Sparta Group

Family office · Stoneham, Massachusetts

Sparta Group is a single-family office based in Stoneham, Massachusetts. 5 portfolio companies and 2 recorded rounds are on record.

AUM
—
Portfolio companies
5
Recorded deals
2
Last investment
Feb 2026

Sparta Group key facts

  • Sparta Group is a family office based in Stoneham, Massachusetts with 5 tracked portfolio companies.
  • Notable positions include Stoke Space, Zolve, Pixxel Space Technologies.
  • PrivateMarketView records 2 deal participations by Sparta Group.

About Sparta Group

Sparta Group is a single-family office based in Stoneham, Massachusetts. The firm provides investment and advisory services to high net worth individuals and families.

Investment activity

Sparta Group joined 1 recorded round in the last two years, in line with the 1 in the two years before. By year: 1 in 2026 and 1 in 2023. Sparta Group most often invests alongside Breakthrough Energy (2 shared rounds), Industrious Ventures (2 shared rounds) and NFX (2 shared rounds). Most recently: Stoke Space (Series D, Feb 2026) and Stoke Space (Series B, Oct 2023).

Sparta Group portfolio at a glance

5 portfolio companies are on record for Sparta Group, including Stoke Space, Zolve and Pixxel Space Technologies.

4 of the 5 carry a recorded valuation and 1 have recorded secondary-market trades, the names a secondary buyer or seller can price.

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Portfolio

5 companies · priced for members
CompanyValuationRole
Stoke Space▮▮
Zolve▮▮
Pixxel Space Technologies▮▮
+ 2 more companies · all 5, priced and dated
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Sparta Group recent deals

2 recorded
Feb 2026Stoke SpaceSeries D▮
Oct 2023Stoke SpaceSeries B▮
amounts and lead flags are a member featureUnlock all 2 deals

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Frequently asked about Sparta Group

What companies does Sparta Group invest in?
Sparta Group has 5 recorded portfolio companies, including Stoke Space, Zolve, Pixxel Space Technologies.