Quantumsphere Acquisition Corp

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Quantumsphere Acquisition Corp
TickerQUMS
CIK #0002070900
CUSIPG7387B106
SectorReal Estate & Construction - Blank Checks
Address1185 6th Ave Suite 304, New York, NY 10036
Source [EDGAR]
CIK Filing 2011 - 2026
[0002070900] 10-K
[0002070900] 10-Q
[0002070900] 3
[0002070900] 8-K
[0002070900] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Mizuho Financial Group Inc Quantumsphere Acquisition Corp [2026-02-12] 0.0
Highbridge Capital Management LLC Quantumsphere Acquisition Corp [2025-11-14] 0.0
Wolverine Asset Management LLC Quantumsphere Acquisition Corp [2025-11-07] 0.0
Form 3/4/5 Filer 2011 - 2026
McCabe Daniel M
Quantumsphere Acquisition Corp
Zhang Ping
Gong Qi
Zhang Wei
Whiteowl Holdings LLC
13F Ownership Over TimeHoldersShares Held
2026-03-31 29 7,132,982
2025-12-31 25 6,145,076
2025-09-30 4 851,333
Form 13F Holdings
Firm Period DFND Voting Shares
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