DiamondStream Partners Overview

  • Investor Type
  • Venture Capital

  • Status
  • Active

  • Professionals
  • 4

Professionals

  • Investments
  • 18

  • Portfolio
  • 9

  • Exits
  • 2

Exits

DiamondStream Partners General Information

Company Description

Founded in 2003, DiamondStream is a venture capital firm based in Seattle, Washington. The firm prefers to invest in middle-stage aerospace companies, aviation-related companies, and hardware and software companies based in the United States, and Europe.

Business Details

Year Founded
2003
Investor Status
Actively Seeking New Investments
Primary Investor Type
Venture Capital
Other Investor Types
Growth/Expansion
Corporate Office
  • 1625 Federal Avenue East
  • Seattle, WA 98102
  • United States
+1 (206)

DiamondStream Partners Investments (18)

Company Name Deal Date Deal Type Deal Size Industry Company Stage Lead Partner
Ampaire 20-Aug-2026 Later Stage VC Aerospace and Defense Generating Revenue
JetZero 13-Mar-2026 Aerospace and Defense Generating Revenue
Elroy Air 15-Nov-2024 Aerospace and Defense Generating Revenue
Wingtra 19-Aug-2024 Other Hardware Generating Revenue
VerdeGo Aero 01-Jul-2024 Aerospace and Defense Generating Revenue
SwissDrones 02-Apr-2024 Other Hardware Generating Revenue
Elroy Air 05-Feb-2024 Aerospace and Defense Generating Revenue
Wingtra 20-Mar-2023 Other Hardware Generating Revenue
SwissDrones 05-Jan-2023 Later Stage VC Other Hardware Generating Revenue
AlarisPro 20-Oct-2022 Later Stage VC Business/Productivity Software Generating Revenue
You’re viewing 10 of 18 investments. Get the full list »

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DiamondStream Partners Exits (2)

Company Name Exit Date Exit Type Exit Size
Stellar Mobility 17-Oct-2023
You’re viewing 1 of 2 exits. Get the full list »

DiamondStream Partners Investments by Industry, Year, and Region

Investments by Industry

Investments by Year

Investments by Region

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DiamondStream Partners Co-Investors (89)

Name With Exits Lead Partner Series Industry
Gaingels 3 Series chart Industry bar
Climate Capital Series chart Industry bar
Ingleside Investors Series chart Industry bar
Mana Ventures Series chart Industry bar
Marlinspike Series chart Industry bar
You’re viewing 5 of 89 co-investors. Get the full list »

DiamondStream Partners FAQs

  • What is DiamondStream Partners?

    Founded in 2003, DiamondStream is a venture capital firm based in Seattle, Washington.

  • When was DiamondStream Partners founded?

    DiamondStream Partners was founded in 2003.

  • Where is DiamondStream Partners headquartered?

    DiamondStream Partners is headquartered in Seattle, WA.

  • How many investments has DiamondStream Partners made?

    DiamondStream Partners has made 18 investments.

  • What has DiamondStream Partners invested in?

    DiamondStream Partners has made numerous investments in companies like Ampaire, JetZero, and Elroy Air within the Aerospace and Defense industry.

  • What has DiamondStream Partners invested in recently?

    DiamondStream Partners's latest investment was on 20-Aug-2026 in Ampaire, a company within the Aerospace and Defense industry.

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