QUARTZSEA ACQUISITION CORP

Ticker: QSEA CUSIP: G7314B104 Class: ORD SHS

MIZUHO SECURITIES USA LLC's Holding History (CIK: 0000812291)

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

Q4 2025

Shares 676,753 Value ($000) $6,836 Avg Close $10.19 Range $10.12 - $10.25

Q3 2025

Shares 641,777 Value ($000) $6,432 Avg Close $10.10 Range $10.05 - $10.15

Q2 2025

Shares 457,137 Value ($000) $4,558 Avg Close $10.02 Range $9.96 - $10.08

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	676,753	$6,836	$10.19	$10.12 - $10.25
Q3 2025	641,777	$6,432	$10.10	$10.05 - $10.15
Q2 2025	457,137	$4,558	$10.02	$9.96 - $10.08