

Startup · United States
Phoenix Tailings
HQ Woburn, United StatesFounded 201951-200 employees
US company producing rare-earth metals at facilities in Burlington, Massachusetts, and Exeter, New Hampshire.
- AcquisitionsMachinery Partner
Funding4 rounds · ~$128M
- Disclosed
- ~$128M
- Latest
- $40.2MSeries B · Feb 18, 2026
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Feb 18, 2026 | Series B | $40.2M | $360M? | Olive Tree Capital | Aether VC | Confirmed |
| May 1, 2025 | Series B | $33.0M | — | — | — | Confirmed |
| Dec 31, 2024 | Series B | $43.0M | — | Envisioning Partners | — | Reported |
| 2021 | Series A | ~$12.1M | — | Olive Tree Capital | — | Reported |
- $40.2MFeb 18, 2026
- Series BConfirmed$33.0MMay 1, 2025
- Series BLed by Envisioning Partners$43.0MDec 31, 2024
- Series ALed by Olive Tree Capital~$12.1M2021
Totals add known amounts using recorded USD conversions where available; other currencies are shown separately. A ~ marks an estimated amount.
Government awards & programs1 award · up to $500M ceiling
Awards received1
| Announced | Award | Agency | Type | Program | Obligated | Ceiling | Confidence |
|---|---|---|---|---|---|---|---|
| Jun 16, 2026 | OSC conditional loan commitment for rare earth metal productionpress:phoenix-tailings:2026-06-16 | Office of Strategic Capital | Loan | — | — | Up to $500M | Confirmed |
- OSC conditional loan commitment for rare earth metal productionJun 16, 2026 · LoanConfirmedUp to $500MCeiling
Obligated is what has been committed so far; ceiling is the most the award can reach. Joint values cover all recipients and are excluded from this company’s money totals.
Supply chain1 input
Produces, processes or develops1
| Input | Relation | Criticality | Capacity | Global share | Facility | Confidence |
|---|---|---|---|---|---|---|
| Rare-earth metal and alloy | Produces | Critical | — | — | — | Confirmed |
People4
Hiring observations5 listings
Burlington, MA · Full-time · Other
Availability unverified · Bright Data / LinkedIn
Observed Oct 5, 2026
Pilot Plant Engineering Director ↗
Burlington, MA · Full-time · Engineering
Availability unverified · Bright Data / LinkedIn
Observed Oct 5, 2026
Senior Associate Office of the CEO ↗
Burlington, MA · Full-time · Other
Availability unverified · Bright Data / LinkedIn
Observed Oct 5, 2026
Senior Associate Strategic Initiatives ↗
Burlington, MA · Full-time · Other
Availability unverified · Bright Data / LinkedIn
Observed Oct 5, 2026
Vice President of Engineering Projects ↗
Burlington, MA · Full-time · Engineering
Availability unverified · Bright Data / LinkedIn
Observed Oct 5, 2026
A sample of observed listings, not a total vacancy count. Availability may have changed since collection. Categories are inferred from job titles.
Company metrics
Employee-profile counts reflect LinkedIn profiles associated with the company, not verified headcount. One observation establishes a baseline; it does not establish growth.
Sources10
Profile1
- 1
LinkedIn via Bright Data · Supports Organization · company size, Organization · founded, Organization · headquarters, Organization · logo, Organization · url
“{"company_size": "51-200 employees"}”
Funding7
- 2Regulatory filingPhoenix Tailings, Inc. - SEC Form D/A (0001875606-26-000004)
U.S. Securities and Exchange Commission · Mar 6, 2026 · Supports Funding round
“Total Amount Sold $106,580,755 USD”
- 3
Business Wire · Feb 19, 2026 · Supports Funding round · amount
“Phoenix Tailings has closed a $40.2 million oversubscribed B-3 amplification round, bringing total Series B funding to $116.6 million.”
- 4
Mining.com (Bloomberg News) · Feb 18, 2026 · Supports Funding round · post money valuation usd
“raised the funds through a Series B round that values the firm at $360 million, according to chief executive officer Nick Myers”
- 5
Business Wire · May 1, 2025 · Supports Funding round, Funding round · amount
“expanded the initial $43 million Series B round, led by Envisioning Partners, to $76 million on a second close.”
- 6
Reuters · Dec 31, 2024 · Supports Funding round · amount
“Phoenix's $43 million Series B funding round, which closed on Dec. 20”
- 7Regulatory filingPhoenix Tailings, Inc. - SEC Form D (0001875606-21-000001)
U.S. Securities and Exchange Commission · Jul 28, 2021 · Supports Funding round · amount
“Total Amount Sold $12,086,135 USD”
- 8
Mining Technology · Supports Funding round
“Led by Envisioning Partners, the Series B financing will support Phoenix Tailings”
Government1
- 9Government recordOffice of Strategic Capital Signs $500 Million Conditional Loan Commitment With Phoenix Tailings
U.S. Department of War · Jun 16, 2026 · Supports Government award, Organization, Organization input
“Office of Strategic Capital Signs $500 Million Conditional Loan Commitment With Phoenix Tailings”
People1
- 10
Crunchbase via Bright Data · Supports Role · founders
“{"founders": [{"id": "anthony-balladon-d754", "type": "person", "value": "Anthony Balladon"}, {"id": "michelle-chao-2aa6", "type": "person", "value": "Michelle Chao"}, {"id": "nicholas-myers-f11f", "type": "person", "value": "Nicholas Myers"}, {"id": "tomás-villalón", "type": "person", "value": "Tomás Villalón"}]}”
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