FISN$2.08+0.24%
Deep Fission, Inc.
Sector: Electric ServicesIndustry: Industrial - MachineryCountry: USExchange: Nasdaq
Mkt Cap & EV:$122.24M /
Float & O/S:37.42M / 58.91M
Est. Net Cash/Sh:
Inst Own:4.9%
DilutionScan read 19 of DEEP FISSION, INC.'s SEC filings and found 3 warrant series, 1 convertible, 1 shelf registration, 3 S-1 registrations and 3 completed offerings on file for FISN. The latest dilution event on file is a registration statement on Nov 4, 2026. Analysis updated Nov 10, 2026.
Signal8 Summary
FISN
Pre-revenue nuclear startup burning cash
Snapshot
Deep Fission is a pre-revenue nuclear developer with $0 in FY 2025 revenue and a $61.0M net loss. It holds $93.0M in cash against essentially no debt, and Signal8 models roughly 14.4 months of runway.
What's Happening Right Now
- : On Sep 10, 2026, Deep Fission installed and retrieved a full-scale prototype reactor canister from a test borehole using standard commercial drilling equipment, without needing custom-built gear.
- : On Aug 19, 2026, CEO Liz Muller said Deep Fission aims to begin commercial electricity generation from its first underground reactor in Kansas by the end of 2027, contingent on construction and regulatory approval.
- : On Aug 6, 2026, the Department of Energy approved Deep Fission's Nuclear Safety Design Agreement for its Gravity reactor, a milestone toward demonstration and commercial deployment at its Kansas pilot site.
- : On Jun 24, 2026, Deep Fission announced non-binding Letters of Intent representing up to 18.5 gigawatts of potential generation capacity with data centers and industrial partners, though these carry no purchase or financing commitment.
- : On Jun 22, 2026, Deep Fission closed a public offering of 2.5 million shares at $16.00 each, raising $40 million before expenses for engineering and construction of its Kansas pilot reactor.
