Key facts
- South 8 Technologies’s last known valuation is $43.0M (Dec 2021).
- It has raised $25.4M; the latest was Later Stage VC ($11.0M) in Dec 2025.
- Notable investors include Plug and Play Tech Center, Alumni Ventures, US National Science Foundation, U.S. Department of Energy, United States Department of War — 29 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 29 names
- ·Watchlist + deal alerts for South 8 Technologies
- ·The full record, as it builds
Funding rounds
No funding rounds for South 8 Technologies are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About South 8 Technologies
Developer of liquefied gas electrolytes and lithium-ion batteries designed for secondary lithium and electrochemical capacitors. The company's batteries deliver a substantial increase in energy density and performance at record-low temperatures while maintaining power characteristics, enabling transportation, high-altitude, aerospace, and military industries to mitigate thermal runaway and to achieve substantially lower flammability than conventional capacitor materials.
- Sector
- Materials and Resources
- HQ
- San Diego, CA, United States
- Founded
- 2015
- Employees
- 45
- Website
- south8.com/
- Ownership
- Privately Held (backing)
South 8 Technologies doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in South 8 Technologies shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on South 8 Technologies in its N-PORT filings yet. We sweep new filings monthly.