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Sisyphus Ventures (investor - Venture Capital)

United Kingdom sisyphus.vc
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Offices:London

Sisyphus Ventures is an investment fund launched by Louise Boucher looking to invest in defense startups

Average round investment:70.4M USD
Average number per year:3.0
Distribution: 2025 (3)
Portfolio companies: Germany ZeroPhaseUnited Kingdom Tiberius AerospaceFrance Harmattan AI
Mostly invests in: Germany Germany (1) Security (3)

3 tracked investments in:

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Name Criteria
France Mirova
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  • Range for average deal size: 50M - 100M USD
  • Similar verticals: Manufacturing, Software Services, Airline Industry
  • Similar business models: B2B
  • Common investees countries: Germany, France
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  • Active last 12 months: Yes
United States FirstMark Capital
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  • Similar business models: B2B
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United Kingdom HSBC
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  • Similar verticals: Security, Manufacturing, Software Services
  • Similar business models: B2B
  • Common investees countries: Germany, United Kingdom, France
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  • Active last 12 months: Yes
United States Summit Partners
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Germany Athos Service
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  • Range for average deal size: 50M - 100M USD
  • Similar verticals: Manufacturing, Software Services, Electronics
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United States Sands Capital Ventures
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  • Range for average deal size: 50M - 100M USD
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  • Similar business models: B2B
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United States Qualcomm Ventures
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Switzerland Forestay Capital
83%
  • Range for average deal size: 50M - 100M USD
  • Similar verticals: Manufacturing, Software Services, Electronics
  • Similar business models: B2B
  • Common investees countries: Germany, United Kingdom, France
  • Average number of deals per year: 2.0
  • Active last 12 months: Yes
Wa'ed Ventures
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United States Crescent Cove Advisors
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