Quantumsphere Acquisition Corp
QUMSU- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002070900
No open-market purchases or sales by Quantumsphere Acquisition Corp insiders were filed in the last 90 days; 7 institutions reported holding it in 13F filings for Q2 2026, worth $1.95M in total; no superinvestor holds it.
Members of Congress who traded QUMSU
No member of Congress has reported a trade in Quantumsphere Acquisition Corp since 2020.
Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report.