QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

JONES FINANCIAL COMPANIES LLLP's Holding History (CIK: 0000815917)

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

Q4 2025
Shares 98,900 Value ($000) $109 Avg Close $1.63 Range $1.07 - $3.10
Q3 2025
Shares 93,500 Value ($000) $139 Avg Close $1.45 Range $0.95 - $2.18
Q2 2025
Shares 46,900 Value ($000) $91 Avg Close $1.48 Range $1.02 - $2.15
Q1 2025
Shares 3,000 Value ($000) $4 Avg Close $1.92 Range $1.12 - $5.77