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MKS Instruments shares owned by West Family Investments

Quarter-by-quarter ownership of MKS Instruments (MKSI) shares owned by West Family Investments from 13F filings

Historical chart of West Family Investments investment in MKS Instruments

Tip: Access up to 7 years of quarterly data

All positions including MKS Instruments held by West Family Investments consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in MKS Instruments by West Family Investments

Quarter filed Position value Share count Share price at filing
2026-06-30 $214k 482 444.80

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Top funds holding MKS Instruments

BlackRock
Invesco
Vanguard Portfolio Management
Vanguard Capital Management
State Street Corporation
Capital Research and Management Company - Division 3
FMR
Wellington Management Company
T. Rowe Price Associates
Point72 Asset Management
Geode Capital Management
Aspex Management
Neuberger Berman Group
UBS Group
Whale Rock Capital Management

View all funds holding MKS Instruments