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Amphenol Corporation shares owned by William Blair Investment Management

Quarter-by-quarter ownership of Amphenol Corporation (APH) shares owned by William Blair Investment Management from 13F filings

Historical chart of William Blair Investment Management investment in Amphenol Corporation

Tip: Access up to 7 years of quarterly data

All positions including Amphenol Corporation held by William Blair Investment Management consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Amphenol Corporation by William Blair Investment Management

Quarter filed Position value Share count Share price at filing
2026-03-31 $136M 1.1M 126.35