QUMSU QUANTUMSPHERE ACQUISITION CO: institutional ownership and insider trading
8 funds reported holding $2.96M of QUANTUMSPHERE ACQUISITION CO in their latest 13F filings; in Q2 2026 funds net sold $1.03M, with 0 new positions and 1 funds selling out.
Largest institutional holders of QUMSU
- ATW SPAC MANAGEMENT LLC — $1.01M
- GABELLI & Co INVESTMENT ADVISERS, INC. — $699K
- GABELLI FUNDS LLC — $592K
- HRT FINANCIAL LP — $309K
- Clear Street Group Inc. — $239K
- JPMORGAN CHASE & CO (JPM, AMJB, VYLD, JPM-PC, JPM-PD, JPM-PJ, JPM-PK, JPM-PL, JPM-PM) — $103K
- UBS Group AG (UBS) — $4.95K
- GLAZER CAPITAL, LLC — $2.00K
Who owns the most QUMSU stock?
The largest institutional holders of QUANTUMSPHERE ACQUISITION CO in the latest 13F filings are ATW SPAC MANAGEMENT LLC ($1.01M), GABELLI & Co INVESTMENT ADVISERS, INC. ($699K), GABELLI FUNDS LLC ($592K).