RU

Runtime Ventures

VC
Toronto, CanadaWebsite

Runtime Ventures is a Seed, Series A venture capital firm based in Toronto, Canada investing in Other, Enterprise, Developer Tools. The firm typically writes $1.0M–$4.0M checks and has 36 portfolio companies in our records.

Check size
$1.0M–$4.0M
Portfolio
36 companies on record
Partners
4 listed
AUM
$32M
Stage
Seed, Series A
Sectors
Other, Enterprise, Developer Tools, AI / ML, SaaS, Security
HQ
Toronto, Canada

Last verified: 2026-05-28

How to approach: cold outreach ok
Stage

Seed, Series A

Check Size

$1.0M – $4.0M

AUM

$32M

Portfolio

36+ companies

Team

4 partners

Investor activity
Investments in last 12 months: 0

Investment Thesis

Invests in foundational software systems ensuring infrastructure integrity, AI safety, and deterministically reliable enterprise solutions.

How Runtime Ventures invests

Runtime Ventures is a vc firm based in Toronto, Canada. The firm invests at the Seed, Series A stages, with a focus on Other, Enterprise, Developer Tools, AI / ML, SaaS. It does not invest in Media, B2C.

Runtime Ventures typically writes checks of $1.0M–$4.0M per investment, backed by approximately $32M in assets under management.

Runtime Ventures has backed 36 companies in our records, including AiStrike, Dodgeball, Detections.AII.

Partners & Team

MB

Marcus Blake

Managing Partner

AI Infrastructure
Enterprise Software
MS

Michael Sutton

General Partner & Co-Founder

seed-stage cybersecurity
security operations
building cybersecurity startups
RS

Ruoting Sun

Operating Partner

cybersecurity operations
portfolio support
founder mentorship
DE

David Endler

General Partner & Co-Founder

seed-stage cybersecurity
pre-seed cybersecurity
foundational security technologies

Industry Focus

Invests In

Other
Enterprise
Developer Tools
AI / ML
SaaS
Security

Does Not Invest In

Media
B2C

Portfolio Companies (36)

Other

AI

AiStrike

Fund I

AI-powered Security Operations Center (SOC)

DO

Dodgeball

Fund I

Anti-fraud orchestration platform

DE

Detections.AII

EN

Enveedo

Fund I

All-in-one security strategy platform; raised $3.15M seed for market expansion

FL

Flux

KE

Keep Aware

MI

Miggo Security

IN

Integricore Systems

Infrastructure Software
VE

VerifyAI

AI Safety
AI

AI Powered SOC

How to pitch Runtime Ventures
  • Raising at Seed, Series A? You're squarely in their sweet spot.
  • Lead with your fit in Other, Enterprise, Developer Tools — the sectors they actively back.
  • Size your ask to their typical $1.0M – $4.0M check.
  • cold outreach ok
  • Address your outreach to a specific partner, such as Marcus Blake, Managing Partner.
  • A warm introduction beats a cold email. Get matched and request an intro.

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