Group One Trading
MKSI icon

Group One Trading’s MKS Inc MKSI Stock Holding History

Group One Trading’s Portfolio MKSI Stock Details MKSI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$276K Buy
1,200
+1,000
+500% +$226K ﹤0.01% 3873
2025
Q4 		$32K Sell
200
-3,000
-94% -$445K ﹤0.01% 5963
2025
Q3 		$396K Sell
3,200
-2,300
-42% -$245K ﹤0.01% 3924
2025
Q2 		$546K Buy
5,500
+1,400
+34% +$114K ﹤0.01% 3322
2025
Q1 		$329K Buy
4,100
+300
+8% +$30.3K ﹤0.01% 3492
2024
Q4 		$397K Sell
3,800
-200
-5% -$21.6K ﹤0.01% 3366
2024
Q3 		$435K Buy
+4,000
New +$475K ﹤0.01% 2960
2023
Q4 		– Sell
-200
Closed -$17.3K – 7866
2023
Q3 		$17.3K Hold
200
– – ﹤0.01% 5989
2023
Q2 		$21.6K Buy
+200
New +$18.3K ﹤0.01% 5942
2022
Q4 		– Sell
-5,000
Closed -$4.13M – 7769
2022
Q3 		$4.13M Buy
5,000
+4,600
+1,150% +$474K 0.01% 1311
2022
Q2 		$41K Hold
400
– – ﹤0.01% 5726
2022
Q1 		$60K Sell
400
-1,100
-73% -$171K ﹤0.01% 5962
2021
Q4 		$261K Sell
1,500
-5,500
-79% -$860K ﹤0.01% 4804
2021
Q3 		$1.06M Sell
7,000
-3,300
-32% -$507K ﹤0.01% 3352
2021
Q2 		$1.83M Buy
10,300
+4,500
+78% +$818K ﹤0.01% 2751
2021
Q1 		$1.07M Buy
+5,800
New +$975K ﹤0.01% 3142
2020
Q3 		– Sell
-1,000
Closed -$113K – 6366
2020
Q2 		$113K Buy
+1,000
New +$99.5K ﹤0.01% 3800
2018
Q4 		– Sell
-100
Closed -$8K – 5195
2018
Q3 		$8K Sell
100
-400
-80% -$36.5K ﹤0.01% 4719
2018
Q2 		$48K Buy
+500
New +$54.5K ﹤0.01% 3982
2017
Q3 		– Sell
-1,100
Closed -$74K – 5028
2017
Q2 		$74K Buy
+1,100
New +$83.3K ﹤0.01% 3295

Other funds holding MKSI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Group One Trading's MKSI Position: Q1 2026 in Review

Group One Trading sold out of MKS Inc (MKSI) in Q1 2026, closing a stake of 6 shares — an estimated $1.36K sold.

Group One Trading first reported a position in MKSI in Q2 2017 and held it in 12 quarters. The position peaked at $73.6K in Q1 2025. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

  • Group One Trading reported no remaining MKS Inc position as of Q1 2026 after selling out during the quarter.
  • Group One Trading sold 6 MKS Inc shares in Q1 2026, an estimated $1.36K.
  • Group One Trading first reported a position in MKS Inc in Q2 2017 and held it in 12 quarters.
  • Group One Trading's MKS Inc position peaked at $73.6K in Q1 2025.
  • 615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.