QUARTZSEA ACQUISITION CORP

Ticker: QSEA CUSIP: G7314B104 Class: ORD SHS

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q4 2025

Shares 170,012 Value ($000) $1,743 Avg Close $10.19 Range $10.12 - $10.25

Q3 2025

Shares 170,012 Value ($000) $1,726 Avg Close $10.10 Range $10.05 - $10.15

Q2 2025

Shares 170,012 Value ($000) $1,709 Avg Close $10.02 Range $9.96 - $10.08

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	170,012	$1,743	$10.19	$10.12 - $10.25
Q3 2025	170,012	$1,726	$10.10	$10.05 - $10.15
Q2 2025	170,012	$1,709	$10.02	$9.96 - $10.08