QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025
Shares 11,156 Value ($000) $16 Avg Close $1.45 Range $0.95 - $2.18
Q2 2024
Shares 16,462 Value ($000) $17 Avg Close $1.60 Range $0.73 - $1.99
Q1 2024
Shares 41,027 Value ($000) $81 Avg Close $1.75 Range $1.38 - $2.43
Q4 2023
Shares 43,301 Value ($000) $87 Avg Close $1.52 Range $1.12 - $2.31
Q3 2023
Shares 47,760 Value ($000) $79 Avg Close $2.41 Range $1.57 - $3.90
Q2 2023
Shares 41,696 Value ($000) $75 Avg Close $1.57 Range $1.36 - $1.94
Q1 2023
Shares 31,548 Value ($000) $56 Avg Close $1.97 Range $1.54 - $2.63
Q4 2022
Shares 28,797 Value ($000) $53 Avg Close $2.58 Range $1.72 - $3.61
Q3 2022
Shares 23,084 Value ($000) $63 Avg Close $3.20 Range $2.31 - $4.43
Q2 2022
Shares 17,926 Value ($000) $42 Avg Close $3.83 Range $2.22 - $4.97
Q1 2022
Shares 13,196 Value ($000) $62 Avg Close $4.87 Range $3.72 - $8.30
Q4 2021
Shares 13,939 Value ($000) $110 Avg Close $7.53 Range $5.33 - $9.10