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MKS Instruments shares owned by Sirios Capital Management

Quarter-by-quarter ownership of MKS Instruments (MKSI) shares owned by Sirios Capital Management from 13F filings

Historical chart of Sirios Capital Management investment in MKS Instruments

Tip: Access up to 7 years of quarterly data

All positions including MKS Instruments held by Sirios Capital Management consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in MKS Instruments by Sirios Capital Management

Quarter filed Position value Share count Share price at filing
2026-03-31 $9.7M 42k 229.81