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Adden Energy

Waltham, MA · Founded 2021 · Privately Held (backing)

Developer a solid-state battery to demonstrate charge times and capacity retention over long cycles. Adden Energy is based in Waltham, MA and was founded in 2021. Its last known valuation is $45 million. It has raised $20.1 million across 2 recorded rounds; the latest was a $15 million early-stage round in Aug 2024.

Last price · $/share
—
Implied valuation
$45.0M
Total raised
$20.1M
Last round
Early Stage VC
Aug 2024

Adden Energy key facts

  • Developer a solid-state battery to demonstrate charge times and capacity retention over long cycles.
  • Adden Energy’s last known valuation is $45.0M.
  • It has raised $20.1M across 2 recorded rounds; the latest was Early Stage VC ($15.0M) in Aug 2024.
  • Notable investors include US National Science Foundation, MassVentures, At One Ventures, Harvard University, Primavera Capital Group — 7 tracked in total.
  • Adden Energy has filed 2 Form Ds with the SEC since 2022, most recently Sep 2024 ($15.0M sold to 4 investors).
  • Status: Privately Held (backing).
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Adden Energy funding rounds

2 rounds
Aug 2024Early Stage VC$15.0MSEC filing▮
Feb 2022Early Stage VC$5.1MSEC filing▮
Full funding history →

Adden Energy valuation

Adden Energy's last known valuation is $45 million. The figure stands until a priced round, a secondary trade or an institutional fund mark prices the stock again.

How much has Adden Energy raised?

Adden Energy has raised $20.1 million across 2 recorded rounds since 2022. The largest was a $5.1 million early-stage round in Feb 2022; the most recent was a $15 million early-stage round in Aug 2024.

Adden Energy has filed 2 Form Ds with the SEC since 2022, most recently in Sep 2024 ($15 million sold to 4 investors).

Adden Energy investors

7 investors are on record for Adden Energy, including US National Science Foundation, MassVentures, At One Ventures and Harvard University. The early-stage round in Aug 2024 drew 4 investors.

About Adden Energy

Developer a solid-state battery to demonstrate charge times and capacity retention over long cycles. The company offers the development of new next-generation battery technologies to enable mass adoption providing electric vehicles around the world with sustainable batteries and contributing greatly to a cleaner future, enabling customers to store energy more efficiently and reduce their reliance on fossil fuels.

Sector
Business Products and Services (B2B)
HQ
Waltham, MA, United States
Founded
2021
Employees
8
Ownership
Privately Held (backing)

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Valuation on record
$45.0M

Adden Energy’s last known valuation. A PrivateMarketView mark is published once fund marks, secondary prints or a priced round let us confirm it.