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Blackrock shares owned by Sig Brokerage

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

Historical chart of Sig Brokerage investment in Blackrock

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

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Quarterly reported holdings in Blackrock by Sig Brokerage

Quarter filed Position value Share count Share price at filing
2026-03-31 $9.6M 10k 961.71