |
3,900
-9,100
| -70% | -$658K | ﹤0.01% | 3157 |
|
|
2018
Q3 | $1.04M | Buy |
13,000
+9,800
| +306% | +$895K | 0.01% | 2021 |
|
|
2018
Q2 | $306K | Buy |
3,200
+900
| +39% | +$98.2K | ﹤0.01% | 3271 |
|
|
2018
Q1 | $266K | Sell |
2,300
-800
| -26% | -$87.8K | ﹤0.01% | 3221 |
|
|
2017
Q4 | $293 | Buy |
3,100
+2,000
| +182% | +$199K | ﹤0.01% | 3101 |
|
|
2017
Q3 | $102 | Sell |
1,100
-3,100
| -74% | -$253K | ﹤0.01% | 3598 |
|
|
2017
Q2 | $282 | Buy |
+4,200
| New | +$318K | ﹤0.01% | 2862 |
|
|
2016
Q2 | – | Sell |
-700
| Closed | -$27K | – | 5573 |
|
|
2016
Q1 | $27K | Buy |
700
+100
| +17% | +$3.42K | ﹤0.01% | 4284 |
|
|
2015
Q4 | $22K | Sell |
600
-7,300
| -92% | -$260K | ﹤0.01% | 4361 |
|
|
2015
Q3 | $266K | Buy |
7,900
+7,600
| +2,533% | +$264K | ﹤0.01% | 2094 |
|
|
2015
Q2 | $12K | Sell |
300
-100
| -25% | -$3.64K | ﹤0.01% | 4232 |
|
|
2015
Q1 | $14K | Buy |
+400
| New | +$14.1K | ﹤0.01% | 3625 |
|
Other funds holding MKSI
VPM
VCM
Walleye Trading's MKSI Position: Q1 2026 in Review
Walleye Trading increased its MKS Inc (MKSI) stake by 47% in Q1 2026, buying an estimated $144K and bringing the position to 1,985 shares worth $456K. The position accounts for ﹤0.01% of the portfolio, ranked #2645.
Walleye Trading first reported a position in MKSI in Q1 2015 and has held it in 21 quarters since. The position peaked at $1.09M in Q3 2023. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.
- Walleye Trading held 1,985 shares of MKS Inc worth $456K as of Q1 2026.
- Walleye Trading bought 636 MKS Inc shares in Q1 2026, an estimated $144K.
- MKS Inc made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #2645 holding.
- Walleye Trading first reported a position in MKS Inc in Q1 2015 and has held it in 21 quarters since.
- Walleye Trading's MKS Inc position peaked at $1.09M in Q3 2023.
- 615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.
Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.