QUANTUMSPHERE ACQUISITION CO

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

RIVERNORTH CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001447578)

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

Q4 2025
Shares 424,512 Value ($000) $4,322 Avg Close — Range —
Q3 2025
Shares 425,000 Value ($000) $4,305 Avg Close — Range —