Funding record · 2025 / 10

SubImage raises $4.2M Seed for cloud security
Announced 20 October 2025 · Recorded 8 September 2026 · Last verified 8 September 2026
SubImage, a cloud security company based in San Francisco, United States, raised $4.2M in a Seed announced on 20 October 2025, led by FundersClub, Y Combinator and Phosphor Capital with 3 others. Its disclosed equity funding is now $4.7M across 2 rounds.
- Amount
- $4.2M
- Round
- Seed
- Announced
- 20 October 2025
- Lead investors
- FundersClub, Y Combinator, Phosphor Capital, Transpose Platform, Jeff Dean, Kirsten Green
- Sources on record
- 1linkedin.com
From the source
SubImage Raises $4.2M Seed Funding for Cloud Security
SubImage, a YC W25 company co-founded by Alex Chantavy, raised $4.2M in seed funding to develop cloud security solutions focused on mapping and securing cloud assets using graph-based technology.
linkedin.com · 18 November 2025 ↗The Mandos read
What the record says about SubImage
- 5 employeeslocked →
history and breakdowns in the platform
- Exit Readiness: Lowlocked →
Tested against 751 past exits in the Mandos record: 43% sat in Watch or Elevated 2 years before. Companies in Elevated exited at 3.1× the record's rate.
- Buyers most often compare SubImage with Native Securitylocked →
the full set in the platform
Funding history
SubImage funding on record
SubImage has raised $4.7M in priced equity. Its most recent round was a Seed in October 2025.
Latest round on record: Seed, Oct 2025.
SubImage funding on the profile →In the platform
The round is the fact. The read is the product.
Every round, investor and correction for SubImage, the competitors buyers weigh it against, hiring by department, and an alert when the next thing happens.
The same record answers in Claude, ChatGPT and Cursor through the Mandos MCP server.
The Mandos Brief
Cybersecurity funding, deals and moves, every Monday.
FAQ
Questions people ask
- How much did SubImage raise in its Seed?
- SubImage raised $4.2M in a Seed announced on 20 October 2025.
- Who invested in SubImage's Seed?
- The round was led by FundersClub, Y Combinator, Phosphor Capital, Transpose Platform, Jeff Dean, Kirsten Green.
- What does SubImage do?
- SubImage is a cybersecurity company specializing in Cloud Security, founded in 2024 and headquartered in San Francisco, United States.













