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Thin Line Capital

1545 Riviera Drive, Pasadena, CA, 91107, United States

Overview

Seed stage venture capital focused on energy and sustainability.

Founded

2017

Deals · 12mo

2

Links

WebsiteLinkedIn

Stage focus

Series A

Geographic focus

Canada
United States

Sector focus

—

Investment portfolio

8rounds
NAMEDATESIZE
Reframe Systems
Aug 2026Participated
$40 MOther Equity
SenseNet
Oct 2025Participated
$14 MSeries A
XGS Energy
May 2024Participated
$20 MSeries A
XGS Energy
Jan 2024Participated
$10 MOther Equity
Optiwatt
Nov 2023Participated
$7 MSeries A
Divirod Inc.
Aug 2023Participated
$4 MOther Equity
Kevala
Aug 2021Led
$21 MSeries A
Divirod Inc.
Feb 2021Led
$1 MOther Equity
Reframe Systems
Aug 2026Participated
$40 MOther Equity
SenseNet
Oct 2025Participated
$14 MSeries A
XGS Energy
May 2024Participated
$20 MSeries A
XGS Energy
Jan 2024Participated
$10 MOther Equity
Optiwatt
Nov 2023Participated
$7 MSeries A
Divirod Inc.
Aug 2023Participated
$4 MOther Equity
Kevala
Aug 2021Led
$21 MSeries A
Divirod Inc.
Feb 2021Led
$1 MOther Equity
8
Items
Browse all public portfolio deals

Insights

Time horizon

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Deal Distribution

Thin Line Capital: 8 funding rounds are recorded in the selected participation categories.All available history.
Thin Line Capital: 8 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Series A13
Other Equity13

Monthly Deal Activity

Thin Line Capital: 8 deals are recorded across 69 months.All available history.
Thin Line Capital: 8 deals are recorded across 69 months. All available history
MonthDeals
Feb '211
Mar '210
Apr '210
May '210
Jun '210
Jul '210
Aug '211
Sep '210
Oct '210
Nov '210
Dec '210
Jan '220
Feb '220
Mar '220
Apr '220
May '220
Jun '220
Jul '220
Aug '220
Sep '220
Oct '220
Nov '220
Dec '220
Jan '230
Feb '230
Mar '230
Apr '230
May '230
Jun '230
Jul '230
Aug '231
Sep '230
Oct '230
Nov '231
Dec '230
Jan '241
Feb '240
Mar '240
Apr '240
May '241
Jun '240
Jul '240
Aug '240
Sep '240
Oct '240
Nov '240
Dec '240
Jan '250
Feb '250
Mar '250
Apr '250
May '250
Jun '250
Jul '250
Aug '250
Sep '250
Oct '251
Nov '250
Dec '250
Jan '260
Feb '260
Mar '260
Apr '260
May '260
Jun '260
Jul '260
Aug '261
Sep '260
Oct '260

Sector Breakdown

Thin Line Capital: 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.

Thin Line Capital: Clean Energy & Sustainability is the largest displayed sector by deal count (5 deals). All available history
SectorDeals
Clean Energy & Sustainability5
Networks, Cloud & Communication2
Enterprise Software2
Professional Services2
Data, Analytics & IT2
Hardware & Robotics1
Manufacturing1
Health & Life Sciences1
Real Estate & Construction1
Transportation & Logistics1

Deal Size Distribution

Thin Line 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.

Thin Line Capital: 8 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M2
$5M-$10M2
$10M-$25M3
$25M-$50M1
$50M-$100M0
$100M-$250M0
$250M-$500M0
$500M-$1B0
$1B+0

Deals By Geography

Thin Line Capital: United States has the largest recorded deal count among the displayed regions (7 deals).All available history.

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

Thin Line Capital: United States has the largest recorded deal count among the displayed regions (7 deals). All available history
RegionDeals
United States7
Canada1
Thin Line Capital: 20 co-investors are shown, with B Current Impact Investment sharing 2 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.

Thin Line Capital: 20 co-investors are shown, with B Current Impact Investment sharing 2 recorded deals. All available history
Co-investorShared deals
B Current Impact Investment2
VoLo Earth Ventures2
Active Impact Investments1
BlueScopeX1
C5 Capital1
Constellation Technology Ventures1
Counterpart Ventures1
Cubit Capital1
E121
Eclipse Ventures1
Energy Impact Partners1
FOLD36 Capital1
Fusion Fund1
GHD1
Global Brain1
GoHub Ventures1
Google Ventures1
LACI1
MassMutual1
MIH Capital1

Investment Strategy

Thin Line Capital: Led accounts for 25% and participating for 75% of round participation.All available history.
Thin Line Capital: Led accounts for 25% and participating for 75% of round participation. All available history
CategoryDeals (count)Share (%)
Led225%
Participating675%
Thin Line Capital: Single-lead accounts for 0% and co-led for 100% of lead dynamics.All available history.
Thin Line Capital: Single-lead accounts for 0% and co-led for 100% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead00%
Co-led2100%

Team

Aaron Fyke

Founder & Managing Partner