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Venture Guides

ventureguides.com · Boston, MA

“Great companies are built, not born. We back early-stage cloud infrastructure, security, AI, and data founders with a concentrated portfolio and active team-based guidance across strategy, finance, and go-to-market -- not just capital.”

$2M – $20M
Check Size
Leads & Follows
Lead Tendency
$478M
AUM
01Investment Thesis

Great companies are built, not born. We back early-stage cloud infrastructure, security, AI, and data founders with a concentrated portfolio and active team-based guidance across strategy, finance, and go-to-market -- not just capital.

Exclusion Criteria

Avoids a spray-and-pray approach outside its concentrated 15-20 company portfolio target; focused away from sectors outside security, cloud, data, and AI infrastructure.

02Investment Team
BN
Ben Nye
Managing Partner
SN
Sage Nye
Co-Founder & Venture Partner
AS
Anton Simunovic
Partner
03F4 Research Brief

Venture Guides Research

Investment Thesis

Venture Guides is an early-stage venture capital firm based in Boston, MA, founded in 2023 by Ben Nye, former Co-Managing Partner at Bain Capital Ventures. The firm's tagline, "Great Companies Are Built, Not Born," captures its core belief: outcomes are driven less by picking winners and more by actively guiding founders after the check clears. The firm invests in early-stage cloud infrastructure, security, AI, and data companies, and pairs capital with hands-on operational support across business strategy, finance, budgeting, and go-to-market execution. Rather than a "spray and pray" model, Venture Guides runs a small, concentrated portfolio (targeting 15-20 core positions) so partners can stay genuinely close to each company. The team backs its conviction with unusually high GP co-investment, citing "10+% personal investment in its funds" versus an industry standard of roughly 1%.

Sector Focus

The firm concentrates on security, cloud infrastructure, data, and increasingly AI-native tooling. Portfolio evidence spans cybersecurity (ransomware recovery, digital fraud/impersonation prevention, identity governance, autonomous red teaming, exposure management), developer tools and infrastructure (infrastructure-as-code management, distributed tracing/observability, edge/CDN virtualization, GPU workload infrastructure, compute profiling), and enterprise/AI tooling (context engines for enterprise AI, agent reliability infrastructure, autonomous software development agents, GRC/compliance automation).

Stage Focus

Venture Guides invests primarily at Seed and Series A, per third-party trackers (Tracxn, PitchBook) and its own portfolio composition, which is roughly split between "Series Seed" and "Series A" positions with one later-stage growth position (Blitzy). The firm has made 35 investments since inception, with roughly 7 in the trailing 12 months as of mid-2026.

Check Size

The firm does not publish exact check sizes. Based on round sizes it has led or co-led (e.g., a $35.1M Series A for env0, a $37M Series A for Memcyco, a $20M Series A for IO River, an $11M seed extension for Ray Security), Venture Guides appears comfortable writing both smaller seed checks and larger, often-lead Series A checks, likely in a rough $2M-$20M range with follow-on reserves. This is an inference from deal-size evidence, not a stated policy, and should be treated with moderate confidence.

Lead Tendency

Venture Guides frequently leads: it led env0's $35.1M Series A ("Venture Guides' first major investment from their initial $200M fund"), co-led IO River's $20M Series A alongside New Era, co-led Ray Security's $11M seed alongside Ibex Investors, led SpartanX's seed round, and participated alongside other funds (Capri Ventures, NAventures, E. Leon Jimenes, PagsGroup) in Memcyco's $37M round and alongside Northzone in Blitzy's $200M round. The pattern suggests the firm both leads and follows depending on syndicate composition.

Recent Activity

Venture Guides closed its debut fund at $215-216.5M in 2023 and closed Fund II at $262.5 million in April 2025 (a 21% step-up), oversubscribed within eight weeks and backed by 100% of existing family-office LPs plus new institutions. As of early-to-mid 2026 the firm is actively deploying: it led SpartanX's seed round and invested in Blitzy (May 2026), and its portfolio news feed shows continuous activity through Q1 2026 (Memcyco's $37M Series A in January 2026, IO River's $20M raise in January 2026).

Portfolio Highlights

Current "Guided Companies" span roughly 20 active positions, including ElastiFlow (network performance management), Elastio (cloud-native ransomware recovery), env0 (infrastructure-as-code management), IO River (virtual edge/CDN management), Memcyco (digital fraud/impersonation prevention), Ray Security (unstructured data security), VibeIQ (retail product collaboration), Odigos (distributed application tracing), Precog (enterprise AI context engine), Compyl (GRC/compliance automation), Clarity Security (identity governance), EON (AI agent reliability infrastructure), Hoop.dev (DevSecOps access policy), Assail (autonomous red teaming), Blitzy (agentic software development), SpartanX (autonomous exposure management), Cedana (GPU workload migration infrastructure), and Zymtrace (eBPF-based compute profiling). Tromzo (application security) was in the portfolio and was acquired by Checkmarx in December 2025.

Notable earlier-career/legacy positions tied to the founding team's prior firm relationships include Dynatrace (NYSE: DT), SolarWinds (NYSE: SWI), Rapid7 (NASDAQ: RPD), DocuSign (NASDAQ: DOCU), and LinkedIn (acquired by Microsoft) -- the firm cites these as evidence that "more than 40%" of its team's past investments reached multi-billion dollar valuations and "more than 80%" produced positive outcomes. These predate Venture Guides' 2023 founding and are not included as Venture Guides portfolio companies below.

Team

  • Ben Nye, Managing Partner -- Founder of Venture Guides; former Co-Managing Partner at Bain Capital Ventures.
  • Sage Nye, Co-Founder & Venture Partner -- Joined the founding team in 2022; has sourced 6 of the firm's first 14 investments, sits on three portfolio boards, hosts the firm's "Built Not Born" podcast, and was named to the Forbes 30 Under 30 (Venture Capital) Class of 2026.
  • Anton Simunovic, Partner -- Boston-based partner active in portfolio deal sourcing and go-to-market advising (e.g., SpartanX).

The broader team page lists over 20 additional team members and roughly a dozen strategic advisors (including Corey Thomas, Chairman & CEO of Rapid7, and Christina Luconi, Chief People Officer of Rapid7), reflecting the firm's emphasis on a large, hands-on "guide" bench rather than a lean traditional partnership.

Decision Process

Venture Guides describes itself as "team-based" in both investing and guiding, built on "collaboration, consultation and transparency," with proprietary assessments and quarterly progress committees used to track each portfolio company. This points to a partnership-style decision process rather than a solo-GP model.

Founder Preferences

The firm's public materials emphasize deep sector-focused technical founders in infrastructure, security, and data, and it operates a proprietary "VG Sales" academy that recruits recent graduates into portfolio company sales roles co-located at its Boston headquarters -- a differentiator aimed at derisking early go-to-market execution for its founders.

Geographic Focus

Headquartered at 100 Causeway St., Boston, MA. Portfolio companies are geographically diverse (including an Israeli cybersecurity concentration -- Memcyco, Ray Security, and IO River all have Israeli founding teams), but the firm's operational model (VG Sales academy, Boston co-location) suggests a preference for founders willing to build a GTM presence in Boston.

04Selected Portfolio
Developer Tools & Infrastructure
Plural·Zymtrace
Enterprise Software
Odigos·Precog·Compyl·Hoop.dev·Cedana·env0·IO River·Blitzy
Healthcare & Digital Health
Eon
Marketing & Adtech
VibeIQ
Security & Cybersecurity
ElastiFlow·Elastio·Clarity Security·Tromzo·Assail·Ray Security·Memcyco·SpartanX
Open the full portfolio→
05Recent Updates

Fresh signals from public announcements, essays, and portfolio activity.

See full activity (9) →
Continued as an existing investor in Blitzy's $200M round (led by Northzone) at a $1.4B valuation.
INVESTMENT·businesswire.com
MAY 2026
Led SpartanX's seed round as the autonomous offensive-security company established its global HQ in Boston.
INVESTMENT·globenewswire.com
APR 21, 2026
Participated in Memcyco's $37M Series A for digital impersonation and account-takeover fraud prevention.
INVESTMENT·businesswire.com
JAN 27, 2026
Co-led IO River's $20M Series A (with New Era) to decouple edge infrastructure from services.
INVESTMENT·siliconangle.com
JAN 14, 2026
Portfolio company Tromzo was acquired by Checkmarx to combine agentic application security capabilities.
EXIT·tromzo.com
DEC 9, 2025
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Quick Reference
Check Size
$2M – $20M
Stages
Seed · Series A
AUM
$478M
Decision
Partnership
Involvement
Board Seat
Location
Boston, MA
Sector Focus
Enterprise SoftwareDeveloper Tools & InfrastructureSecurity & Cybersecurity
Models
Infrastructure SoftwareCybersecurityEnterprise AI
Technology
AI/MLCloud Infrastructure
See all Enterprise Software investors →See all Developer Tools & Infrastructure investors →See all Security & Cybersecurity investors →
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Focus Areas
Enterprise SoftwareDeveloper Tools & InfrastructureSecurity & Cybersecurity

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F4 Intelligence Report · Last Researched August 22, 2026F4 Research Engine