Strategy
Stages
SeedSeries ASeries B
Sectors
AI/MLSaaSHealthcareDeveloper ToolsCybersecurityFintechConsumer
Geographies
USASan Francisco, California, USA
Check size
$1M-$25MRecent changes
- Sep 5, 2026Sep 5, 2026Sectors updated: AI/ML, SaaS, Healthcare, Developer Tools, Cybersecurity, Fintech, Consumer signalfire.com
- Aug 31, 2026Aug 31, 2026Invested in Blue Voice ($6M) TechCrunch
- Aug 11, 2026Aug 11, 2026Invested in Flagler Health (Series B, $50M) HIT Consultant
- Mar 28, 2024Mar 28, 2024New fund: SignalFire Seed Fund V SEC EDGAR Form D
- Oct 20, 2022Oct 20, 2022New fund: SignalFire Fund IV SEC EDGAR Form D
Earlier changes (3)
- Dec 17, 2019Dec 17, 2019New fund: SignalFire Fund III ($199.4M) SEC EDGAR Form D
- Dec 22, 2016Dec 22, 2016New fund: SignalFire Fund II SEC EDGAR Form D
- Sep 11, 2015Sep 11, 2015New fund: SIGNALFIRE FUND SEC EDGAR Form D
Funds
5| Fund | Vintage | Size | Strategy | Source |
|---|---|---|---|---|
| SignalFire Seed Fund V | 2024 | — | Seed | As of Mar 28, 2024SEC EDGAR Form D |
| SignalFire Fund IV | 2022 | — | Flagship | As of Oct 20, 2022SEC EDGAR Form D |
| SignalFire Fund III | 2019 | $199.4M | Flagship | As of Dec 17, 2019SEC EDGAR Form D |
| SignalFire Fund II | 2016 | $101M | Flagship | As of 2016SEC EDGAR Form D |
| SIGNALFIRE FUND | 2015 | — | Flagship | As of Sep 11, 2015SEC EDGAR Form D |
Portfolio
4 totalRecent Investment Activity
2| Date | Company | Event | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|---|
| Aug 31, 2026 | Blue Voice | funding round | $6M | — | outlined = lead | Pulse story |
| Aug 11, 2026 | Flagler Health | Series B | $50M | — | Bessemer Venture PartnersSignalFireAlumni VenturesStreamlined Ventures186 VenturesTribeca Venture PartnersPROOFOffscript outlined = lead | Pulse story |
Sector / Stage Activity
By sector (portfolio)
AI infra
1 · 25%
Healthtech
1 · 25%
Cybersecurity
1 · 25%
Micromobility
1 · 25%
Co-Investors
12186 Ventures · 1 sharedAlumni Ventures · 1 sharedBessemer Venture Partners · 1 sharedStreamlined Ventures · 1 sharedTribeca Venture Partners · 1 sharedCraft Ventures · 1 sharedNew Enterprise Associates (NEA) · 1 sharedAndreessen Horowitz · 1 sharedBaidu Ventures · 1 sharedMoxxie Ventures · 1 sharedUber · 1 sharedUP Partners · 1 shared
Sources & methodologyshow
Where these figures come from
- SEC EDGAR Form Dprimary source1 fact
- SEC EDGAR Form Dprimary source1 fact
- SEC EDGAR Form Dprimary source1 fact
- SEC EDGAR Form Dprimary source1 fact
- SEC EDGAR Form Dprimary source1 fact
- TechCrunchmajor outlet1 fact
- HIT ConsultantValue Add VC data1 fact
Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.