QUANTUMSPHERE ACQUISITION CO

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

Holders for Q4 2025 Position Changes for Q4 2025

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

New Positions (1)

UBS Group AG
Value ($000) $5 Shares 459

Increased Positions (1)

HRT FINANCIAL LP
Value ($000) $0 (+4.3%) Shares 31,089 (+3.7%)

Decreased Positions (1)

Clear Street Group Inc.
Value ($000) $151 (-93.1%) Shares 14,866 (-93.2%)

Exited Positions (21)

Harraden Circle Investments, LLC
Value ($000) $4,059 Shares 400,707
HGC Investment Management Inc.
Value ($000) $3,039 Shares 300,000
HEIGHTS CAPITAL MANAGEMENT, INC
Value ($000) $1,520 Shares 150,000
Cable Car Capital, LP
Value ($000) $1,771 Shares 174,801
METEORA CAPITAL, LLC
Value ($000) $2,330 Shares 229,999
Periscope Capital Inc.
Value ($000) $1,266 Shares 125,000
Radcliffe Capital Management, L.P.
Value ($000) $1,520 Shares 150,000
AQR Arbitrage LLC
Value ($000) $3,269 Shares 322,660
BERKLEY W R CORP
Value ($000) $1,507 Shares 148,770
StoneX Group Inc.
Value ($000) $1,703 Shares 168,149
GLAZER CAPITAL, LLC
Value ($000) $4 Shares 420,542
Warberg Asset Management LLC
Value ($000) $420 Shares 41,421
LINDEN ADVISORS LP
Value ($000) $4,052 Shares 400,000
BOOTHBAY FUND MANAGEMENT, LLC
Value ($000) $1,013 Shares 100,000
WOLVERINE ASSET MANAGEMENT LLC
Value ($000) $1,520 Shares 150,000
TrueMark Investments, LLC
Value ($000) $101 Shares 10,000
TORONTO DOMINION BANK
Value ($000) $3,657 Shares 361,000
TWO SIGMA INVESTMENTS, LP
Value ($000) $2,254 Shares 222,490
Schonfeld Strategic Advisors LLC
Value ($000) $886 Shares 87,486
D. E. Shaw & Co., Inc.
Value ($000) $1,266 Shares 125,000