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Quantumsphere Acquisition Corp

QUMSR
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; 25 institutions reported holding it in 13F filings for Q2 2026, worth $1.18M in total; no superinvestor holds it.

Other share classesQUMSQUMSU

Superinvestors holding QUMSR, Q2 2026

See all superinvestors

No superinvestor reported holding QUMSR in Q2 2026.