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Deep Fission, Inc.

FISN
Exchange
Nasdaq
Industry
Electric Services
SEC CIK
0001918102

No open-market purchases or sales by Deep Fission, Inc. insiders were filed in the last 90 days; 21 institutions reported holding it in 13F filings for Q2 2026, worth $25.2M in total; no superinvestor holds it.

Members of Congress who traded FISN

No member of Congress has reported a trade in Deep Fission, Inc. since 2020.

Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report.