# Synack funding: rounds and investors > Synack has raised $55M across 6 rounds since 2013. Investors include Kleiner Perkins Caufield & Byers, Greylock and Google Ventures. Source: https://millionrounds.com/company/synack (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # Who invested in *Synack* 6 rounds we have observed, with the 17 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. AI Cybersecurity Funding summary Updated 26 Oct 2026 **$55M** raised across 6 rounds since 2013, from 6 sources **$1.5M** Seed **$7.5M** Series A **$25M** Series B **$21M** Series C - **Latest round:** Venture Oct 2020 - **Biggest round:** $25M Series B · Feb 2015 - **Investors:** 17 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 2020 **?** Seed **$1.5M** Seed **$7.5M** Series A **$25M** Series B **$21M** Series C **?** Venture - **First round:** Seed - **Biggest round:** $25M - **Usual gap between rounds:** 10 months ## The rounds - **Oct 2020** Venture **Amount undisclosed** *2 new* *3 returning* [Techstars](https://millionrounds.com/fund/techstars) [Greylock](https://millionrounds.com/fund/greylock-partners) [B Capital](https://millionrounds.com/fund/b-capital) [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) [Wing Venture Capital](https://millionrounds.com/fund/wing-venture-capital) Source recorded - **Apr 2017** Series C **$21M** *3 new* *3 returning* [Google Ventures](https://millionrounds.com/fund/gv) [Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) [GGV Capital](https://millionrounds.com/fund/ggv-capital) [M12](https://millionrounds.com/fund/m12) [Singtel Innov8](https://millionrounds.com/fund/singtel-innov8) Hewlett Packard Reported by FinSMEs SEC filing: $21M sold, first sale Mar 2017 - **Feb 2015** Series B **$25M** *2 new* *3 returning* [Google Ventures](https://millionrounds.com/fund/gv) [Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) [Greylock](https://millionrounds.com/fund/greylock-partners) [GGV Capital](https://millionrounds.com/fund/ggv-capital) [Icon Ventures](https://millionrounds.com/fund/icon-ventures) From a historical funding record SEC filing: $25M sold, first sale Dec 2014 - **Apr 2014** Series A **$7.5M** *1 new* *4 returning* [Google Ventures](https://millionrounds.com/fund/gv) [Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) [Greylock](https://millionrounds.com/fund/greylock-partners) [Allegis Capital](https://millionrounds.com/fund/allegis-capital) [Derek Smith](https://millionrounds.com/fund/derek-smith) From a historical funding record SEC filing: $7.3M sold, first sale Apr 2014 - **Aug 2013** Seed **$1.5M** *5 new* [Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) [Greylock](https://millionrounds.com/fund/greylock-partners) [Wing Venture Capital](https://millionrounds.com/fund/wing-venture-capital) [Allegis Capital](https://millionrounds.com/fund/allegis-capital) [Derek Smith](https://millionrounds.com/fund/derek-smith) Reported by techcrunch.com SEC filing: $1.7M sold, first sale Jul 2013 - **Feb 2013** Seed **Amount undisclosed** *4 new* [Techstars](https://millionrounds.com/fund/techstars) [David Cohen](https://millionrounds.com/fund/david-cohen) [Jay Batson](https://millionrounds.com/fund/jay-batson) [Project 11](https://millionrounds.com/fund/project-11) Reported by techstars.com ## 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. **Seed** 2013 **Seed** 2013 **Series A** 2014 **Series B** 2015 **Series C** 2017 **Venture** 2020 [Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) [Greylock](https://millionrounds.com/fund/greylock-partners) [Google Ventures](https://millionrounds.com/fund/gv) [Techstars](https://millionrounds.com/fund/techstars) [GGV Capital](https://millionrounds.com/fund/ggv-capital) [Wing Venture Capital](https://millionrounds.com/fund/wing-venture-capital) [Allegis Capital](https://millionrounds.com/fund/allegis-capital) [Derek Smith](https://millionrounds.com/fund/derek-smith) [B Capital](https://millionrounds.com/fund/b-capital) [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) ## Everyone who backed them [Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) VC firm **4** rounds [Greylock](https://millionrounds.com/fund/greylock-partners) VC firm **4** rounds [Google Ventures](https://millionrounds.com/fund/gv) Corporate VC **3** rounds [Techstars](https://millionrounds.com/fund/techstars) VC firm **2** rounds [GGV Capital](https://millionrounds.com/fund/ggv-capital) VC firm **2** rounds [Wing Venture Capital](https://millionrounds.com/fund/wing-venture-capital) VC firm **2** rounds [Allegis Capital](https://millionrounds.com/fund/allegis-capital) VC firm **2** rounds [Derek Smith](https://millionrounds.com/fund/derek-smith) Angel **2** rounds [B Capital](https://millionrounds.com/fund/b-capital) VC firm **1** round [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) VC firm **1** round [M12](https://millionrounds.com/fund/m12) Corporate VC **1** round [Icon Ventures](https://millionrounds.com/fund/icon-ventures) VC firm **1** round [David Cohen](https://millionrounds.com/fund/david-cohen) Angel **1** round [Singtel Innov8](https://millionrounds.com/fund/singtel-innov8) Corporate VC **1** round [Jay Batson](https://millionrounds.com/fund/jay-batson) Angel **1** round [Project 11](https://millionrounds.com/fund/project-11) VC firm **1** round Hewlett Packard no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=synack). ## Also claim to have backed them These 3 firms list Synack as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [Notable Capital](https://millionrounds.com/fund/notable-capital) VC firm Per its own site [Runway Growth Capital](https://millionrounds.com/fund/runway-growth-capital) Private credit Per its own site [TSG](https://millionrounds.com/fund/tsg-2) Angel network Per its own site ## Quick answers about Synack ### Who invested in Synack? Synack's investors include Kleiner Perkins Caufield & Byers, Greylock, Google Ventures, Techstars and GGV Capital, and 12 more on record. ### How much has Synack raised? Synack has raised $55M across 6 rounds since 2013. 2 rounds did not disclose an amount, so the total is a floor. ### When did Synack last raise? Synack's most recent round was a Venture in Oct 2020. ### What was Synack's biggest round? Synack's largest round on record is $25M (Series B), in Feb 2015. ### Who backed Synack first? Synack's first round on record, in Feb 2013, was backed by Techstars, David Cohen and Jay Batson and 1 others. ### What stage is Synack at? Synack's latest named round is a Venture, in Oct 2020. ### Where is Synack based? Synack is based in the United States. ## Companies like Synack In the same sector, and raised in the last eighteen months. [**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor) ## 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