Steve Schonfeld’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
$11.8M Buy
+26,469
New +$8.28M 0.04% 365
2025
Q4
Sell
-3,692
Closed -$457K 2375
2025
Q3
$457K Buy
+3,692
New +$394K ﹤0.01% 1714
2025
Q1
Sell
-20,411
Closed -$2.13M 2385
2024
Q4
$2.13M Buy
20,411
+7,154
+54% +$772K 0.01% 805
2024
Q3
$1.44M Buy
13,257
+10,638
+406% +$1.26M 0.01% 1028
2024
Q2
$342K Buy
+2,619
New +$331K ﹤0.01% 1630
2023
Q2
Sell
-14,719
Closed -$1.3M 2362
2023
Q1
$1.3M Buy
14,719
+10,419
+242% +$994K 0.01% 848
2022
Q4
$364K Sell
4,300
-9,200
-68% -$737K ﹤0.01% 1700
2022
Q3
$1.11M Sell
13,500
-11,919
-47% -$1.23M 0.01% 1194
2022
Q2
$2.61M Buy
25,419
+20,619
+430% +$2.4M 0.03% 675
2022
Q1
$720K Sell
4,800
-15,962
-77% -$2.48M 0.01% 1154
2021
Q4
$3.62M Buy
+20,762
New +$3.25M 0.03% 550
2021
Q3
Sell
-1,900
Closed -$338K 2343
2021
Q2
$338K Buy
+1,900
New +$345K ﹤0.01% 1400
2020
Q4
Sell
-39,412
Closed -$4.3M 1753
2020
Q3
$4.3M Sell
39,412
-16,208
-29% -$1.9M 0.08% 330
2020
Q2
$6.3M Buy
+55,620
New +$5.53M 0.16% 181
2020
Q1
Sell
-4,424
Closed -$487K 1363
2019
Q4
$487K Buy
+4,424
New +$463K 0.01% 755
2019
Q2
Sell
-12,138
Closed -$1.13M 1157
2019
Q1
$1.13M Buy
+12,138
New +$979K 0.04% 474
2017
Q3
Sell
-5,201
Closed -$350K 711
2017
Q2
$350K Buy
+5,201
New +$394K 0.04% 446
2016
Q2
Sell
-8,698
Closed -$327K 493
2016
Q1
$327K Buy
+8,698
New +$297K 0.13% 204

Other funds holding MKSI

Steve Schonfeld's MKSI Position: Q2 2026 in Review

Steve Schonfeld opened a new position in MKS Inc (MKSI) in Q2 2026: 26,469 shares worth $11.8M. The stake represents 0.04% of the portfolio and ranks #365 among its holdings. This is a return to the name: Steve Schonfeld previously reported a position in MKSI as recently as Q3 2025.

Steve Schonfeld first reported a position in MKSI in Q1 2016 and has held it in 18 quarters since. 770 funds tracked by Wall St. Rank hold MKSI as of Q2 2026.

  • Steve Schonfeld held 26,469 shares of MKS Inc worth $11.8M as of Q2 2026.
  • MKS Inc was a new Steve Schonfeld position in Q2 2026.
  • MKS Inc made up 0.04% of Steve Schonfeld's portfolio in Q2 2026, its #365 holding.
  • Steve Schonfeld first reported a position in MKS Inc in Q1 2016 and has held it in 18 quarters since.
  • 770 funds tracked by Wall St. Rank held MKS Inc as of Q2 2026.

Based on Schonfeld Strategic Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.