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 		– Sell
-6
Closed -$1.36K – 8305
2025
Q4 		$959 Buy
+6
New +$890 ﹤0.01% 7714
2025
Q2 		– Sell
-918
Closed -$74.6K – 8371
2025
Q1 		$73.6K Buy
+918
New +$92.7K ﹤0.01% 4852
2024
Q3 		– Sell
-433
Closed -$51.4K – 7067
2024
Q2 		$56.5K Hold
433
– – ﹤0.01% 4432
2024
Q1 		$57.6K Buy
433
+325
+301% +$37.8K ﹤0.01% 4599
2023
Q4 		$11.1K Hold
108
– – ﹤0.01% 6130
2023
Q3 		$9.35K Buy
+108
New +$10.5K ﹤0.01% 6370
2020
Q1 		– Sell
-274
Closed -$30K – 5552
2019
Q4 		$30K Buy
274
+262
+2,183% +$27.4K ﹤0.01% 4225
2019
Q3 		$1K Buy
+12
New +$991 ﹤0.01% 4991
2019
Q1 		– Sell
-416
Closed -$33.5K – 5136
2018
Q4 		$27K Buy
+416
New +$30.1K ﹤0.01% 3883
2018
Q2 		– Sell
-175
Closed -$19.1K – 5322
2018
Q1 		$20K Buy
175
+124
+243% +$13.6K ﹤0.01% 4088
2017
Q4 		$5K Buy
+51
New +$5.08K ﹤0.01% 4563
2017
Q3 		– Sell
-200
Closed -$13K – 5029
2017
Q2 		$13K Buy
+200
New +$15.2K ﹤0.01% 4110

Other funds holding MKSI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
AMH
Aspex Management (HK) Central, Hong Kong $8.89B AUM 39.91% 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. 620 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.
  • 620 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.