Signalfire
Syndicate · San Francisco, CA
Investment syndicate based in San Francisco, CA. Most recent fund on file: SignalFire Eureka Fund, L.P. ($150M offering), filed May 2026. 12 deal vehicles (SPVs) filed with the SEC since Jan 2023.
“Engineered to ignite your growth, SignalFire is the first venture capital firm built as a technology company. Data, advice, and support from seed to scale.” (from the firm’s website)
- Stages
- Seed
- Typical check (est.)
- $1.5M–$4.5M
- Latest fund
- $150M · May 2026
- Last verified activity
- Jun 2025
Focus
Sector focus not yet verifiedFunds and vehicles on SEC file
- May 2026
SignalFire Eureka Fund, L.P.
Fund · $150M offering
- Jun 2025
SignalFire Opportunities Fund, L.P. - Series 20
Deal vehicle
- May 2025
Signalfire Opportunities FUND, L.P. - Series 19
Deal vehicle
- Apr 2025
SignalFire XIR Opportunities II, L.P. - Series CVR
Deal vehicle
- Mar 2025
Signalfire XIR Opportunities II, L.P. - Series SPR
Deal vehicle
- Sep 2024
SignalFire Affiliates Early Fund IV, L.P.
Fund
- Sep 2024
SignalFire Affiliates XIR Venture Fund II, L.P.
Fund
- Sep 2024
SignalFire Affiliates Seed Fund V, L.P.
Fund
- Aug 2024
Signalfire XIR Opportunties II, L.P. - Series CEN
Deal vehicle
- Mar 2024
SignalFire XIR Venture Fund II, L.P.
Fund
Sources
- SEC Form D: SignalFire Eureka Fund, L.P.May 22, 2026
- SEC Form D: SignalFire Opportunities Fund, L.P. - Series 20Jun 23, 2025
- SEC Form D: Signalfire Opportunities FUND, L.P. - Series 19May 30, 2025
- SEC Form D: SignalFire XIR Opportunities II, L.P. - Series CVRApr 28, 2025
- SEC Form D: Signalfire XIR Opportunities II, L.P. - Series SPRMar 26, 2025
- SEC Form D: SignalFire Affiliates Early Fund IV, L.P.Sep 24, 2024
- SEC adviser record: SignalfireMar 30, 2026
- Firm websiteOct 12, 2026
Profile last verified Oct 12, 2026. Is this you? Correct or remove this profile.