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Aperture Investors’s MKS Inc MKSI Stock Holding History

Aperture Investors’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
Q2 		– Sell
-205,209
Closed -$16.4M – 88
2025
Q1 		$16.4M Sell
205,209
-25,772
-11% -$2.6M 2.1% 17
2024
Q4 		$24.1M Sell
230,981
-18,173
-7% -$1.96M 3.03% 8
2024
Q3 		$27.1M Buy
249,154
+49,447
+25% +$5.87M 3.44% 5
2024
Q2 		$26.1M Buy
199,707
+19,359
+11% +$2.44M 3.81% 3
2024
Q1 		$24M Sell
180,348
-36,938
-17% -$4.29M 3.07% 7
2023
Q4 		$22.4M Buy
+217,286
New +$17.6M 3.94% 2

Other funds holding MKSI

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

Aperture Investors's MKSI Position: Q2 2025 in Review

Aperture Investors sold out of MKS Inc (MKSI) in Q2 2025, closing a stake of 205,209 shares — an estimated $16.4M sold.

Aperture Investors first reported a position in MKSI in Q4 2023 and held it in 6 quarters. The position peaked at $27.1M in Q3 2024. 394 funds tracked by Wall St. Rank hold MKSI as of Q2 2025.

  • Aperture Investors reported no remaining MKS Inc position as of Q2 2025 after selling out during the quarter.
  • Aperture Investors sold 205,209 MKS Inc shares in Q2 2025, an estimated $16.4M.
  • Aperture Investors first reported a position in MKS Inc in Q4 2023 and held it in 6 quarters.
  • Aperture Investors's MKS Inc position peaked at $27.1M in Q3 2024.
  • 394 funds tracked by Wall St. Rank held MKS Inc as of Q2 2025.

Based on Aperture Investors's 13F filing for Q2 2025, filed 14 Aug 2025.