How many investments has Runtime Ventures made?

Runtime Ventures has 22 tracked investments, including 4 dated in the last 24 months.

What stage does Runtime Ventures invest at?

Runtime Ventures invests at the Pre-Seed, Seed stages.

What is Runtime Ventures's typical check size?

Runtime Ventures typically writes checks of $250K – $2M.

What sectors does Runtime Ventures focus on?

Runtime Ventures focuses on Cybersecurity, Enterprise Software.

Where is Runtime Ventures located?

Runtime Ventures is headquartered in Arlington, US.

Does Runtime Ventures lead rounds?

Yes, Runtime Ventures leads investment rounds.

Who does Runtime Ventures co-invest with?

Runtime Ventures most often shares deals with Inner Loop Capital, MMC Ventures, Octopus Ventures, among 9 tracked co-investors.

Runtime Ventures

Venture capital

Arlington · Pre-Seed–Seed · 6 people tracked

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Find your way into Runtime Ventures

959 people in our graph share verified history with the Runtime Ventures team — schools, employers, funds. One of them is your warm intro.

Ana Andreescuunlockedknows David Endler · together at TippingPoint (Acquired by HP) (overlapped)

knows the team · via The George Washington University

knows the team · via Barracuda

knows the team · via University of Alberta

×3knows the team · via Orca Security

knows the team · via University of California, Irvine - The Paul Merage School of Business

✨ Fox Verdict

Investment thesis

Runtime Ventures is a security-focused venture fund that backs cybersecurity founders at the earliest stages. It positions itself as a hands-on strategic partner rather than a passive investor, supporting companies from seed funding through key milestones such as recruiting critical hires. The firm emphasizes deep domain expertise in the security space and works closely with both first-time and seasoned entrepreneurs during the early-stage building process.

Invests inCybersecurity Enterprise Software Arlington Israel United States

Source: firm website, verified Aug 3, 2026.

Stage

Pre-Seed–Seed

Check

$250K – $2M

Arlington, Virginia, US

Leads rounds

Leads

Instruments

Equity

Founded

2023

Last 12 months

1 investment

Tracked investments

Team · 6 people

from the firm's website & public directories

David Endler· General Partner & Co-Founder· Austin, Texas, United Statesin

David Endler is a General Partner and Co-Founder of Runtime Ventures, following a 25-year career in cybersecurity in which he founded two companies. He co-founded SpyCloud in 2016 (account takeover and anti-ransomware) and earlier started Jumpshot, an anti-malware firm acquired by Avast in 2013, and led security teams at TippingPoint, iDEFENSE, MIT, Deloitte, and the NSA. He holds BS and MS degrees in Computer Science from Tulane University and has authored multiple patents and books.

d•••@runtime.vcreveal

Michael· General Partner & Co-Founder· Washington, DC metro areain 𝕏

Michael Sutton is an angel investor focused on early-stage cyber security companies, primarily at the seed stage. He was a member of the founding team at Zscaler, where he served as CISO and spent about a decade building the company's research team and shaping its security model. Earlier in his career, he helped build SPI Dynamics (acquired by HP) and iDEFENSE (acquired by VeriSign). After Zscaler's March 2018 IPO, he launched StoneMill Ventures to invest full time, concentrating on the Washington, DC metro area while remaining open to global opportunities.

m•••@runtime.vcreveal

Michael Sutton· General Partner

Elisa Yan· Analyst· Greater Sacramentoin

Elisa Yan is an Analyst at Runtime Ventures, where she analyzes cybersecurity deal flow, builds investor communications, and supports portfolio engagement. Before Runtime, she gained venture and finance experience at firms including Growth Factory Ventures and Silver Lead Partners, working on deal sourcing, market research, and investment committee preparation. She is pursuing a BS in Finance and International Business at Georgetown University's McDonough School of Business, where she is a private equity analyst with Georgetown Student Capital Partners and a Global Business Fellow.

Ruoting Sun· Operating Partner· San Francisco Bay Areain

Ruoting Sun is a cybersecurity executive, investor, and advisor with experience across product and go-to-market roles. He is currently Chief Marketing Officer at GreyNoise, previously led Product at Secureframe, and held a leadership role at Duo Security, where he worked on an early Zero Trust offering and partnerships ahead of its acquisition by Cisco. He mentors early-stage startups on product-market fit and growth, holds a degree in Quantitative Finance, and previously worked as a quant trader.

Raed Malhas· Executive Officer

What they invest in

from 13 of 22 portfolio companies

Cybersecurity ×8SaaS ×6AI & Machine Learning ×4Enterprise Software ×4Data & Infrastructure ×3Developer Tools ×2Digital Health ×2Healthtech ×2

HQs:United States×8Israel×1

Investments · showing 21 of 22

founders shown can be your intro path

By year:2026 · 1 2025 · 2 2024 · 1 2023 · 37 dated

Awareawarelabs.xyz in 𝕏Jun 2023 · $2.4M

Data & InfrastructureTel Aviv, IL

Co-investorsTechstars Allos Ventures Blue Heron Capital Goldman Sachs LiveOak Venture Partners Ohio Innovation Fund +2 more

Bloomusebloom.com in

Bloom is a coaching platform that delivers personalized, short-form advice drawn from experienced business leaders, available on demand without scheduled meetings or video calls.

EdTechFuture of WorkHR TechSaaS

Co-investorsInnovation Global Capital MMC Ventures Octopus Ventures Glilot Capital Partners Okta Ventures

Bloombloomthrives.com in

Bloom is a customer engagement company that helps private Medicare and other government-related insurance plans, along with their agents and brokers, guide older adults through shopping for, enrolling in, and activating health coverage.

Digital HealthEnterprise SoftwareHealthtechInsurTechSaaSBloomington, US

Sherman Rogers(Founder)in

Co-investorsOak HC/FT Glilot Capital Partners Okta Ventures Ten Eleven

Enveedoenveedo.comNov 2023 · $3.1M

Enveedo offers a cybersecurity strategy execution platform for planning, building, and running a cybersecurity program, aimed at helping organizations manage ongoing cyber threats and build cyber resiliency.

CybersecurityEnterprise SoftwareSaaSMiami, US

Daniel Monetto(Executive Officer)Mateo Ward(Director, Promoter)Luciano Salata(Executive Officer, Director, Promoter)

Board Kip McClanahan(Director)in

Co-investorsService Provider Capital Silverton Partners

Keep Awarekeepaware.com in

Keep Aware provides agentless browser security deployed as a lightweight extension to existing browsers (Chrome, Edge, Firefox, Safari, and other Chromium-based browsers) for enterprise IT security teams.

CybersecurityEnterprise SoftwareSaaSAustin, US

Ryan Boerner(Founder)in

Miggomiggo.io in 𝕏

Miggo provides a runtime application security platform that maps how first- and third-party applications connect, validates which vulnerabilities are actually exploitable at runtime, and deploys vulnerability-specific WAF rules to mitigate exploitable risk without patching.

AI & Machine LearningCybersecuritySaaS

Daniel Shechter(Co-Founder & CEO)in Itai Goldman‏(Founder)in

Co-investorsSyn Ventures Seed Management Llc YL Ventures SYN Ventures

Preemptivepreemptive.health inJan 2026 · $7M

Preemptive builds a continuous, clinician-guided health monitoring layer positioned beneath primary care, using sensing and AI to detect early physiological changes before symptoms appear.

AI & Machine LearningDigital HealthHealthtech

Jamien McCullum(Founder / CEO)in Matt Whitehill(Founder / Chief Technology Officer)inJorge Sanchez(Medical Director)

Co-investorsEvolution VC Partners Blumberg Capital Hike Ventures Oregon Venture Fund

Prequelprequel.dev in 𝕏Dec 2024 · $3.3M

Prequel provides distributed detection software for finding and fixing reliability and security risks across application stacks.

CybersecurityData & InfrastructureDeveloper ToolsNew York City, US

Tony Meehan(Founder)inConor McCarter(Founder)in Timur Khabirov(Founder)in

Co-investorsWork-Bench NextView Ventures Operator Partners Script Capital Stage 2 Capital Y Combinator

RunRevealrunreveal.com in 𝕏Apr 2025 · $7M

RunReveal is a security operations platform that ingests, normalizes, enriches, and analyzes security logs, with AI-powered detection and response built in via native AI chat and a Model Context Protocol server.

AI & Machine LearningCybersecurityData & InfrastructureAustin, US

Alan Braithwaite(CTO & Co-Founder)inEvan J Johnson(Founder)in

Board John Cowgill(Director)in

Co-investorsModern Technical Costanoa Ventures Okta Ventures

SplxAIsplx.ai in 𝕏Mar 2025 · $7M

SPLX offers a security platform for enterprise AI systems, covering automated red teaming, runtime protection against prompt injections and data leakage, governance and compliance mapping, and remediation.

AI & Machine LearningCybersecurityEnterprise SoftwareDover, US

Kristian Kamber(Executive Officer, Director)in Ante Gojsalic(Executive Officer, Director)in

Board Stanislav Sirakov(Director)in

Co-investorsDNV Ventures Inovo VC Rain Capital South Central Ventures LAUNCHub Ventures

Step Securitystepsecurity.io in 𝕏May 2023

StepSecurity provides a platform to prevent, detect, and respond to software supply chain attacks across developer machines, code repositories, and CI/CD pipelines.

CybersecurityDeveloper ToolsSammamish, US

Varun Sharma(Executive Officer, Director)in

Co-investorsInner Loop Capital

ThreatMatethreatmate.com in

ThreatMate is a risk validation platform for managed service providers (MSPs) that combines attack surface discovery, vulnerability scanning, automated penetration testing, and configuration audits to prove which security exposures are actually exploitable.

CybersecuritySaaSDover, US

Anup Ghosh(Executive Officer)inStanimir Ivanov(Executive Officer)Mike Phelan(Executive Officer)in

BoardFrancesca Lancer(Chairman of the Advisory Board)

Co-investorsTop Down Ventures

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

AistrikeApplication Observability For Cloud DevelopersDetectionsDodgeballFluxSolidcoreStealth Agentic AiStealth Ai PentestStealth Ai Pentesting Platform

Portfolio news

latest coverage across their companies

EXCLUSIVE: Switzerland’s Aeon acquires Aware Health as total Seed funding surpasses €12 million

Aware · eu-startups.com · Sep 14, 2026

audium capital partners (@audiumcp) on X

Bloom · x.com · Aug 3, 2026

audium capital partners (@audiumcp) on X

Bloom · x.com · Aug 3, 2026

AiStrike Raises $7M to Accelerate AI-Native, Preemptive Cyber Defense

Preemptive · finance.yahoo.com · Jan 21, 2026

Zscaler Acquires AI Security Company SPLX - SecurityWeek

SplxAI · securityweek.com · Nov 4, 2025

From Getting Rickrolled by Canaries to AI-Native Security

RunReveal · blog.runreveal.com · Sep 12, 2025

Miggo Raises $17M in Series A Funding

Miggo · finsmes.com · Apr 23, 2025

Why We Invested in ThreatMate

ThreatMate · bluventureinvestors.com · Apr 18, 2025

Frequently asked questions

How many investments has Runtime Ventures made?: Runtime Ventures has 22 tracked investments, including 4 dated in the last 24 months.
What stage does Runtime Ventures invest at?: Runtime Ventures invests at the Pre-Seed, Seed stages.
What is Runtime Ventures's typical check size?: Runtime Ventures typically writes checks of $250K – $2M.
What sectors does Runtime Ventures focus on?: Runtime Ventures focuses on Cybersecurity, Enterprise Software.
Where is Runtime Ventures located?: Runtime Ventures is headquartered in Arlington, US.
Does Runtime Ventures lead rounds?: Yes, Runtime Ventures leads investment rounds.
Who does Runtime Ventures co-invest with?: Runtime Ventures most often shares deals with Inner Loop Capital, MMC Ventures, Octopus Ventures, among 9 tracked co-investors.

Media · Podcasts & interviews

featuring the team

EP3 Keep Austin Secure: Inside the Mind of a Cyber Pioneer: David Endler from Runtime Ventures

Hubscale · David Endler

Images

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