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Arinna logo

Startup · United States

Arinna

HQ South San Francisco, CA1-10 employees

We move humanity forward by building the lightest way to power space infrastructure at scale.

StartupDevelopment
Website
Total raised
$4.0M
1 round
Last round
$4.0M
Seed · Mar 25, 2026
Systems
1
Most mature: development
Mentions
2
Latest Jun 18, 2026

News2

Open in the news feed →

Funding1 round · $4.0M

Equity raised
$4.0M
Latest
$4.0MSeed · Mar 25, 2026

Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.

Systems1

Newest unveiled first. Open a system for its milestone timeline, components and sources.

Supply Chain1 facility

Facilities1

  • Arinna South San Francisco headquarters
    Headquarters · South San Francisco, CA, United States
    Operating
    Confirmed

People4

All 4 people →

Company Metrics

LinkedIn employee profiles
14
Observed Oct 11, 2026
Bright Data / LinkedIn · Source ↗
LinkedIn followers
450
Observed Oct 11, 2026
Bright Data / LinkedIn · Source ↗

Employee-profile counts reflect LinkedIn profiles associated with the company, not verified headcount. One observation establishes a baseline; it does not establish growth.

Sources8

Profile2

  1. 1
    DatabaseSixth-Domain public startups directory

    Sixth-Domain · Supports Organization · kind

    “{"id": "016cf719-ec15-4383-af7a-54a781599a6c", "name": "Arinna", "stage": "Pre-Seed"}”
  2. 2
    CompanyArinna | Space Energy at Scale

    Arinna · Supports Organization · description, Organization · name, Organization · website

    “We move humanity forward by building the lightest way to power space infrastructure at scale.”

Systems3

  1. 3
    NewsPowering the Space Economy

    Stanford TomKat Center · Jun 18, 2026 · Supports System

    “This December, Arinna will ship its lightweight panels to the International Space Station”
  2. 4
    NewsArinna raises $4M seed round to solve the space power problem

    TechCrunch · Mar 25, 2026 · Supports Funding round · amount, Organization · ownership, System · maturity

    “it had raised a $4 million seed round”
  3. 5
    CompanyTechnology | Arinna

    Arinna · Supports System

    “Arinna is building an ultra-thin, truly-flexible solar technology with extremely high power-per-mass and radiation hardness.”

Supply chain2

  1. 6
    DatabaseArinna - LinkedIn company profile

    LinkedIn · Supports Facility, Organization metric · employees in linkedin, Organization metric · followers

    “headquarters: South San Francisco, California”
  2. 7
    Government recordARINNA, INC - USAspending recipient profile

    USAspending.gov · Supports Facility

    “ARINNA, INC; SOUTH SAN FRANCISCO, CA”

People1

  1. 8
    DatabaseArinna - Crunchbase company profile

    Crunchbase · Supports Organization · country, Organization · employee range, Organization · hq city, Organization · legal name, Organization · linkedin url, Organization · status, Role

    “country: US”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.