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Marlinspike

4201 Wilson Boulevard, 3rd Floor, Arlington, VA, 22203, United States

Overview

Investment and advisory firm specializing in national defense technology.

Founded

2020

Deals ยท 12mo

5

Links

WebsiteLinkedIn

Stage focus

Seed
Series A

Geographic focus

United States

Sector focus

Advice
Finance
Financial Services

Investment portfolio

15rounds
NAMEDATESIZE
Fabri
Jun 2026Participated
$14 MOther Equity
Volund Manufacturing
Jun 2026Participated
$12 MSeed
Layup Parts
Jun 2026Led
$42 MSeries A
Armada
May 2026Participated
$230 MSeries B
Chariot Defense
Feb 2026Participated
$34 MSeries A
Armada
Jul 2025Participated
$131 MOther Equity
Kindo
Jul 2024Participated
$21 MOther Equity
Armada
Dec 2023Participated
$55 MOther Equity
OurSky
Dec 2023Participated
$10 MSeed
Cambium
Dec 2023Participated
$19 MSeries A
Kindo
Sep 2023Participated
$7 MSeed
Anduril Industries
Dec 2022Participated
$1.5 BSeries E
Fabri
Jun 2026Participated
$14 MOther Equity
Volund Manufacturing
Jun 2026Participated
$12 MSeed
Layup Parts
Jun 2026Led
$42 MSeries A
Armada
May 2026Participated
$230 MSeries B
Chariot Defense
Feb 2026Participated
$34 MSeries A
Armada
Jul 2025Participated
$131 MOther Equity
Kindo
Jul 2024Participated
$21 MOther Equity
Armada
Dec 2023Participated
$55 MOther Equity
OurSky
Dec 2023Participated
$10 MSeed
Cambium
Dec 2023Participated
$19 MSeries A
Kindo
Sep 2023Participated
$7 MSeed
Anduril Industries
Dec 2022Participated
$1.5 BSeries E
15
Items
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Insights

Time horizon

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Deal Distribution

Marlinspike: 15 funding rounds are recorded in the selected participation categories.All available history.
Marlinspike: 15 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed03
Series A23
Series B01
Series C+01
Other Equity05

Monthly Deal Activity

Marlinspike: 15 deals are recorded across 68 months.All available history.
Marlinspike: 15 deals are recorded across 68 months. All available history
MonthDeals
Mar '211
Apr '210
May '210
Jun '210
Jul '210
Aug '211
Sep '211
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 '221
Jan '230
Feb '230
Mar '230
Apr '230
May '230
Jun '230
Jul '230
Aug '230
Sep '231
Oct '230
Nov '230
Dec '233
Jan '240
Feb '240
Mar '240
Apr '240
May '240
Jun '240
Jul '241
Aug '240
Sep '240
Oct '240
Nov '240
Dec '240
Jan '250
Feb '250
Mar '250
Apr '250
May '250
Jun '250
Jul '251
Aug '250
Sep '250
Oct '250
Nov '250
Dec '250
Jan '260
Feb '261
Mar '260
Apr '260
May '261
Jun '263
Jul '260
Aug '260
Sep '260
Oct '260

Sector Breakdown

Marlinspike: AI & Machine Learning is the largest displayed sector by deal count (7 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.

Marlinspike: AI & Machine Learning is the largest displayed sector by deal count (7 deals). All available history
SectorDeals
AI & Machine Learning7
Enterprise Software5
Space & Frontier Tech5
Government & Defense4
Data, Analytics & IT4
Hardware & Robotics3
Manufacturing3
Clean Energy & Sustainability2
Transportation & Logistics2
Networks, Cloud & Communication1
Cybersecurity & Privacy1
AR/VR1
Developer Tools1

Deal Size Distribution

Marlinspike: 15 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.

Marlinspike: 15 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M0
$5M-$10M3
$10M-$25M4
$25M-$50M4
$50M-$100M1
$100M-$250M2
$250M-$500M0
$500M-$1B0
$1B+1

Deals By Geography

Marlinspike: United States has the largest recorded deal count among the displayed regions (15 deals).All available history.

Top 1 of 1 regions; European countries are grouped as Europe.

Marlinspike: United States has the largest recorded deal count among the displayed regions (15 deals). All available history
RegionDeals
United States15
Marlinspike: 20 co-investors are shown, with Founders Fund sharing 5 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.

Marlinspike: 20 co-investors are shown, with Founders Fund sharing 5 recorded deals. All available history
Co-investorShared deals
Founders Fund5
Lux Capital5
Shield Capital5
8090 Industries3
8VC3
Felicis Ventures3
Overmatch Ventures3
Andreessen Horowitz2
Eniac Ventures2
General Catalyst2
Glade Brook Capital2
MVP Ventures2
New Era Ventures2
Pinegrove Venture Partners2
Riot Ventures2
RRE Ventures2
Silent Ventures2
Valor Equity Partners2
Veriten2
137 Ventures1

Investment Strategy

Marlinspike: Led accounts for 13% and participating for 87% of round participation.All available history.
Marlinspike: Led accounts for 13% and participating for 87% of round participation. All available history
CategoryDeals (count)Share (%)
Led213%
Participating1387%
Marlinspike: Single-lead accounts for 50% and co-led for 50% of lead dynamics.All available history.
Marlinspike: Single-lead accounts for 50% and co-led for 50% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead150%
Co-led150%

Team

John Mastal

Founder and partner