Simplex Trading »

Quantum Si shares owned by Simplex Trading

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

Historical chart of Simplex Trading investment in Quantum Si

Tip: Access up to 7 years of quarterly data

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

Download as csvDownload consolidated filings csv Download as ExcelDownload consolidated filings xlsx

Quarterly reported holdings in Quantum Si by Simplex Trading

Quarter filed Position value Share count Share price at filing
2025-09-30 $217k 154k 1.41
2025-06-30 $206k 106k 1.95
2025-03-31 $51k 43k 1.19
2024-12-31 $828k 307k 2.70
2024-09-30 $23k 27k 0.87
2023-06-30 $16k 9.3k 1.72
2023-03-31 $9.0k 5.3k 1.70
2022-12-31 $34k 19k 1.80
2021-12-31 $312k 26k 12.06
2021-09-30 $312k 26k 12.06
2021-06-30 $334k 27k 12.24