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Nucleation Capital

655 Oak Grove Avenue, #15, Menlo Park, California, 94026, United States

Overview

Venture capital firm investing in advanced nuclear and decarbonization.

Deals · 12mo

2

Links

WebsiteLinkedInX (Twitter)

Stage focus

Seed
Series A

Geographic focus

Sweden
United States

Sector focus

Venture Capital

Investment portfolio

8rounds
NAMEDATESIZE
Apollo Atomics
Aug 2026Participated
$31 MSeed
Blykalla
Dec 2025Participated
$50 MOther Equity
The Nuclear Company
Sep 2025Participated
$11 MSeries A
Nuclearn
Sep 2025Participated
$11 MSeries A
Aalo Atomics
Aug 2025Participated
$100 MSeries B
Blue Energy
Oct 2024Participated
$45 MSeries A
Blykalla
Apr 2024Led
$7 MOther Equity
Nuclearn
Aug 2023Participated
$3 MSeed
Apollo Atomics
Aug 2026Participated
$31 MSeed
Blykalla
Dec 2025Participated
$50 MOther Equity
The Nuclear Company
Sep 2025Participated
$11 MSeries A
Nuclearn
Sep 2025Participated
$11 MSeries A
Aalo Atomics
Aug 2025Participated
$100 MSeries B
Blue Energy
Oct 2024Participated
$45 MSeries A
Blykalla
Apr 2024Led
$7 MOther Equity
Nuclearn
Aug 2023Participated
$3 MSeed
8
Items
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Insights

Time horizon

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Deal Distribution

Nucleation Capital: 8 funding rounds are recorded in the selected participation categories.All available history.
Nucleation Capital: 8 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed02
Series A03
Series B01
Other Equity11

Monthly Deal Activity

Nucleation Capital: 8 deals are recorded across 39 months.All available history.
Nucleation Capital: 8 deals are recorded across 39 months. All available history
MonthDeals
Aug '231
Sep '230
Oct '230
Nov '230
Dec '230
Jan '240
Feb '240
Mar '240
Apr '241
May '240
Jun '240
Jul '240
Aug '240
Sep '240
Oct '241
Nov '240
Dec '240
Jan '250
Feb '250
Mar '250
Apr '250
May '250
Jun '250
Jul '250
Aug '251
Sep '252
Oct '250
Nov '250
Dec '251
Jan '260
Feb '260
Mar '260
Apr '260
May '260
Jun '260
Jul '260
Aug '261
Sep '260
Oct '260

Sector Breakdown

Nucleation Capital: Clean Energy & Sustainability is the largest displayed sector by deal count (8 deals).All available history.

A deal can appear in multiple sectors, so sector totals may overlap. Capital represents disclosed total round sizes, not fund cheque sizes.

Nucleation Capital: Clean Energy & Sustainability is the largest displayed sector by deal count (8 deals). All available history
SectorDeals
Clean Energy & Sustainability8
Space & Frontier Tech8
Manufacturing3
AI & Machine Learning2

Deal Size Distribution

Nucleation Capital: 8 rounds have a disclosed size in the displayed size bands.All available history.

Undisclosed round sizes are excluded. Capital represents total round sizes, not fund cheque sizes.

Nucleation Capital: 8 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M1
$5M-$10M1
$10M-$25M2
$25M-$50M2
$50M-$100M1
$100M-$250M1
$250M-$500M0
$500M-$1B0
$1B+0

Deals By Geography

Nucleation Capital: United States has the largest recorded deal count among the displayed regions (6 deals).All available history.

Top 2 of 2 regions; European countries are grouped as Europe.

Nucleation Capital: United States has the largest recorded deal count among the displayed regions (6 deals). All available history
RegionDeals
United States6
Europe2
Nucleation Capital: 20 co-investors are shown, with AZ-VC sharing 3 recorded deals.All available history.

Co-Investors

Bubble size = shared deals

Click a bubble to open that fund in a new tab.

Shows up to 20 co-investors ranked by shared deals. Deals may be shared with multiple funds, so rows overlap. Capital is total round size, not fund cheque size.

Nucleation Capital: 20 co-investors are shown, with AZ-VC sharing 3 recorded deals. All available history
Co-investorShared deals
AZ-VC3
Alumni Ventures2
Blue Bear Capital2
Earth Venture Capital2
Norrsken VC2
SJF Ventures2
Angular Ventures1
Armada Investment1
At One Ventures1
August One1
Crescent Enterprises1
Crosscut Ventures1
Duke Angel Network1
E14 Fund1
Engine Ventures1
Farvatn Private Equity1
FCVC1
Fifty Years1
Fine Structure Ventures1
G. K. Goh1

Investment Strategy

Nucleation Capital: Led accounts for 13% and participating for 88% of round participation.All available history.
Nucleation Capital: Led accounts for 13% and participating for 88% of round participation. All available history
CategoryDeals (count)Share (%)
Led113%
Participating788%
Nucleation Capital: Single-lead accounts for 0% and co-led for 100% of lead dynamics.All available history.
Nucleation Capital: Single-lead accounts for 0% and co-led for 100% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead00%
Co-led1100%

Team

Valerie Gardner

Managing Partner