Decibel Partners

Portfolio Co Investors 2026 for Decibel Partners: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.

Decibel Partners accounts for 9 tracked companies with verified cap-table data, 9 of which disclose round sizes totalling $755M. The median disclosed raise is $70M, and the largest is Spotnana at $200M, ahead of Spotnana Technology ($150M) and Ent.AI ($100M).

The names that recur most often on these co-invested cap tables are Decibel Partners (9 companies), Madrona Venture Group (2 companies), Mubadala Capital (2 companies), 8VC (2 companies), Global Founders Capital (2 companies), Shah Capital (2 companies). By latest disclosed round, the market skews Series B (5), Series A (2), Seed (1), Series D (1).

Best funded Decibel Partners companies

  1. Spotnana — $200M (latest: Series B)
  2. Spotnana Technology — $150M (latest: Series B)
  3. Ent.AI — $100M (latest: Seed)
  4. SpecterOps — $75M (latest: Series B)
  5. Censys — $70M (latest: Series D)
  6. Dropzone AI — $57M (latest: Series B)
  7. Cube Dev — $47M (latest: Series B)
  8. Slim.AI — $38M (latest: Series A)
  9. Credo AI — $18M (latest: Series A)

Decibel Partners I GP, LLC — related firms and companies (56)

Decibel Partners I GP, LLC profile · All research reports

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•By Alejandro Cremades