DiamondStream

Venture Capital

DiamondStream Partners manages funds that invest in aviation and travel companies, committed to building the future of aviation and mobility transformation.

Seattle, United States · 6+ investments · 5 portfolio companies

Seed
Aerospace
Mobility
Travel & Hospitality
Headquarters
Seattle, United States
Portfolio Companies
5
Total Investments
6
Last Investment
Aug 2026

Indexed holds 5 portfolio companies and 6 funding rounds for this investor. The full record is or through the API.

Investment Thesis

Looks for rough diamonds in mobility transformation to help founders build successful companies.

DiamondStream is a Venture Capital firm based in Seattle, United States. It has made 6 investments, including WINGTRA, Elroy Air and Volantio. Focus areas include Aerospace and Mobility.

Portfolio5

Co-investors24

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24 co-investors across 26 shared portfolio companies — who they back alongside, and how often they lead.

Venture Capital ×18 · Corporate VC ×3 · Accelerator ×2 · 11 shared rounds

Investment History

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DiamondStream on Indexed.vc
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