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Third Sphere

29 Norman Avenue, Brooklyn, New York, 11222, United States

Overview

Pre-Seed and Seed stage fund focused on scalable climate action.

Founded

2013

Deals · 12mo

2

Links

WebsiteLinkedInX (Twitter)

Stage focus

Seed
Series A

Geographic focus

Canada
Germany
Israel
The Netherlands
...

Sector focus

CleanTech
GovTech
Real Estate
Smart Building
...

Investment portfolio

13rounds
NAMEDATESIZE
Sonic Fire Tech
Aug 2026Participated
$12 MSeed
Shellworks
Mar 2026Participated
$15 MSeries A
Nevoya
Jul 2025Participated
$9 MSeed
Near Space Labs
Apr 2025Participated
$20 MSeries B
FireDome
Dec 2024Led
$3 MSeed
Nevoya
Oct 2024Led
$3 MSeed
Loamist
Feb 2024Participated
$1 MSeed
CYCLE
Jul 2023Participated
$12 MSeries A
Wasted
Jan 2023Participated
$8 MSeed
Earth Force Technologies
Nov 2022Participated
$9 MSeed
Singularity Energy
May 2022Participated
$6 MSeed
ChargeLab
May 2022Participated
$15 MSeries A
Sonic Fire Tech
Aug 2026Participated
$12 MSeed
Shellworks
Mar 2026Participated
$15 MSeries A
Nevoya
Jul 2025Participated
$9 MSeed
Near Space Labs
Apr 2025Participated
$20 MSeries B
FireDome
Dec 2024Led
$3 MSeed
Nevoya
Oct 2024Led
$3 MSeed
Loamist
Feb 2024Participated
$1 MSeed
CYCLE
Jul 2023Participated
$12 MSeries A
Wasted
Jan 2023Participated
$8 MSeed
Earth Force Technologies
Nov 2022Participated
$9 MSeed
Singularity Energy
May 2022Participated
$6 MSeed
ChargeLab
May 2022Participated
$15 MSeries A
13
Items
...
Browse all public portfolio deals

Insights

Time horizon

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Deal Distribution

Third Sphere: 13 funding rounds are recorded in the selected participation categories.All available history.
Third Sphere: 13 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed27
Series A03
Series B01

Monthly Deal Activity

Third Sphere: 13 deals are recorded across 54 months.All available history.
Third Sphere: 13 deals are recorded across 54 months. All available history
MonthDeals
May '223
Jun '220
Jul '220
Aug '220
Sep '220
Oct '220
Nov '221
Dec '220
Jan '231
Feb '230
Mar '230
Apr '230
May '230
Jun '230
Jul '231
Aug '230
Sep '230
Oct '230
Nov '230
Dec '230
Jan '240
Feb '241
Mar '240
Apr '240
May '240
Jun '240
Jul '240
Aug '240
Sep '240
Oct '241
Nov '240
Dec '241
Jan '250
Feb '250
Mar '250
Apr '251
May '250
Jun '250
Jul '251
Aug '250
Sep '250
Oct '250
Nov '250
Dec '250
Jan '260
Feb '260
Mar '261
Apr '260
May '260
Jun '260
Jul '260
Aug '261
Sep '260
Oct '260

Sector Breakdown

Third Sphere: Clean Energy & Sustainability is the largest displayed sector by deal count (5 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.

Third Sphere: Clean Energy & Sustainability is the largest displayed sector by deal count (5 deals). All available history
SectorDeals
Clean Energy & Sustainability5
Transportation & Logistics5
Professional Services3
Networks, Cloud & Communication2
Hardware & Robotics2
Cybersecurity & Privacy2
Fintech1
Enterprise Software1
Health & Life Sciences1
Food & Agriculture1
Real Estate & Construction1
Space & Frontier Tech1

Deal Size Distribution

Third Sphere: 13 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.

Third Sphere: 13 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M3
$5M-$10M4
$10M-$25M6
$25M-$50M0
$50M-$100M0
$100M-$250M0
$250M-$500M0
$500M-$1B0
$1B+0

Deals By Geography

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

Top 5 of 5 regions; European countries are grouped as Europe.

Third Sphere: United States has the largest recorded deal count among the displayed regions (6 deals). All available history
RegionDeals
United States6
Europe4
947081
Canada1
Israel1
Third Sphere: 20 co-investors are shown, with Founder Collective 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.

Third Sphere: 20 co-investors are shown, with Founder Collective sharing 3 recorded deals. All available history
Co-investorShared deals
Founder Collective3
LocalGlobe3
Bold Capital Partners2
EnBW New Ventures2
Never Lift Ventures2
SpeedUp Group2
Visionaries Club2
ABB E-Mobility1
AirAngels1
Alley Robotics Ventures1
Alter Equity1
APX1
Atooro Fund1
Caesar Fund1
Ciri Ventures1
Climate Capital1
Collaborative Fund1
Construct Capital1
Crosslink Capital1
Day One Ventures1

Investment Strategy

Third Sphere: Led accounts for 15% and participating for 85% of round participation.All available history.
Third Sphere: Led accounts for 15% and participating for 85% of round participation. All available history
CategoryDeals (count)Share (%)
Led215%
Participating1185%
Third Sphere: Single-lead accounts for 0% and co-led for 100% of lead dynamics.All available history.
Third Sphere: Single-lead accounts for 0% and co-led for 100% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead00%
Co-led2100%

Team

Anthony Millin

Venture Partner

Shaun Abrahamson

Co-Founder & Managing Partner

Shilpi Kumar

Partner

Stonly Baptiste Blue

Co-founder & Managing Partner

Yana Andrea Klimova

Chief Financial Officer

Zeev Krieger

Partner