DOSSIER · 13F Holders · Q3 2026
QUANTUMSPHERE ACQUISITION CO
25 institutions still hold QUANTUMSPHERE ACQUISITION CO as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP G7387B114·25 13F holders·last filed Jun 30, 2026
AI Holders Summary · Q3 2026
25 institutions reported QUANTUMSPHERE ACQUISITION CO in Q3 2026. Harraden Circle Investments, LLC leads at 18.3% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.
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