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Summit Partners Public Asset Management’s MKS Inc MKSI Stock Holding History

Summit Partners Public Asset Management’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
2025
Q4 		– Sell
-25,000
Closed -$3.09M – 182
2025
Q3 		$3.09M Buy
+25,000
New +$2.66M 0.06% 141

Other funds holding MKSI

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 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

Summit Partners Public Asset Management's MKSI Position: Q1 2026 in Review

Summit Partners Public Asset Management reduced its MKS Inc (MKSI) stake by 26% in Q1 2026, selling an estimated $22.5M and leaving 282,206 shares worth $64.9M. The position accounts for 1.74% of the portfolio, ranked #16.

Summit Partners Public Asset Management first reported a position in MKSI in Q4 2023 and has held it in 6 quarters since. The position peaked at $73.8M in Q3 2025. 618 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

  • Summit Partners Public Asset Management held 282,206 shares of MKS Inc worth $64.9M as of Q1 2026.
  • Summit Partners Public Asset Management sold 99,294 MKS Inc shares in Q1 2026, an estimated $22.5M.
  • MKS Inc made up 1.74% of Summit Partners Public Asset Management's portfolio in Q1 2026, its #16 holding.
  • Summit Partners Public Asset Management first reported a position in MKS Inc in Q4 2023 and has held it in 6 quarters since.
  • Summit Partners Public Asset Management's MKS Inc position peaked at $73.8M in Q3 2025.
  • 618 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on Summit Partners Public Asset Management's 13F filing for Q1 2026, filed 15 May 2026.