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Quantum Si shares owned by Jane Street

Quarter-by-quarter ownership of Quantum Si (QSIAW) shares owned by Jane Street from 13F filings

Historical chart of Jane Street investment in Quantum Si

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

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Quarterly reported holdings in Quantum Si by Jane Street

Quarter filed Position value Share count Share price at filing
2025-09-30 $4.6k 17k 0.27
2025-06-30 $11k 17k 0.65
2025-03-31 $6.7k 17k 0.40
2024-12-31 $26k 21k 1.25
2024-09-30 $1.5k 17k 0.09
2024-06-30 $2.1k 17k 0.13
2024-03-31 $4.1k 17k 0.24
2023-12-31 $5.3k 17k 0.32
2023-09-30 $4.6k 17k 0.27
2023-06-30 $3.8k 17k 0.23
2023-03-31 $2.9k 19k 0.15
2022-12-31 $4.9k 20k 0.25
2022-09-30 $11k 20k 0.55
2022-06-30 $11k 20k 0.55
2022-03-31 $23k 20k 1.14
2021-12-31 $39k 22k 1.82
2021-09-30 $38k 19k 2.02
2021-06-30 $65k 17k 3.77

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Top funds holding Quantum Si

Deerfield Management Company
Susquehanna International
Millennium Management
Jane Street
UBS Group

View all funds holding Quantum Si