Startup profile for Astro Mechanica: latest funding, latest known valuation, total disclosed funding, investors, status, sources, and why the company is interesting. Part of the Venture Capital Tracker startup directory.

Startup profile · funding coverage

Astro Mechanica funding, valuation and investors

Supersonic turboelectric adaptive jet engine and aircraft developer.

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Funding, valuation & investors

Answer-first snapshot

Latest funding

Series A

$27.1M · 2025

Latest known valuation

Not publicly disclosed

Total disclosed equity funding

$27M

Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.

Current status

private

series a · San Francisco, California

Investors in latest funding

Other: Andreessen Horowitz

Sources: latest funding: Series A (2025): $27.1M co-led by a16z and Lowercarbon Capital with Giant Step; Greylock among participants (Tectonic Defense) Last verified: 2026-07-25

Overview

Astro Mechanica is developing a turboelectric adaptive jet engine and aircraft platform aimed at efficient supersonic flight. The company combines electric and gas-turbine propulsion in a novel architecture to reduce fuel burn and emissions compared to conventional supersonic designs.

Why Astro Mechanica is interesting

Y Combinator aerospace bet on next-gen propulsion — a16z co-led Series A for a turboelectric engine designed to enable efficient supersonic commercial flight.

Product & use cases

Astro Mechanica is developing a turboelectric adaptive jet engine and aircraft platform aimed at efficient supersonic flight.

  • Enterprise platform deployment for core workflows

Key facts

  • Series A (2025): $27.1M co-led by a16z and Lowercarbon Capital with Giant Step; Greylock among participants (Tectonic Defense)
  • YC-backed aerospace propulsion startup developing turboelectric adaptive engine (Astro Mechanica site)
  • Co-investors not in VCT directory: Lowercarbon Capital, Giant Step Capital

Funding history (newest first)

Series A

2025 $27.1M

Source: Series A (2025): $27.1M co-led by a16z and Lowercarbon Capital with Giant Step; Greylock among participants (Tectonic Defense)

Investors in our directory

Funds linked from Astro Mechanica's profile — open a fund page for stage focus and related deal articles.

Competitive landscape

Edge: Y Combinator aerospace bet on next-gen propulsion — a16z co-led Series A for a turboelectric engine designed to enable efficient supersonic commercial flight.

Astro Mechanica competes in defense-tech, space-tech. Incumbents have distribution; startup edge depends on product depth and buyer references. See competitors for specific tradeoffs — no invented market share claims.

  • Anduril adjacent

    Defense tech platform.

  • Palantir incumbent

    Gov/defense data platform.

  • Rocket Lab adjacent

    Space launch/manufacturing.

  • Planet Labs adjacent

    Earth observation constellation.

Notable stories

  • Series A (2025): $27.1M co-led by a16z and Lowercarbon Capital with Giant Step; Greylock among participants (Tectonic Defense)
  • YC-backed aerospace propulsion startup developing turboelectric adaptive engine (Astro Mechanica site)

Industries

Defense Tech Space Tech

Related funding articles

Venture Capital Tracker pieces that cover Astro Mechanica's financing or category context.

FAQs about Astro Mechanica

Practical answers founders, operators, and investors typically search for.

Astro Mechanica is developing a turboelectric adaptive jet engine and aircraft platform aimed at efficient supersonic flight.
Directory-linked investors include /fund/andreessen-horowitz, /fund/greylock-partners.
series-a stage, private status. Series A (2025): $27.1M co-led by a16z and Lowercarbon Capital with Giant Step; Greylock among participants (Tectonic Defense)
Private as of July 2026 (status: private).
See fundraisingRounds for verified dates and disclosed amounts.
See competitors section — named alternatives with honest positioning notes.
Not publicly disclosed unless noted in highlights.
San Francisco, California

By Venture Capital Tracker

Last updated:

Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.