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Birchtech shares owned by White Pine Capital

Quarter-by-quarter ownership of Birchtech (BCHT) shares owned by White Pine Capital from 13F filings

Historical chart of White Pine Capital investment in Birchtech

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All positions including Birchtech held by White Pine Capital consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Birchtech by White Pine Capital

Quarter filed Position value Share count Share price at filing
2026-03-31 $549k 289k 1.90