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MKSI
2 quarters
Position history for VPVanguard Portfolio Management LLC's holdings in MKS Inc.
Yes. Vanguard Portfolio Management holds 3,707,327 shares of MKSI (MKS), worth $1.6B, as of its Q2 2026 13F filing. It increased the position by 21,834 shares (+0.6%) from Q1 2026. Vanguard Portfolio Management has held MKSI in every 13F on record since Q1 2026, 2 quarterly filings. MKSI is 0.1% of Vanguard Portfolio Management's reported 13F portfolio.
Current Value
$1.6B
Current Shares
3.7M
Total Value Change
+$802.1M
Total Shares Change
+21,834
Quarter-by-Quarter History
Other major holders of MKSI: BlackRock, Inc., Invesco Ltd., JPMorgan Chase & Co., Vanguard Capital Management LLC