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Amgen shares owned by Tandem Investment Partners

Quarter-by-quarter ownership of Amgen (AMGN) shares owned by Tandem Investment Partners from 13F filings

Historical chart of Tandem Investment Partners investment in Amgen

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All positions including Amgen held by Tandem Investment Partners consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Amgen by Tandem Investment Partners

Quarter filed Position value Share count Share price at filing
2025-09-30 $576k 2.0k 282.20
2025-06-30 $572k 2.0k 279.21