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Quantum Si shares owned by XTX Topco

Quarter-by-quarter ownership of Quantum Si (QSI) shares owned by XTX Topco from 13F filings

Historical chart of XTX Topco investment in Quantum Si

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All positions including Quantum Si held by XTX Topco consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Quantum Si by XTX Topco

Quarter filed Position value Share count Share price at filing
2025-09-30 $212k 151k 1.41
2025-06-30 $91k 47k 1.96
2025-03-31 $443k 369k 1.20
2024-12-31 $663k 246k 2.70
2024-09-30 $39k 44k 0.88
2024-06-30 $25k 24k 1.05
2023-06-30 $79k 44k 1.79
2022-06-30 $59k 26k 2.31