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Blackrock shares owned by Westmount Partners

Quarter-by-quarter ownership of Blackrock (BLK) shares owned by Westmount Partners from 13F filings

Historical chart of Westmount Partners investment in Blackrock

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All positions including Blackrock held by Westmount Partners consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Blackrock by Westmount Partners

Quarter filed Position value Share count Share price at filing
2025-09-30 $346k 303 1141.31
2025-06-30 $318k 303 1049.47
2025-03-31 $287k 303 946.68

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