Key facts
- 24M’s last known valuation is $1.3B.
- It has raised $526.2M; the latest was Later Stage VC ($87.0M) in Sep 2024.
- Notable investors include U.S. Department of Energy, CRV, Mirai Creation Capital, Arpa-E, North Bridge Venture Partners — 22 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 22 names
- ·Watchlist + deal alerts for 24M
- ·The full record, as it builds
Funding rounds
No funding rounds for 24M are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About 24M
Manufacturer of lithium-ion batteries designed to improve electric power systems' operational reliability, economics, and efficiency. The company's batteries offer binder-free semisolid electrodes and unit cells, which eliminate the need for hydro or pyrometallurgical processes for battery recycling and help direct in-plant reuse of active material for end-of-life recycling, enabling clients to increase efficiency and save money.
- Sector
- Business Products and Services (B2B)
- HQ
- Cambridge, MA, United States
- Founded
- 2010
- Employees
- 202
- Website
- 24-m.com/
- Ownership
- Privately Held (backing)
24M 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 24M 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 24M in its N-PORT filings yet. We sweep new filings monthly.