# Graviton funding: rounds and investors > Graviton has raised $75M across 3 rounds since 2000. Investors include Earlybird Venture Capital, Siemens and Sanofi. Every round with its source. Source: https://millionrounds.com/company/graviton (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # Who invested in *Graviton* 3 rounds we have observed, with the 11 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. Biotech Funding summary Updated 26 Oct 2026 **$75M** raised across 3 rounds since 2000, from 3 sources **$35M** Series D **$40M** Venture - **Latest round:** Venture, $40M Feb 2024 - **Investors:** 11 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. 2000 2004 2008 2012 2016 2020 2024 **?** Round **$35M** Series D **$40M** Venture - **First round:** Round - **Biggest round:** $40M - **Usual gap between rounds:** 22.5 years ## The rounds - **Feb 2024** Venture **$40M** *1 new* [Sanofi](https://millionrounds.com/fund/sanofi) Source recorded - **Aug 2001** Series D **$35M** *9 new* [Siemens](https://millionrounds.com/fund/siemens) [Motorola](https://millionrounds.com/fund/motorola) [Mitsui Global Investment](https://millionrounds.com/fund/mitsui-and-co-global-investment-ltd) [Merrill Lynch](https://millionrounds.com/fund/merrill-lynch) [Qualcomm Incorporated](https://millionrounds.com/fund/qualcomm-incorporated) [Sun Microsystems](https://millionrounds.com/fund/sun-microsystems) [Omron Ventures](https://millionrounds.com/fund/omron-ventures) [Royal Dutch Shell](https://millionrounds.com/fund/royal-dutch-shell) [Global Crossing](https://millionrounds.com/fund/global-crossing) From a historical funding record - **Mar 2000** Round **Amount undisclosed** *1 new* [Earlybird Venture Capital](https://millionrounds.com/fund/earlybird) From a historical funding record ## 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. **Round** 2000 **Series D** 2001 **Venture** 2024 [Earlybird Venture Capital](https://millionrounds.com/fund/earlybird) [Siemens](https://millionrounds.com/fund/siemens) [Sanofi](https://millionrounds.com/fund/sanofi) [Motorola](https://millionrounds.com/fund/motorola) [Mitsui Global Investment](https://millionrounds.com/fund/mitsui-and-co-global-investment-ltd) [Merrill Lynch](https://millionrounds.com/fund/merrill-lynch) [Qualcomm Incorporated](https://millionrounds.com/fund/qualcomm-incorporated) [Sun Microsystems](https://millionrounds.com/fund/sun-microsystems) [Omron Ventures](https://millionrounds.com/fund/omron-ventures) [Royal Dutch Shell](https://millionrounds.com/fund/royal-dutch-shell) ## Everyone who backed them [Earlybird Venture Capital](https://millionrounds.com/fund/earlybird) VC firm **1** round [Siemens](https://millionrounds.com/fund/siemens) Corporate VC **1** round [Sanofi](https://millionrounds.com/fund/sanofi) Investment firm **1** round [Motorola](https://millionrounds.com/fund/motorola) Corporate VC **1** round [Mitsui Global Investment](https://millionrounds.com/fund/mitsui-and-co-global-investment-ltd) Corporate VC **1** round [Merrill Lynch](https://millionrounds.com/fund/merrill-lynch) Investment firm **1** round [Qualcomm Incorporated](https://millionrounds.com/fund/qualcomm-incorporated) Investment firm **1** round [Sun Microsystems](https://millionrounds.com/fund/sun-microsystems) Growth equity **1** round [Omron Ventures](https://millionrounds.com/fund/omron-ventures) Corporate VC **1** round [Royal Dutch Shell](https://millionrounds.com/fund/royal-dutch-shell) Growth equity **1** round [Global Crossing](https://millionrounds.com/fund/global-crossing) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=graviton). ## Also claim to have backed them This firm lists Graviton as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above. [BlueYard Capital](https://millionrounds.com/fund/blueyard-capital) VC firm Per its own site ## Quick answers about Graviton ### Who invested in Graviton? Graviton's investors include Earlybird Venture Capital, Siemens, Sanofi, Motorola and Mitsui Global Investment, and 6 more on record. ### How much has Graviton raised? Graviton has raised $75M across 3 rounds since 2000. One round did not disclose an amount, so the total is a floor. ### When did Graviton last raise? Graviton's most recent round was a Venture of $40M in Feb 2024. ### What was Graviton's biggest round? Its most recent round, $40M in Feb 2024, is also its largest on record. ### Who backed Graviton first? Graviton's first round on record, in Mar 2000, was backed by Earlybird Venture Capital. ### What stage is Graviton at? Graviton's latest named round is a Venture, in Feb 2024. ### Where is Graviton based? Graviton is based in the United States. ## Companies like Graviton In the same sector, and raised in the last eighteen months. [**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. 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