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MKSI icon

&Partners’s MKS Inc MKSI Stock Holding History

&Partners’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 		$1.63M Sell
7,113
-4,747
-40% -$1.07M 0.01% 1012
2025
Q4 		$1.9M Buy
11,860
+721
+6% +$107K 0.01% 897
2025
Q3 		$1.38M Sell
11,139
-1,413
-11% -$151K 0.01% 937
2025
Q2 		$1.25M Buy
12,552
+62
+0.5% +$5.04K 0.01% 872
2025
Q1 		$1.02M Buy
12,490
+2,256
+22% +$228K 0.01% 819
2024
Q4 		$1.11M Buy
10,234
+3,705
+57% +$400K 0.01% 726
2024
Q3 		$710K Buy
6,529
+3,797
+139% +$451K 0.01% 707
2024
Q2 		$358K Buy
+2,732
New +$345K 0.02% 659

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

&Partners's MKSI Position: Q1 2026 in Review

&Partners reduced its MKS Inc (MKSI) stake by 40% in Q1 2026, selling an estimated $1.07M and leaving 7,113 shares worth $1.63M. The position accounts for 0.01% of the portfolio, ranked #1012.

&Partners first reported a position in MKSI in Q2 2024 and has held it in 8 quarters since. The position peaked at $1.9M in Q4 2025. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

  • &Partners held 7,113 shares of MKS Inc worth $1.63M as of Q1 2026.
  • &Partners sold 4,747 MKS Inc shares in Q1 2026, an estimated $1.07M.
  • MKS Inc made up 0.01% of &Partners's portfolio in Q1 2026, its #1012 holding.
  • &Partners first reported a position in MKS Inc in Q2 2024 and has held it in 8 quarters since.
  • &Partners's MKS Inc position peaked at $1.9M in Q4 2025.
  • 615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on &Partners's 13F filing for Q1 2026, filed 15 May 2026.