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Quantumsphere Acquisition Corp

QUMS
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; 27 institutions reported holding it in 13F filings for Q2 2026, worth $80.3M in total; no superinvestor holds it.

Other share classesQUMSRQUMSU

Members of Congress who traded QUMS

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.