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Funding round

Helion Seed

Helion, which works in fusion energy research and development in Everett, raised $1.5M in a Seed round announced on 1 Jan 2014. 2 firms took part. It is Helion's first venture round on record.

$1.5M

Amount raised

Not disclosed

Post-money valuation

2

Investors

no lead named

Valuation

What this round says about the price

Helion did not disclose a valuation in this round. It is Helion's first venture round on record, 1 year after it was founded in 2013. It is under 1% of the $1.47B Helion has raised in the venture rounds on record. Helion raised again 80 months later: a Series D round of $40M in Sep 2020, at $1.25B post-money.

Helion's funding rounds

Helion has 6 venture rounds on record. This one is highlighted.

  1. Seed this round 1 Jan 2014 $1.5M
  2. Series D 22 Sep 2020, led by Dustin Moskovitz $40M$1.25B post-money
  3. Series E 5 Nov 2021, led by Sam Altman $500M$3.00B post-money
  4. Growth 1 Sep 2023 $35M
  5. Series F 28 Jan 2025 $425M$5.42B post-money
  6. Series G 4 Jun 2026, led by Thrive Capital $465M$15.50B post-money

Investors

Who put money in

2 firms took part; no lead investor was named.

Investors

  • Y Combinator backs 1,295 venture-backed companies new investor
  • backs 16 venture-backed companies new investor

Comparable rounds

How it compares

The closest in time: Seed rounds in any sector within 6 months:

Comparable rounds
CompanyAnnouncedAmountPost-moneyLed by
Tech Companies22 Jan 2014$10Mnot disclosednot named
Groceries1 Jan 2014$8.0Mnot disclosednot named
Medical Supply Manufacturers17 Jan 2014$2.4Mnot disclosedAIB Seed Capital Fund
Tech Companies1 Jan 2014$2.0Mnot disclosednot named
Automobile Dealers & Manufacturers1 Jan 2014$2.0Mnot disclosednot named
Clothing Manufacturers1 Jan 2014$2.0Mnot disclosednot named
Tech Companies1 Jan 2014$2.0Mnot disclosedRincon Venture Partners and Daher Capital
MasterClass Learning, Tutoring & Courses1 Jan 2014$1.9Mnot disclosedHarrison Metal

Sources

Where this comes from

Reported by 3 sources.

Questions

Frequently asked

How much did Helion raise in its Seed round?

Helion raised $1.5M in its Seed round, announced in Jan 2014.

Which investors took part in Helion's Seed round?

Y Combinator and Mithril.

What was Helion's valuation at the Seed round?

It was not disclosed.

Did Helion raise again after this round?

Yes: a Series D round in Sep 2020 of $40M at $1.25B post-money.