# Siva Power funding: rounds and investors > Siva Power has raised $140M across 9 rounds since 2007. Investors include Trident Capital, DBL Investors and Medley Partners. Every round with its source. Source: https://millionrounds.com/company/siva-power (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Siva Power* 9 rounds we have observed, with the 10 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. Cleantech Funding summary Updated 26 Oct 2026 **$140M** raised across 9 rounds since 2007, from 9 sources **$4.3M** Series A **$18M** Series B **$42M** Series C **$23M** Series D **$30K** Venture **$3.0M** Venture **$15M** Venture **$10M** Series D **$25M** Round - **Latest round:** Round, $25M May 2017 - **Biggest round:** $42M Series C · Jun 2010 - **Step-up i:** 2.5× - **Investors:** 10 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. 2007 2009 2011 2013 2015 2017 **$4.3M** Series A **$18M** Series B **$42M** Series C **$23M** Series D **$30K** Venture **$3.0M** Venture **$15M** Venture **$25M** Round - **First round:** Series A, $4.3M - **Biggest round:** $42M - **Usual gap between rounds:** 14 months ## The rounds - **May 2017** Round **$25M** *2 new* Jim Simons Mark Heising/ Jonathan Sheets Reported by FinSMEs - **Jan 2015** Series D **$10M** *4 returning* [Trident Capital](https://millionrounds.com/fund/trident-capital) [DBL Investors](https://millionrounds.com/fund/dbl-investors) [Acero Capital](https://millionrounds.com/fund/acero-capital) [Medley Partners](https://millionrounds.com/fund/medley-partners) From a historical funding record SEC filing: $4.2M sold, first sale Jan 2015 - **Jun 2014** Venture **$15M** *3 returning* [Trident Capital](https://millionrounds.com/fund/trident-capital) [DBL Investors](https://millionrounds.com/fund/dbl-investors) [Acero Capital](https://millionrounds.com/fund/acero-capital) From a historical funding record SEC filing: $3.0M sold, first sale Feb 2014 - **Mar 2014** Venture **$3.0M** No investor was named in the report. From a historical funding record SEC filing: $3.0M sold, first sale Feb 2014 - **Mar 2012** Venture **$30K** *1 new* *2 returning* [Trident Capital](https://millionrounds.com/fund/trident-capital) [DBL Investors](https://millionrounds.com/fund/dbl-investors) [Acero Capital](https://millionrounds.com/fund/acero-capital) Reported by gigaom.com - **Jul 2011** Series D **$23M** *6 returning* [Trident Capital](https://millionrounds.com/fund/trident-capital) [Birchmere Ventures](https://millionrounds.com/fund/birchmere-ventures) [Firelake Capital Management](https://millionrounds.com/fund/firelake-capital-management) [DBL Investors](https://millionrounds.com/fund/dbl-investors) [Medley Partners](https://millionrounds.com/fund/medley-partners) [Olympus Capital Asia](https://millionrounds.com/fund/olympus-capital-asia) From a historical funding record - **Jun 2010** Series C **$42M** *3 new* *3 returning* [Trident Capital](https://millionrounds.com/fund/trident-capital) [Birchmere Ventures](https://millionrounds.com/fund/birchmere-ventures) [Firelake Capital Management](https://millionrounds.com/fund/firelake-capital-management) [DBL Investors](https://millionrounds.com/fund/dbl-investors) [Medley Partners](https://millionrounds.com/fund/medley-partners) [Olympus Capital Asia](https://millionrounds.com/fund/olympus-capital-asia) Reported by greentechmedia.com - **Oct 2008** Series B **$18M** *4 returning* [Trident Capital](https://millionrounds.com/fund/trident-capital) [XSeed Capital](https://millionrounds.com/fund/xseed-capital) [Firelake Capital Management](https://millionrounds.com/fund/firelake-capital-management) [Medley Partners](https://millionrounds.com/fund/medley-partners) Reported by dealipedia.com - **Aug 2007** Series A **$4.3M** *4 new* [Trident Capital](https://millionrounds.com/fund/trident-capital) [XSeed Capital](https://millionrounds.com/fund/xseed-capital) [Firelake Capital Management](https://millionrounds.com/fund/firelake-capital-management) [Medley Partners](https://millionrounds.com/fund/medley-partners) Reported by deals.venturebeat.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. **Series B** 2008 **Series C** 2010 **Series D** 2011 **Venture** 2012 **Venture** 2014 **Venture** 2014 **Series D** 2015 **Round** 2017 [Trident Capital](https://millionrounds.com/fund/trident-capital) [DBL Investors](https://millionrounds.com/fund/dbl-investors) [Medley Partners](https://millionrounds.com/fund/medley-partners) [Firelake Capital Management](https://millionrounds.com/fund/firelake-capital-management) [Acero Capital](https://millionrounds.com/fund/acero-capital) [Birchmere Ventures](https://millionrounds.com/fund/birchmere-ventures) [XSeed Capital](https://millionrounds.com/fund/xseed-capital) [Olympus Capital Asia](https://millionrounds.com/fund/olympus-capital-asia) Jim Simons Mark Heising/ Jonathan Sheets ## Everyone who backed them [Trident Capital](https://millionrounds.com/fund/trident-capital) VC firm **7** rounds [DBL Investors](https://millionrounds.com/fund/dbl-investors) VC firm **5** rounds [Medley Partners](https://millionrounds.com/fund/medley-partners) Family office **5** rounds [Firelake Capital Management](https://millionrounds.com/fund/firelake-capital-management) Growth equity **4** rounds [Acero Capital](https://millionrounds.com/fund/acero-capital) VC firm **3** rounds [Birchmere Ventures](https://millionrounds.com/fund/birchmere-ventures) VC firm **2** rounds [XSeed Capital](https://millionrounds.com/fund/xseed-capital) VC firm **2** rounds [Olympus Capital Asia](https://millionrounds.com/fund/olympus-capital-asia) Private equity **2** rounds Jim Simons no record of our own yet **1** round Mark Heising/ Jonathan Sheets 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=siva-power). ## Quick answers about Siva Power ### Who invested in Siva Power? Siva Power's investors include Trident Capital, DBL Investors, Medley Partners, Firelake Capital Management and Acero Capital, and 5 more on record. ### How much has Siva Power raised? Siva Power has raised $140M across 9 rounds since 2007. ### When did Siva Power last raise? Siva Power's most recent round was an Undisclosed round of $25M in May 2017. ### What was Siva Power's biggest round? Siva Power's largest round on record is $42M (Series C), in Jun 2010. ### Who backed Siva Power first? Siva Power's first round on record, in Aug 2007, was backed by Trident Capital, XSeed Capital and Firelake Capital Management and 1 others. ### What stage is Siva Power at? Siva Power's latest named round is an Undisclosed round, in May 2017. ### Where is Siva Power based? Siva Power is based in the United States. ## Companies like Siva Power In the same sector, and raised in the last eighteen months. [**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Renew** $207M · Oct 2026](https://millionrounds.com/company/renew)[**Optivolt** $37M · Oct 2026](https://millionrounds.com/company/optivolt) ## 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