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Lee Ainslie’s MKS Inc MKSI Stock Holding History

Lee Ainslie’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
Q2 		$912K Sell
2,050
-5,236
-72% -$1.64M 0.01% 115
2026
Q1 		$1.67M Buy
+7,286
New +$1.65M 0.02% 87
2021
Q2 		– Sell
-576
Closed -$107K – 789
2021
Q1 		$107K Buy
+576
New +$96.8K ﹤0.01% 580

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

Lee Ainslie's MKSI Position: Q2 2026 in Review

Lee Ainslie reduced its MKS Inc (MKSI) stake by 72% in Q2 2026, selling an estimated $1.64M and leaving 2,050 shares worth $912K. The position accounts for 0.01% of the portfolio, ranked #115.

Lee Ainslie first reported a position in MKSI in Q1 2021 and has held it in 3 quarters since. The position peaked at $1.67M in Q1 2026. 770 funds tracked by Wall St. Rank hold MKSI as of Q2 2026.

  • Lee Ainslie held 2,050 shares of MKS Inc worth $912K as of Q2 2026.
  • Lee Ainslie sold 5,236 MKS Inc shares in Q2 2026, an estimated $1.64M.
  • MKS Inc made up 0.01% of Lee Ainslie's portfolio in Q2 2026, its #115 holding.
  • Lee Ainslie first reported a position in MKS Inc in Q1 2021 and has held it in 3 quarters since.
  • Lee Ainslie's MKS Inc position peaked at $1.67M in Q1 2026.
  • 770 funds tracked by Wall St. Rank held MKS Inc as of Q2 2026.

Based on Maverick Capital's 13F filing for Q2 2026, filed 14 Aug 2026.