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Quantum Corp shares owned by Portolan Capital Management

Quarter-by-quarter ownership of Quantum Corp (QMCO) shares owned by Portolan Capital Management from 13F filings

Historical chart of Portolan Capital Management investment in Quantum Corp

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All positions including Quantum Corp held by Portolan Capital Management consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Quantum Corp by Portolan Capital Management

Quarter filed Position value Share count Share price at filing
2025-12-31 $3.1M 477k 6.45