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
Q2
$264K Sell
594
-1,391
-70% -$435K ﹤0.01% 2995
2026
Q1
$456K Buy
1,985
+636
+47% +$144K ﹤0.01% 2645
2025
Q4
$216K Buy
+1,349
New +$200K ﹤0.01% 3351
2024
Q4
– Sell
-2,552
Closed -$275K – 4501
2024
Q3
$277K Buy
2,552
+224
+10% +$26.6K ﹤0.01% 2887
2024
Q2
$304K Buy
+2,328
New +$294K ﹤0.01% 2835
2023
Q4
– Sell
-12,567
Closed -$1.02M – 5331
2023
Q3
$1.09M Buy
+12,567
New +$1.23M ﹤0.01% 2298
2023
Q2
– Sell
-742
Closed -$67.9K – 4982
2023
Q1
$65.8K Buy
+742
New +$70.8K ﹤0.01% 4001
2022
Q3
– Sell
-5,423
Closed -$558K – 5328
2022
Q2
$557K Buy
5,423
+4,224
+352% +$492K ﹤0.01% 2794
2022
Q1
$180K Buy
+1,199
New +$186K ﹤0.01% 3871
2021
Q4
– Sell
-482
Closed -$75.4K – 5660
2021
Q3
$73K Buy
+482
New +$74K ﹤0.01% 4505
2020
Q2
– Sell
-2,064
Closed -$205K – 4469
2020
Q1
$168K Buy
+2,064
New +$211K ﹤0.01% 2756
2019
Q3
– Sell
-1,924
Closed -$150K – 4273
2019
Q2
$150K Buy
+1,924
New +$163K ﹤0.01% 3124
2019
Q1
– Sell
-2,758
Closed -$222K – 4545
2018
Q4
$178K Sell
2,758
-5,798
-68% -$419K ﹤0.01% 3488
2018
Q3
$686K Buy
+8,556
New +$782K ﹤0.01% 2526
2017
Q4
– Sell
-1,635
Closed -$163K – 4527
2017
Q3
$154K Buy
+1,635
New +$134K ﹤0.01% 3409
2017
Q2
– Sell
-238
Closed -$18K – 4774
2017
Q1
$16K Buy
+238
New +$15.7K ﹤0.01% 4210
2016
Q4
– Sell
-807
Closed -$43.5K – 4990
2016
Q3
$40K Buy
+807
New +$38.1K ﹤0.01% 3880
2016
Q2
– Sell
-16,462
Closed -$639K – 5574
2016
Q1
$620K Buy
16,462
+8,854
+116% +$302K 0.01% 1793
2015
Q4
$274K Buy
7,608
+6,531
+606% +$233K ﹤0.01% 2403
2015
Q3
$36K Sell
1,077
-533
-33% -$18.5K ﹤0.01% 3729
2015
Q2
$61K Sell
1,610
-186
-10% -$6.77K ﹤0.01% 3369
2015
Q1
$61K Buy
+1,796
New +$63.1K ﹤0.01% 2986

Other funds holding MKSI

Walleye Trading's MKSI Position: Q2 2026 in Review

Walleye Trading reduced its MKS Inc (MKSI) stake by 70% in Q2 2026, selling an estimated $435K and leaving 594 shares worth $264K. The position accounts for ﹤0.01% of the portfolio, ranked #2995.

Walleye Trading first reported a position in MKSI in Q1 2015 and has held it in 22 quarters since. The position peaked at $1.09M in Q3 2023. 776 funds tracked by Wall St. Rank hold MKSI as of Q2 2026.

  • Walleye Trading held 594 shares of MKS Inc worth $264K as of Q2 2026.
  • Walleye Trading sold 1,391 MKS Inc shares in Q2 2026, an estimated $435K.
  • MKS Inc made up ﹤0.01% of Walleye Trading's portfolio in Q2 2026, its #2995 holding.
  • Walleye Trading first reported a position in MKS Inc in Q1 2015 and has held it in 22 quarters since.
  • Walleye Trading's MKS Inc position peaked at $1.09M in Q3 2023.
  • 776 funds tracked by Wall St. Rank held MKS Inc as of Q2 2026.

Based on Walleye Trading's 13F filing for Q2 2026, filed 3 Aug 2026.