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Alector shares owned by Merck & Co

Quarter-by-quarter ownership of Alector (ALEC) shares owned by Merck & Co from 13F filings

Historical chart of Merck & Co investment in Alector

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All positions including Alector held by Merck & Co consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Alector by Merck & Co

Quarter filed Position value Share count Share price at filing
2025-09-30 $11M 3.5M 2.96
2025-06-30 $5.0M 3.5M 1.40