QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

Qube Research & Technologies Ltd's Holding History (CIK: 0001729829)

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

Q1 2022

Shares 13,733 Value ($000) $64 Avg Close $4.87 Range $3.72 - $8.30

Q4 2021

Shares 10,252 Value ($000) $81 Avg Close $7.53 Range $5.33 - $9.10

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	13,733	$64	$4.87	$3.72 - $8.30
Q4 2021	10,252	$81	$7.53	$5.33 - $9.10