# LogRhythm funding: rounds and investors > LogRhythm has raised $126M across 7 rounds since 2008. Investors include Access Venture Partners, Adams Street Partners and Grotech Ventures. Source: https://millionrounds.com/company/logrhythm (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *LogRhythm* 7 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. Cybersecurity Funding summary Updated 26 Oct 2026 **$126M** raised across 7 rounds since 2008, from 8 sources **$3.3M** Series A **$3.1M** Series B **$4.9M** Venture **$10M** Series C **$15M** Series D **$40M** Series E **$50M** Round - **Latest round:** Round, $50M Aug 2016 - **Step-up i:** 1.3× - **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. 2010 2012 2014 2016 **$3.3M** Series A **$3.1M** Series B **$4.9M** Venture **$10M** Series C **$15M** Series D **$40M** Series E **$50M** Round - **First round:** Series A, $3.3M - **Biggest round:** $50M - **Usual gap between rounds:** 23 months ## The rounds - **Aug 2016** Round **$50M** *1 returning* [Riverwood Capital](https://millionrounds.com/fund/riverwood-capital) Reported by FinSMEs SEC filing: $466K sold, first sale Aug 2016 - **Jul 2014** Series E **$40M** *1 new* *2 returning* [Adams Street Partners](https://millionrounds.com/fund/adams-street-partners) [Access Venture Partners](https://millionrounds.com/fund/access-venture-partners) [Riverwood Capital](https://millionrounds.com/fund/riverwood-capital) From a historical funding record SEC filing: $40M sold, first sale Jul 2014 - **Jun 2012** Series D **$15M** *1 new* *2 returning* [Adams Street Partners](https://millionrounds.com/fund/adams-street-partners) [Siemens](https://millionrounds.com/fund/siemens) [Grotech Ventures](https://millionrounds.com/fund/grotech-ventures) Reported by finsmes.com SEC filing: $15M sold, first sale Jun 2012 - **Mar 2011** Series C **$10M** *2 new* *2 returning* [Adams Street Partners](https://millionrounds.com/fund/adams-street-partners) [Grotech Ventures](https://millionrounds.com/fund/grotech-ventures) [Access Venture Partners](https://millionrounds.com/fund/access-venture-partners) [Croghan Investments](https://millionrounds.com/fund/croghan-investments) Reported by logrhythm.com SEC filing: $5.0M sold, first sale Mar 2011 - **Mar 2011** Venture **$4.9M** No investor was named in the report. Reported by sec.gov SEC filing: $4.9M sold, first sale Dec 2010 - **Apr 2009** Series B **$3.1M** *1 new* *2 returning* [Grotech Ventures](https://millionrounds.com/fund/grotech-ventures) [Access Venture Partners](https://millionrounds.com/fund/access-venture-partners) [High Country Venture](https://millionrounds.com/fund/high-country-ventures) Reported by pehub.com SEC filing: $3.1M sold, first sale Mar 2009 - **Nov 2008** Series A **$3.3M** *3 new* [Access Venture Partners](https://millionrounds.com/fund/access-venture-partners) [High Country Venture](https://millionrounds.com/fund/high-country-ventures) [Colorado Impact Fund](https://millionrounds.com/fund/colorado-impact-fund) Reported by logrhythm.com and 1 other ## 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** 2008 **Series B** 2009 **Venture** 2011 **Series C** 2011 **Series D** 2012 **Series E** 2014 **Round** 2016 [Access Venture Partners](https://millionrounds.com/fund/access-venture-partners) [Adams Street Partners](https://millionrounds.com/fund/adams-street-partners) [Grotech Ventures](https://millionrounds.com/fund/grotech-ventures) [Riverwood Capital](https://millionrounds.com/fund/riverwood-capital) [High Country Venture](https://millionrounds.com/fund/high-country-ventures) [Siemens](https://millionrounds.com/fund/siemens) [Colorado Impact Fund](https://millionrounds.com/fund/colorado-impact-fund) [Croghan Investments](https://millionrounds.com/fund/croghan-investments) ## Everyone who backed them [Access Venture Partners](https://millionrounds.com/fund/access-venture-partners) VC firm **4** rounds [Adams Street Partners](https://millionrounds.com/fund/adams-street-partners) VC firm **3** rounds [Grotech Ventures](https://millionrounds.com/fund/grotech-ventures) VC firm **3** rounds [Riverwood Capital](https://millionrounds.com/fund/riverwood-capital) VC firm **2** rounds [High Country Venture](https://millionrounds.com/fund/high-country-ventures) VC firm **2** rounds [Siemens](https://millionrounds.com/fund/siemens) Corporate VC **1** round [Colorado Impact Fund](https://millionrounds.com/fund/colorado-impact-fund) Private equity **1** round [Croghan Investments](https://millionrounds.com/fund/croghan-investments) Investment firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=logrhythm). ## Quick answers about LogRhythm ### Who invested in LogRhythm? LogRhythm's investors include Access Venture Partners, Adams Street Partners, Grotech Ventures, Riverwood Capital and High Country Venture, and 3 more on record. ### How much has LogRhythm raised? LogRhythm has raised $126M across 7 rounds since 2008. ### When did LogRhythm last raise? LogRhythm's most recent round was an Undisclosed round of $50M in Aug 2016. ### What was LogRhythm's biggest round? Its most recent round, $50M in Aug 2016, is also its largest on record. ### Who backed LogRhythm first? LogRhythm's first round on record, in Nov 2008, was backed by Access Venture Partners, High Country Venture and Colorado Impact Fund. ### What stage is LogRhythm at? LogRhythm's latest named round is an Undisclosed round, in Aug 2016. ### Where is LogRhythm based? LogRhythm is based in the United States. ## Companies like LogRhythm 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