# SignalFx funding: rounds and investors > SignalFx has raised $149M across 4 rounds since 2013. Investors include Andreessen Horowitz, Tiger Global Management and CRV. Every round with its source. Source: https://millionrounds.com/company/signalfx (Millionrounds; every figure on the page links to its filing or article) United States · [Series E startup](https://millionrounds.com/companies) # Who invested in *SignalFx* 4 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. Cybersecurity Funding summary Updated 26 Oct 2026 **$149M** raised across 4 rounds since 2013, from 4 sources **$8.5M** Series A **$20M** Series B **$45M** Series D **$75M** Series E - **Latest round:** Series E, $75M Jun 2019 - **Step-up i:** 1.7× - **Investors:** 5 See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2013 2014 2015 2016 2017 2018 2019 **$8.5M** Series A **$20M** Series B **$45M** Series D **$75M** Series E - **First round:** Series A, $8.5M - **Biggest round:** $75M - **Usual gap between rounds:** 22 months ## The rounds - **Jun 2019** Series E **$75M** *1 new* [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) Reported by FinSMEs SEC filing: $75M sold, first sale May 2019 - **May 2018** Series D **$45M** *2 new* [Charles River](https://millionrounds.com/fund/charles-river) [General Catalyst/ Andreessen Horowitz](https://millionrounds.com/fund/general-catalyst-andreessen-horowitz) Reported by FinSMEs SEC filing: $45M sold, first sale May 2018 - **Jan 2015** Series B **$20M** *1 new* *1 returning* [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [CRV](https://millionrounds.com/fund/crv) From a historical funding record - **Mar 2013** Series A **$8.5M** *1 new* [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) From a historical funding record ## Founders and team From the SEC filings it signed: 3 on the team. - **Karthik Rau** Executive Officer, Director i - **Mark H. Cranney** Executive Officer i - **Mark H. Resnick** Executive Officer i On the board, as filed i *Ben H. Horowitz* *Devdutt H. Yellurkar* *Phillip H. Liu* *Steve H. Herrod* ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Series A** 2013 **Series B** 2015 **Series D** 2018 **Series E** 2019 [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) [CRV](https://millionrounds.com/fund/crv) [Charles River](https://millionrounds.com/fund/charles-river) [General Catalyst/ Andreessen Horowitz](https://millionrounds.com/fund/general-catalyst-andreessen-horowitz) ## Everyone who backed them [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) VC firm **2** rounds [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) VC firm **1** round [CRV](https://millionrounds.com/fund/crv) VC firm **1** round [Charles River](https://millionrounds.com/fund/charles-river) Private equity **1** round [General Catalyst/ Andreessen Horowitz](https://millionrounds.com/fund/general-catalyst-andreessen-horowitz) Growth equity **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=signalfx). ## Quick answers about SignalFx ### Who invested in SignalFx? SignalFx's investors include Andreessen Horowitz, Tiger Global Management, CRV, Charles River and General Catalyst/ Andreessen Horowitz. ### How much has SignalFx raised? SignalFx has raised $149M across 4 rounds since 2013. ### When did SignalFx last raise? SignalFx's most recent round was a Series E of $75M in Jun 2019. ### What was SignalFx's biggest round? Its most recent round, $75M in Jun 2019, is also its largest on record. ### Who backed SignalFx first? SignalFx's first round on record, in Mar 2013, was backed by Andreessen Horowitz. ### What stage is SignalFx at? SignalFx's latest named round is a Series E, in Jun 2019. ### Where is SignalFx based? SignalFx is based in the United States. ## Companies like SignalFx In the same sector, and raised in the last eighteen months. [**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Opsin** $21M · Oct 2026](https://millionrounds.com/company/opsin)[**Harmonic Security** $68M · Oct 2026](https://millionrounds.com/company/harmonic-security)[**Reach Security** $60M · Oct 2026](https://millionrounds.com/company/reach-security)[**Persona** $210M · Oct 2026](https://millionrounds.com/company/persona)[**Hilt** $4.7M · Oct 2026](https://millionrounds.com/company/hilt) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app