Funding round
Valar Atomics Series B
Valar Atomics, which works in nuclear reactor design and construction in Hawthorne, raised $1.00B in a Series B round announced on 3 Aug 2026, led by Sequoia Capital, at a $6.00B post-money valuation. 10 firms took part. It is Valar Atomics' fourth venture round on record; the one before was a Growth in Apr 2026.
$1.00B
Amount raised
$6.00B
Post-money valuation
$5.00B pre-money
10
Investors
1 lead
3.0x
Step-up from the Growth
$2.00B in Apr 2026
17%
Stake sold
new money over the post-money
Valuation
What this round says about the price
This round priced Valar Atomics at $6.00B after the new money, 3.0 times the $2.00B of its Growth (Apr 2026). The $1.00B bought investors about 17% of the company. It came 4 months after Valar Atomics' Growth. It is 63% of the $1.60B Valar Atomics has raised in the venture rounds on record. No later venture round is on record for Valar Atomics.
Valar Atomics' funding rounds
Valar Atomics has 4 venture rounds on record and 1 other deal. This one is highlighted.
- Seed 20 Feb 2025, led by Riot Ventures $19M
- Series A 10 Nov 2025, led by Snowpoint Ventures, Day One Ventures and Dream Ventures $130M
- Growth 2 Apr 2026 $450M$2.00B post-money
- Series B this round 3 Aug 2026, led by Sequoia Capital $1.00B$6.00B post-money
- Debt not a venture round 4 Aug 2026, led by Erebor Bank $200M
Investors
Who put money in
Sequoia Capital led the round with 9 other firms.
Lead investor
- Sequoia Capital backs 589 venture-backed companies new investor
Also in the round
- Apandion new investor
- Atreides Management backs 53 venture-backed companies new investor
- backs 44 venture-backed companies new investor
- Dream Ventures new investor
- backs 60 venture-backed companies new investor
- backs 20 venture-backed companies new investor
- backs 19 venture-backed companies new investor
- backs 7 venture-backed companies new investor
- Valor backs 143 venture-backed companies new investor
Joined the board: Shaun Maguire (Sequoia Capital).
Use of proceeds
What the money is for
According to the announcement, the money goes to product development, scaling operations and working capital.
- Product development
- Scaling operations
- Working capital
Comparable rounds
How it compares
5 Series B rounds in Electric Supplies & Power Generation within a year either side disclosed an amount; the median was $50M, and this round was 20 times the median. The closest in time, other companies' Series B rounds in Electric Supplies & Power Generation:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Blue Energy Electric Supplies & Power Generation | 16 Jul 2026 | undisclosed | not disclosed | not named |
| Electric Supplies & Power Generation | 15 Oct 2026 | $50M | not disclosed | Endeit and DeepTech & Climate Fonds |
| Electric Supplies & Power Generation | 19 Feb 2026 | $13M | not disclosed | Arizona Nuclear Ventures |
| Electric Supplies & Power Generation | 1 Oct 2025 | $14M | not disclosed | not named |
| Commonwealth Fusion Systems Electric Supplies & Power Generation | 28 Aug 2025 | $863M | not disclosed | not named |
| Electric Supplies & Power Generation | 19 Aug 2025 | $100M | not disclosed | Valor |
Sources
Where this comes from
Reported by 9 sources.
Questions
Frequently asked
How much did Valar Atomics raise in its Series B round?
Valar Atomics raised $1.00B in its Series B round, announced in Aug 2026.
Who led Valar Atomics' Series B round?
Sequoia Capital led it, with Apandion, Atreides Management, Conviction, Dream Ventures and HOF Capital and 4 more.
What was Valar Atomics' valuation at the Series B round?
$6.00B post-money ($5.00B pre-money).
How does it compare with other Series B rounds in Electric Supplies & Power Generation?
5 Series B rounds in Electric Supplies & Power Generation within a year either side disclosed an amount; the median was $50M, and this round was 20 times the median.