# A10 Networks funding: rounds and investors > A10 Networks has raised $143M across 5 rounds since 2005. Investors include Harbinger Ventures, Triton Ventures and Enspire Capital. Source: https://millionrounds.com/company/a10-networks (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *A10 Networks* 5 rounds we have observed, with the 8 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. Software Cloud Funding summary Updated 26 Oct 2026 **$143M** raised across 5 rounds since 2005, from 5 sources **$6.0M** Series A **$9.0M** Series B **$23M** Series C **$80M** Growth **$25M** Round - **Latest round:** Round, $25M Dec 2016 - **Biggest round:** $80M Growth · Oct 2013 - **Investors:** 8 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. 2005 2007 2009 2011 2013 2015 **$6.0M** Series A **$9.0M** Series B **$23M** Series C **$80M** Growth **$25M** Round - **First round:** Series A, $6.0M - **Biggest round:** $80M - **Usual gap between rounds:** 3.2 years ## The rounds - **Dec 2016** Round **$25M** *1 new* [SVB Capital](https://millionrounds.com/fund/svb-capital) Reported by FinSMEs - **Oct 2013** Growth **$80M** *1 new* [Summit Partners](https://millionrounds.com/fund/summit-partners) Reported by enterprisenetworkingplanet.com SEC filing: $50M sold, first sale Jun 2013 - **Jul 2008** Series C **$23M** *1 new* *3 returning* [Mitsui Ventures](https://millionrounds.com/fund/mitsui-ventures) [Harbinger Ventures](https://millionrounds.com/fund/harbinger-ventures) [Enspire Capital](https://millionrounds.com/fund/enspire-capital) [Triton Ventures](https://millionrounds.com/fund/triton-ventures) Reported by a10networks.com - **Nov 2006** Series B **$9.0M** *1 new* *3 returning* [Harbinger Ventures](https://millionrounds.com/fund/harbinger-ventures) [Enspire Capital](https://millionrounds.com/fund/enspire-capital) [H&Q Asia Pacific](https://millionrounds.com/fund/everbright-financial-holding-h-and-q-asia-pacific) [Triton Ventures](https://millionrounds.com/fund/triton-ventures) Reported by a10networks.com - **Jan 2005** Series A **$6.0M** *4 new* [Mitsui & Co](https://millionrounds.com/fund/mitsui-and-co) [Harbinger Ventures](https://millionrounds.com/fund/harbinger-ventures) [H&Q Asia Pacific](https://millionrounds.com/fund/everbright-financial-holding-h-and-q-asia-pacific) [Triton Ventures](https://millionrounds.com/fund/triton-ventures) From a historical funding record ## Founders and team From the SEC filings it signed: 6 on the team. - **Greg J. Straughn** Executive Officer i - **Lee Y. Chen** Executive Officer, Director i - **Neil Wu Becker** Executive Officer i - **Rajkumar J. Jalan** Executive Officer i - **Ray J. Smets** Executive Officer i - **Robert Y. Cochran** Executive Officer, Director i On the board, as filed i *Alan S. Henricks* *Peter Y. Chung* *Phillip J. Salsbury* ## 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** 2005 **Series B** 2006 **Series C** 2008 **Growth** 2013 **Round** 2016 [Harbinger Ventures](https://millionrounds.com/fund/harbinger-ventures) [Triton Ventures](https://millionrounds.com/fund/triton-ventures) [Enspire Capital](https://millionrounds.com/fund/enspire-capital) [H&Q Asia Pacific](https://millionrounds.com/fund/everbright-financial-holding-h-and-q-asia-pacific) [SVB Capital](https://millionrounds.com/fund/svb-capital) [Summit Partners](https://millionrounds.com/fund/summit-partners) [Mitsui & Co](https://millionrounds.com/fund/mitsui-and-co) [Mitsui Ventures](https://millionrounds.com/fund/mitsui-ventures) ## Everyone who backed them [Harbinger Ventures](https://millionrounds.com/fund/harbinger-ventures) VC firm **3** rounds [Triton Ventures](https://millionrounds.com/fund/triton-ventures) Growth equity **3** rounds [Enspire Capital](https://millionrounds.com/fund/enspire-capital) VC firm **2** rounds [H&Q Asia Pacific](https://millionrounds.com/fund/everbright-financial-holding-h-and-q-asia-pacific) VC firm **2** rounds [SVB Capital](https://millionrounds.com/fund/svb-capital) VC firm **1** round [Summit Partners](https://millionrounds.com/fund/summit-partners) Private equity **1** round [Mitsui & Co](https://millionrounds.com/fund/mitsui-and-co) Corporate VC **1** round [Mitsui Ventures](https://millionrounds.com/fund/mitsui-ventures) Growth equity **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=a10-networks). ## Quick answers about A10 Networks ### Who invested in A10 Networks? A10 Networks's investors include Harbinger Ventures, Triton Ventures, Enspire Capital, H&Q Asia Pacific and SVB Capital, and 3 more on record. ### How much has A10 Networks raised? A10 Networks has raised $143M across 5 rounds since 2005. ### When did A10 Networks last raise? A10 Networks's most recent round was an Undisclosed round of $25M in Dec 2016. ### What was A10 Networks's biggest round? A10 Networks's largest round on record is $80M (Growth), in Oct 2013. ### Who backed A10 Networks first? A10 Networks's first round on record, in Jan 2005, was backed by Mitsui & Co, Harbinger Ventures and H&Q Asia Pacific and 1 others. ### What stage is A10 Networks at? A10 Networks's latest named round is an Undisclosed round, in Dec 2016. ### Where is A10 Networks based? A10 Networks is based in the United States. ## Companies like A10 Networks In the same sector, and raised in the last eighteen months. [**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**TruAgents** $3.4M · Oct 2026](https://millionrounds.com/company/truagents)[**Blacksmith** $131M · Oct 2026](https://millionrounds.com/company/blacksmith)[**Fireworks AI** $1.7B · Oct 2026](https://millionrounds.com/company/fireworks-ai)[**VECKTA** $11M · Oct 2026](https://millionrounds.com/company/veckta)[**Punch** $11M · Oct 2026](https://millionrounds.com/company/punch) ## 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