QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025
Shares 31,320 Value ($000) $34 Avg Close $1.63 Range $1.07 - $3.10