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  2. Commonwealth Fusion Systems LLC

Filings through Oct 24, 2026.

Commonwealth Fusion Systems LLC

EIN 82-3262257-renewables & environment-Latest filing 2025
Plans
1
Retirement
1
$71.9M assets
Health & Benefits
0
Participants
1,267
117 HOSPITAL ROAD - DEVENS, MA 01434603-540-5634cfs.energyLinkedIn501-1000 employeesrenewables & environment
Plans on this EIN
1 filing
#001401(k)-$71.9M - 1,267 part

Plan summaries

The plan page shows fees vs peers, audit grade, asset history, contributions and Schedule C providers.

Retirement#001

CFS 401(K) PLAN

401(k)

Assets$71.9M
Participants1,267
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
This company has one plan on file. Open the plan page to see all of its data.

Retirement plans

1 plan on this EIN

PlanNameTypeAssetsParticipantsLatest year
#001CFS 401(K) PLAN401(k)$71.9M1,2672025
  • CFS 401(K) PLAN$71.9M
    #001 · 401(k) · 20251,267
Retirement plans
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