Phoenix Tailings key facts
as of Oct 2026- Operator of a metal refining company intended to leverage untapped value within mining and refining waste economically and sustainably.
- Phoenix Tailings is valued at approximately $395.0M as of Oct 2026, set at its later-stage round, Feb 2026; nothing has traded since, per PrivateMarketView’s mark.
- It has raised $128.7M across 2 recorded rounds; the latest was Later Stage VC ($106.6M) in Nov 2024.
- Notable investors include Techstars, US National Science Foundation, Mana Ventures, Gaingels, U.S. Department of Energy — 50 tracked in total.
- 1 investment vehicle was formed to buy Phoenix Tailings shares in the last 12 months, reporting $1.9M sold to 42 investors, per SEC Form D filings.
- Phoenix Tailings has filed 4 Form Ds with the SEC since 2021, most recently Mar 2026 ($106.6M sold to 75 investors).
- Status: Privately Held (backing).
Valued at $395.0M at its later-stage round, Feb 2026. Nothing has traded since.
- ·The complete investor list: 50 names
- ·Watch Phoenix Tailings: the Monday email on marks, rounds and moves
Phoenix Tailings funding rounds
2 roundsVehicles formed to buy Phoenix Tailings shares
secondary demand · SEC Form D filingsIn the last 12 months, 1 investment vehicle were formed to buy Phoenix Tailings shares, reporting $1.9M sold to 42 investors. Most recent filing Feb 2026.
Membership and data by Private Market View
Who backs Phoenix Tailings
50+Phoenix Tailings valuation
Phoenix Tailings was valued at $395 million at its later-stage round in Feb 2026. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.
How much has Phoenix Tailings raised?
Phoenix Tailings has raised $129 million across 2 recorded rounds since 2021. The largest was a $12.1 million early-stage round in Jul 2021; the most recent was a $107 million later-stage round in Nov 2024.
Phoenix Tailings has filed 4 Form Ds with the SEC since 2021, most recently in Mar 2026 ($107 million sold to 75 investors).
Institutional holders and vehicles
In the last 12 months, 1 investment vehicle was formed to buy Phoenix Tailings shares, reporting $1.9 million sold to 42 investors, per SEC Form D filings (most recent Feb 2026).
Phoenix Tailings investors
50 investors are on record for Phoenix Tailings, including Techstars, US National Science Foundation, Mana Ventures and Gaingels. By type, the record holds 15 venture capital firms and 2 family offices. The later-stage round in Nov 2024 drew 75 investors.
About Phoenix Tailings
Operator of a metal refining company intended to leverage untapped value within mining and refining waste economically and sustainably. The company engages in mining and refining waste and treating them as new ore that can be used by various industries, thereby sustainably creating primary metals and eliminating hazardous environmental waste, enabling enterprises to access carbon-free environmental alternatives through new ways to mine metals from industrial waste.
- Sector
- Materials and Resources
- HQ
- Woburn, MA, United States
- Founded
- 2019
- Employees
- 115
- Website
- phoenixtailings.com/
- Ownership
- Privately Held (backing)
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