Key facts
- It has raised $4.5M; the latest was Seed Round ($4.0M) in May 2025.
- Notable investors include Y Combinator, Climate Capital, Rebel Fund, Collaborative Fund, Olive Tree Capital — 30 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 30 names
- ·Watchlist + deal alerts for Rewbi
- ·The full record, as it builds
Funding rounds
No funding rounds for Rewbi are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Rewbi
Provider of battery storage services intended to optimize grid-connected battery storage. The company utilizes artificial intelligence to track grid conditions, and live inputs, and update the battery's dispatch schedule by renting battery storage for a fixed fee per month, enabling clients to decrease the manual work of tracking the battery's schedule.
- Sector
- Energy
- HQ
- San Francisco, CA, United States
- Founded
- 2024
- Employees
- 5
- Website
- rewbi.com/
- Ownership
- Privately Held (backing)
Rewbi 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 Rewbi 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 Rewbi in its N-PORT filings yet. We sweep new filings monthly.