Blykalla

Raised $50M, announced 18 December 2025.

Total raised
$50M

Country SwedenSector Climate & Energy

Round

$50MRound, 18 December 2025

Round co-led by Oklo, Norrsken Launcher and ARMADA to industrialize the SEALER reactor.

Amount
$50M
Announced
18 December 2025
Lead
Oklo
Other investors
Norrsken Launcher, ARMADA Investment, KDDI, Brian Venturo, Peter Salanki, August One
Use of funds
Round co-led by Oklo, Norrsken Launcher and ARMADA to industrialize the SEALER reactor.
Checked
Announced by the company
Sources
Blykalla raises $50M for its lead-cooled small modular reactor blykalla.com
Blykalla raises $50M for its lead-cooled small modular reactor arcticstartup.com
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Company

Develops SEALER, a small lead-cooled advanced nuclear reactor

Based in
Stockholm, Sweden
Sector
Climate & Energy
Website
blykalla.com ↗

Links

Website
blykalla.com ↗

Questions

How much has Blykalla raised?

Blykalla raised $50M, announced on 18 December 2025.

Who invested in Blykalla?

Oklo led. Investors include Oklo, Norrsken Launcher, ARMADA Investment, KDDI, Brian Venturo and Peter Salanki.