QUANTUMSPHERE ACQUISITION CO

Ticker: QUMSU CUSIP: G7387B122 Class: UNIT 07/30/2030

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

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

Q3 2025

Shares 125,000 Value ($000) $1,266 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	125,000	$1,266	—	—