Venture Guides is an early-stage venture capital firm based in Boston that invests in and actively guides founders of infrastructure software, cloud, data, and security technology startups. The firm was founded by the former infrastructure software team at Bain Capital Ventures and employs a team-based, hands-on investing approach.
42% of their portfolio is in Cybersecurity. Deal activity increased 400% year-over-year (5 deals in the last 12 months). Their most common stage is seed (42% of deals). Average disclosed round size is $13.3M (across 11 rounds with reported amounts).
Portfolio
11
Fund Size
$262.5M
Top Stage
Seed
Last 12 Mo
6
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
12 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 VibeIQ | Growth | $6.3M | Aug 2026 |
 SpartanX | Seed | — | Apr 2026 |
 Zymtrace | Seed | $8.5M | Mar 2026 |
 Memcyco | Series A | $37M | Jan 2026 |
 IO River | Series A | $20M | Jan 2026 |
 Ray Security | Seed | $11M | Sep 2025 |
| OOdigos | Unknown | $13M | Sep 2024 |
 Elastio | Series A | $18M | Jun 2023 |
| Memcyco | Seed | $10M | May 2023 |
 AppMap | Growth | $10M | — |
| CClarity Security | Series A | $9M | — |
 ElastiFlow | Seed | $3M | — |
Top Co-Investors
Capri Ventures3 shared
Uncorrelated Ventures2 shared
Mango Capital2 shared
Bain Capital Ventures1 shared
Alumni Ventures1 shared
New Era Capital Partners1 shared
One Madison Group1 shared
Fly Ventures1 shared
PagsGroup1 shared
NVentures1 shared
Salesforce Ventures1 shared
Y Combinator1 shared
Firestreak Ventures1 shared
Ibex Investors1 shared
Unusual Ventures1 shared
Secure Octane1 shared
Forgepoint Capital1 shared
Argon Ventures1 shared
Dell Technologies Capital1 shared
Work-Bench1 shared
Last updated: 8 September 2026