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ProPhase Labs shares owned by Jane Street

Quarter-by-quarter ownership of ProPhase Labs (PRPH) shares owned by Jane Street from 13F filings

Historical chart of Jane Street investment in ProPhase Labs

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All positions including ProPhase Labs held by Jane Street consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in ProPhase Labs by Jane Street

Quarter filed Position value Share count Share price at filing
2025-09-30 $6.3k 14k 0.46
2025-03-31 $20k 48k 0.40
2023-06-30 $74k 10k 7.26
2023-03-31 $95k 13k 7.62
2022-12-31 $118k 12k 9.63
2019-06-30 $22k 10k 2.15