Swedish Blykalla raises $50 million to advance its lead-cooled reactor technology, co-led by Oklo Inc and Norrsken Launcher.
Amount Raised
$50 Million
Round Type
Funding Round
StockholmManufacturingEnergyInvestors
Description
Stockholm-based nuclear startup Blykalla has raised $50 million to advance the industrialization of SEALER, its lead-cooled small modular reactor. The funding will enhance testing, engineering work, and regulatory preparations for initial deployment. Investors include Oklo Inc, KDDI, and several venture capital firms. This round aims to meet the growing demand for reliable low-carbon power solutions.
Quick answer
Blykalla raised $50 Million in a Funding Round round, dated December 19, 2025. Investors: GK Goh, Oklo Inc, Pitango, Earth Venture Capital, Nucleation Capital, Norrsken Launcher, CoreWeave co-founders Brian Venturo and Peter Salanki and Kddi. Blykalla is based in Stockholm, Stockholm County, Sweden.
- How much did Blykalla raise?
- Blykalla raised $50 Million in a Funding Round round on December 19, 2025.
- Who invested in Blykalla?
- GK Goh, Oklo Inc, Pitango, Earth Venture Capital, Nucleation Capital, Norrsken Launcher, CoreWeave co-founders Brian Venturo and Peter Salanki and Kddi are named as investors in this round.
- What does Blykalla do?
- Blykalla is on a mission to change the energy future of the world, by providing green, safe, baseload energy through next generation small modular lead-cooled reactors.
- Where is Blykalla based and how big is it?
- Blykalla is based in Stockholm, Stockholm County, Sweden. Fundz records about 82 employees.
- Who are the decision-makers at Blykalla?
- Fundz holds 1 contact at Blykalla. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Energy and Manufacturing around the same time
Companies in the same sectors as Blykalla that raised within 45 days of this round, from Fundz verified event records.
- Orion Energy Systems raised $6.4M (Post-IPO Equity) on February 2, 2026.
- Visolis raised $2.9M (Grant) on January 29, 2026.
- LeydenJar raised $9.3M on January 29, 2026.
- XFuel raised $20M (Series A) on January 28, 2026.
- GlassPoint raised $20M on January 26, 2026.
- Ascent Solar Technologies raised $10M on January 23, 2026.
Who to call at Blykalla, and when
A new round usually means Blykalla is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day Blykalla raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Blykalla, from your own LinkedIn network
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