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Lam Research shares owned by Brian McDonald

Quarter-by-quarter ownership of Lam Research (LRCX) shares owned by Brian McDonald from 13F filings

Historical chart of Brian McDonald investment in Lam Research

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All positions including Lam Research held by Brian McDonald consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Lam Research by Brian McDonald

Quarter filed Position value Share count Share price at filing
2025-09-30 $35M 260k 133.90
2025-06-30 $24M 245k 97.34
2025-03-31 $18M 248k 72.70