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The Venture Codex

Propeller

3 Ocean Street, Boston, Massachusetts, 02124, United States

Overview

Climate-tech fund investing in ocean-climate companies.

Founded

2022

Deals ยท 12mo

1

Links

WebsiteLinkedInX (Twitter)

Stage focus

Seed

Geographic focus

Saudi Arabia
United Arab Emirates
United States

Sector focus

Finance
Financial Services
Marine Transportation
Venture Capital

Investment portfolio

7rounds
NAMEDATESIZE
Ciphero
Dec 2025Participated
$3 MSeed
Clarity
Sep 2025Participated
$12 MOther Equity
Corgea
Nov 2024Participated
$3 MSeed
OTO
Jul 2024Participated
$8 MSeries A
Allium Engineering
Mar 2024Led
$3 MSeed
Olokun Minerals
Feb 2023Led
$1 MSeed
Gameball
Feb 2023Participated
$4 MSeed
Ciphero
Dec 2025Participated
$3 MSeed
Clarity
Sep 2025Participated
$12 MOther Equity
Corgea
Nov 2024Participated
$3 MSeed
OTO
Jul 2024Participated
$8 MSeries A
Allium Engineering
Mar 2024Led
$3 MSeed
Olokun Minerals
Feb 2023Led
$1 MSeed
Gameball
Feb 2023Participated
$4 MSeed
7
Items
Browse all public portfolio deals

Insights

Time horizon

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Deal Distribution

Propeller: 7 funding rounds are recorded in the selected participation categories.All available history.
Propeller: 7 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed23
Series A01
Other Equity01

Monthly Deal Activity

Propeller: 7 deals are recorded across 45 months.All available history.
Propeller: 7 deals are recorded across 45 months. All available history
MonthDeals
Feb '232
Mar '230
Apr '230
May '230
Jun '230
Jul '230
Aug '230
Sep '230
Oct '230
Nov '230
Dec '230
Jan '240
Feb '240
Mar '241
Apr '240
May '240
Jun '240
Jul '241
Aug '240
Sep '240
Oct '240
Nov '241
Dec '240
Jan '250
Feb '250
Mar '250
Apr '250
May '250
Jun '250
Jul '250
Aug '250
Sep '251
Oct '250
Nov '250
Dec '251
Jan '260
Feb '260
Mar '260
Apr '260
May '260
Jun '260
Jul '260
Aug '260
Sep '260
Oct '260

Sector Breakdown

Propeller: Cybersecurity & Privacy is the largest displayed sector by deal count (3 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.

Propeller: Cybersecurity & Privacy is the largest displayed sector by deal count (3 deals). All available history
SectorDeals
Cybersecurity & Privacy3
AI & Machine Learning3
Space & Frontier Tech2
Networks, Cloud & Communication1
Hardware & Robotics1
Government & Defense1
Fintech1
Manufacturing1
E-Commerce & Retail1
Clean Energy & Sustainability1
Professional Services1
Real Estate & Construction1
Transportation & Logistics1

Deal Size Distribution

Propeller: 7 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.

Propeller: 7 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M5
$5M-$10M1
$10M-$25M1
$25M-$50M0
$50M-$100M0
$100M-$250M0
$250M-$500M0
$500M-$1B0
$1B+0

Deals By Geography

Propeller: United States has the largest recorded deal count among the displayed regions (5 deals).All available history.

Top 3 of 3 regions; European countries are grouped as Europe.

Propeller: United States has the largest recorded deal count among the displayed regions (5 deals). All available history
RegionDeals
United States5
Saudi Arabia1
Egypt1
Propeller: 20 co-investors are shown, with 500 Global sharing 1 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.

Propeller: 20 co-investors are shown, with 500 Global sharing 1 recorded deals. All available history
Co-investorShared deals
500 Global1
Aera VC1
Agya Ventures1
Anthropocene Ventures1
Arzan Venture Capital1
BlueWing Ventures1
Bullpen Capital1
Chingona Ventures1
Core Vision Investment1
Decacorn Capital1
Everywhere Ventures1
Fc Centripetal1
Hustle Fund1
Iliad Partners1
Launch Africa1
Lotus Venture Partners1
Neo1
Oraseya Capital1
P1 Ventures1
Phaze Ventures1

Investment Strategy

Propeller: Led accounts for 29% and participating for 71% of round participation.All available history.
Propeller: Led accounts for 29% and participating for 71% of round participation. All available history
CategoryDeals (count)Share (%)
Led229%
Participating571%
Propeller: Single-lead accounts for 100% and co-led for 0% of lead dynamics.All available history.
Propeller: Single-lead accounts for 100% and co-led for 0% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead2100%
Co-led00%

Team

Brian Halligan

Co-founder & Partner

Kevin Walsh

Entrepreneur In Residence