Key facts
- It has raised $4.5M; the latest was Seed Round ($4.0M) in Nov 2025.
- Notable investors include gener8tor, Third Derivative, Activate Global, The Grantham Foundation, Desai Ventures — 8 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 8 names
- ·Watchlist + deal alerts for Flux XII
- ·The full record, as it builds
Funding rounds
No funding rounds for Flux XII are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Flux XII
Developer of sustainable battery technology intended to improve energy storage. The company's technology is based on synthetically engineered organic molecules that can be domestically produced using sustainable and low-cost methods that are dissolved in benign pH-neutral water to power safe and scalable flow batteries, enabling clients to get long-duration grid energy storage that can be adapted to economically and reliably clean energy needs.
- Sector
- Business Products and Services (B2B)
- HQ
- Madison, WI, United States
- Founded
- 2021
- Employees
- 5
- Website
- flux12.com/
- Ownership
- Privately Held (backing)
Flux XII 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 Flux XII 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 Flux XII in its N-PORT filings yet. We sweep new filings monthly.