30 institutions reported holding $87.7M of QUANTUMSPHERE ACQ CRP; TNT ACQ DT: 2/6/2027; CASH: $10.00 (QUMS) in SEC 13F filings for 2026-06-30. Largest institutional holders: MIZUHO SECURITIES USA LLC ($15.0M), BERKLEY W R CORP ($9.0M), WOLVERINE ASSET MANAGEMENT LLC ($6.2M), Karpus Management, Inc. ($4.8M), RIVERNORTH CAPITAL MANAGEMENT, LLC ($4.4M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30