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Rune secures $40 million in Series A funding to launch RELIC, its innovative solar-powered data center. Spark Capital leads the round with participation from several key investors.

PRIVATESep 16, 2026

Amount Raised

$40 Million

Round Type

Series A

HardwareRenewable EnergyCloud Infrastructure

Investors

Union Square VenturesLowercarbon CapitalActivate CapitalCommitted CapitalTimeless PartnersLogos FundSpark Capital

Description

Rune has introduced RELIC, a modular compute system that utilizes solar energy at generation sites. The launch is backed by a $40 million Series A funding round. Spark Capital leads this investment, showcasing confidence in Rune's innovative approach to optimize energy use. Other notable investors include Union Square Ventures and Lowercarbon Capital.

Who else raised in Hardware and Renewable Energy around the same time

Companies in the same sectors as Rune that raised within 45 days of this round, from Fundz verified event records.

  • Bandwidth raised $50M (Debt Financing) on October 29, 2026.
  • Verda raised $189M (Series B) on September 22, 2026.
  • Branch Energy raised $33M (Series B) on September 15, 2026.
  • Green Voltis raised an undisclosed amount (Series A) on October 30, 2026.
  • Noak raised $5.6M (Seed) on October 30, 2026.
  • KineDB raised $948K (Pre-Seed) on October 29, 2026.

Who to call at Rune, and when

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Company Information

Company

Rune

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Funding Insights

What this usually means
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months

Rune raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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