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Sigma-Aldrich Corporation shares owned by PI Investment Management

Quarter-by-quarter ownership of Sigma-Aldrich Corporation shares owned by PI Investment Management from 13F filings

Historical chart of PI Investment Management investment in Sigma-Aldrich Corporation

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All positions including Sigma-Aldrich Corporation held by PI Investment Management consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Sigma-Aldrich Corporation by PI Investment Management

Quarter filed Position value Share count Share price at filing
2011-09-30 $4.1M 63k 64.55