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Waters Corporation shares owned by Barbara Oil

Quarter-by-quarter ownership of Waters Corporation (WAT) shares owned by Barbara Oil from 13F filings

Historical chart of Barbara Oil investment in Waters Corporation

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All positions including Waters Corporation held by Barbara Oil consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Waters Corporation by Barbara Oil

Quarter filed Position value Share count Share price at filing
2026-03-31 $201k 676 297.80