# Top 50 Startups in Sunnyvale by Funding (2026)

> The 50 best-funded startups in Sunnyvale, ranked by total funding raised: $8.8B combined. With founding year, headquarters and each company's rounds.

Source: https://millionrounds.com/top-lists/startups-sunnyvale (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Cerebras Systems** Cerebras Systems develops computing chips with the sole purpose of accelerating AI.](https://millionrounds.com/company/cerebras-systems) Cerebras Systems develops computing chips with the sole purpose of accelerating AI. *Founded* 2016 Sunnyvale, United States **$3.0B** last round Apr 2026
- 2 [**Applied Intuition** Applied Intuition is a software company based in Silicon Valley, focused on developing physical AI to enhance the intelligence and safety of moving machines.](https://millionrounds.com/company/applied-intuition) Applied Intuition is a software company based in Silicon Valley, focused on developing physical AI to enhance the intelligence and safety of moving machines. *Founded* 2017 Sunnyvale, United States **$640M** last round Oct 2026
- 3 [**Illumio** Illumio is a cybersecurity company based in Sunnyvale, California, specializing in breach containment and Zero Trust segmentation.](https://millionrounds.com/company/illumio) Illumio is a cybersecurity company based in Sunnyvale, California, specializing in breach containment and Zero Trust segmentation. *Founded* 2013 Sunnyvale, United States **$558M** last round Jun 2021
- 4 [**Matterport** Our 3D cameras and virtual tour software platform help you digitize your building, automatically create 3D tours, 4K print quality photos, schematic f](https://millionrounds.com/company/matterport) Our 3D cameras and virtual tour software platform help you digitize your building, automatically create 3D tours, 4K print quality photos, schematic f *Founded* 2011 Sunnyvale, United States **$404M** last round Jul 2021
- 5 [**Clari** Clari is a revenue operations company that provides end-to-end sales analytics and a forecasting platform.](https://millionrounds.com/company/clari) Clari is a revenue operations company that provides end-to-end sales analytics and a forecasting platform. *Founded* 2013 Sunnyvale, United States **$346M** last round Jan 2022
- 6 [**Cylake** Cylake is a cybersecurity startup founded in March 2026, focusing on AI-native, data-driven cybersecurity platforms.](https://millionrounds.com/company/cylake) Cylake is a cybersecurity startup founded in March 2026, focusing on AI-native, data-driven cybersecurity platforms. *Founded* - Sunnyvale, United States **$290M** last round Sept 2026
- 7 [**BIG Fiber** BIG Fiber, based in Sunnyvale, California, is a metropolitan dark fiber infrastructure company that specializes in providing high-capacity, unlit fiber networks.](https://millionrounds.com/company/big-fiber) BIG Fiber, based in Sunnyvale, California, is a metropolitan dark fiber infrastructure company that specializes in providing high-capacity, unlit fiber networks. *Founded* 2019 Sunnyvale, United States **$250M** last round May 2026
- 8 [**Silk Road Medical** Silk Road Medical specializes in providing medical devices and solutions for the treatment of vascular diseases.](https://millionrounds.com/company/silk-road-medical) Silk Road Medical specializes in providing medical devices and solutions for the treatment of vascular diseases. *Founded* 2007 Sunnyvale, United States **$220M** last round Jul 2017
- 9 [**JFrog** JFrog provides software developers with a binary repository management solution.](https://millionrounds.com/company/jfrog) JFrog provides software developers with a binary repository management solution. *Founded* 2008 Sunnyvale, United States **$217M** last round Oct 2018
- 10 [**YugaByte** Yugabyte is a software company based in Sunnyvale, California, founded in 2016 by former engineers from Facebook and Oracle.](https://millionrounds.com/company/yugabyte) Yugabyte is a software company based in Sunnyvale, California, founded in 2016 by former engineers from Facebook and Oracle. *Founded* 2016 Sunnyvale, United States **$212M** last round Oct 2021
- 11 [**Lyric** Lyric is an AI-powered supply chain platform based in Sunnyvale, California, founded in 2021 or 2022.](https://millionrounds.com/company/lyric) Lyric is an AI-powered supply chain platform based in Sunnyvale, California, founded in 2021 or 2022. *Founded* - Sunnyvale, United States **$204M** last round Aug 2025
- 12 [**Innovusion** Innovusion is an autonomous vehicle LiDAR technology developer.](https://millionrounds.com/company/innovusion) Innovusion is an autonomous vehicle LiDAR technology developer. *Founded* 2016 Sunnyvale, United States **$148M** last round Jan 2022
- 13 [**Serious Energy** Serious Energy, based in Sunnyvale, California, was founded in 2002 and specializes in manufacturing acoustical and thermal solutions for the built environment.](https://millionrounds.com/company/serious-energy) Serious Energy, based in Sunnyvale, California, was founded in 2002 and specializes in manufacturing acoustical and thermal solutions for the built environment. *Founded* 2002 Sunnyvale, United States **$135M** last round Nov 2011
- 14 [**Cresta** Cresta Intelligence, Inc., known as Cresta, is an enterprise AI platform based in Palo Alto, California.](https://millionrounds.com/company/cresta) Cresta Intelligence, Inc., known as Cresta, is an enterprise AI platform based in Palo Alto, California. *Founded* 2017 Sunnyvale, United States **$125M** last round Dec 2024
- 15 [**Conga** Conga is building solutions to foster more intelligent and socially relevant Web experiences.](https://millionrounds.com/company/conga) Conga is building solutions to foster more intelligent and socially relevant Web experiences. *Founded* 2010 Sunnyvale, United States **$117M** last round May 2018
- 16 [**VytronUS** VytronUS manufactures and markets cardiac medical devices.](https://millionrounds.com/company/vytronus) VytronUS manufactures and markets cardiac medical devices. *Founded* 2006 Sunnyvale, United States **$115M** last round Jul 2016
- 17 [**Reka AI** Reka AI is a global AI research and product company based in Sunnyvale, California, with origins in Singapore.](https://millionrounds.com/company/reka-ai) Reka AI is a global AI research and product company based in Sunnyvale, California, with origins in Singapore. *Founded* 2022 Sunnyvale, United States **$110M** last round Jul 2025
- 18 [**SafeBreach** SafeBreach is a cybersecurity company founded in 2014, known for pioneering the Breach and Attack Simulation (BAS) category.](https://millionrounds.com/company/safebreach) SafeBreach is a cybersecurity company founded in 2014, known for pioneering the Breach and Attack Simulation (BAS) category. *Founded* 2014 Sunnyvale, United States **$88M** last round Nov 2021
- 19 [**Straiker** Straiker is an AI security company based in Sunnyvale, California, founded in 2024.](https://millionrounds.com/company/straiker) Straiker is an AI security company based in Sunnyvale, California, founded in 2024. *Founded* 2024 Sunnyvale, United States **$85M** last round Jun 2026
- 20 [**Groove** Groove develops a sales engagement tool to assist in building relationships with customers.](https://millionrounds.com/company/groove) Groove develops a sales engagement tool to assist in building relationships with customers. *Founded* 2014 Sunnyvale, United States **$80M** last round Nov 2022
- 21 [**Turntide Technologies** Turntide Technologies develops an electric motor system designed to drive down energy consumption.](https://millionrounds.com/company/turntide-technologies) Turntide Technologies develops an electric motor system designed to drive down energy consumption. *Founded* 2013 Sunnyvale, United States **$80M** last round Jun 2022
- 22 [**Chelsio Communications** Chelsio Communications is a technology company based in Sunnyvale, California, founded in 1997.](https://millionrounds.com/company/chelsio-communications) Chelsio Communications is a technology company based in Sunnyvale, California, founded in 1997. *Founded* 1997 Sunnyvale, United States **$79M** last round Nov 2009
- 23 [**Proofpoint** We provide the most effective cybersecurity and compliance solutions to protect people on every channel including email, the web, the cloud, and social media.](https://millionrounds.com/company/proofpoint) We provide the most effective cybersecurity and compliance solutions to protect people on every channel including email, the web, the cloud, and social media. *Founded* 2002 Sunnyvale, United States **$79M** last round Feb 2008
- 24 [**Sonatus** Sonatus is an automotive software company based in Sunnyvale, California, founded in 2018.](https://millionrounds.com/company/sonatus) Sonatus is an automotive software company based in Sunnyvale, California, founded in 2018. *Founded* 2018 Sunnyvale, United States **$75M** last round Dec 2022
- 25 [**Xambala** Xambala is an electronic liquidity provider to capital markets, enabling rapid price discovery.](https://millionrounds.com/company/xambala) Xambala is an electronic liquidity provider to capital markets, enabling rapid price discovery. *Founded* 2001 Sunnyvale, United States **$66M** last round Jun 2014
- 26 [**Mellanox Technologies** Mellanox Technologies Ltd.](https://millionrounds.com/company/mellanox-technologies) Mellanox Technologies Ltd. *Founded* 1999 Sunnyvale, United States **$56M** last round Feb 2002
- 27 [**Digilens** DigiLens is an innovator in holographic waveguide display technology for extended reality (XR).](https://millionrounds.com/company/digilens) DigiLens is an innovator in holographic waveguide display technology for extended reality (XR). *Founded* 2003 Sunnyvale, United States **$56M** last round May 2018
- 28 [**Datrium** Datrium is a unified hybrid cloud computing and data management company.](https://millionrounds.com/company/datrium) Datrium is a unified hybrid cloud computing and data management company. *Founded* 2012 Sunnyvale, United States **$55M** last round Dec 2016
- 29 [**Jumio** Jumio is an AI platform that enables users to establish their identity remotely to protect against fraud and other financial crime.](https://millionrounds.com/company/jumio) Jumio is an AI platform that enables users to establish their identity remotely to protect against fraud and other financial crime. *Founded* 2010 Sunnyvale, United States **$52M** last round Aug 2016
- 30 [**Scanadu** Scanadu is a stage mobile medical device company.](https://millionrounds.com/company/scanadu) Scanadu is a stage mobile medical device company. *Founded* 2011 Sunnyvale, United States **$51M** last round Apr 2015
- 31 [**ThunderCore** ThunderCore is a high-performance public blockchain founded in 2017 in Silicon Valley by Chris Wang and researchers from Cornell University.](https://millionrounds.com/company/thundercore) ThunderCore is a high-performance public blockchain founded in 2017 in Silicon Valley by Chris Wang and researchers from Cornell University. *Founded* 2017 Sunnyvale, United States **$50M** last round Feb 2019
- 32 [**Spinal Kinetics** Spinal Kinetics partners with spine surgeons to develop motion preservation systems for the treatment of degenerative spine diseases.](https://millionrounds.com/company/spinal-kinetics) Spinal Kinetics partners with spine surgeons to develop motion preservation systems for the treatment of degenerative spine diseases. *Founded* 2003 Sunnyvale, United States **$49M** last round Jun 2014
- 33 [**Coram AI** Coram AI is an AI-native physical security platform that integrates video surveillance, access control, and emergency response into a single system.](https://millionrounds.com/company/coram-ai) Coram AI is an AI-native physical security platform that integrates video surveillance, access control, and emergency response into a single system. *Founded* 2022 Sunnyvale, United States **$49M** last round Jun 2026
- 34 [**Gainspeed** Gainspeed is redefining how cable networks are built.](https://millionrounds.com/company/gainspeed) Gainspeed is redefining how cable networks are built. *Founded* 2012 Sunnyvale, United States **$48M** last round Jan 2015
- 35 [**DataPelago** DataPelago is a software development company that offer big data analytics solutions.](https://millionrounds.com/company/datapelago) DataPelago is a software development company that offer big data analytics solutions. *Founded* 2021 Sunnyvale, United States **$47M** last round Oct 2024
- 36 [**Drobo** Drobo is a computer data storage company that produces external storage devices for computers for businesses and individuals.](https://millionrounds.com/company/drobo) Drobo is a computer data storage company that produces external storage devices for computers for businesses and individuals. *Founded* 2004 Sunnyvale, United States **$47M** last round Sept 2015
- 37 [**Kumu Networks** Kumu Networks is a technology company that specializes in advanced radio frequency (RF) solutions.](https://millionrounds.com/company/kumu-networks) Kumu Networks is a technology company that specializes in advanced radio frequency (RF) solutions. *Founded* 2011 Sunnyvale, United States **$45M** last round Jan 2016
- 38 [**Stairwell** Stairwell is a cybersecurity company founded in 2019 and based in Sunnyvale, California.](https://millionrounds.com/company/stairwell) Stairwell is a cybersecurity company founded in 2019 and based in Sunnyvale, California. *Founded* 2019 Sunnyvale, United States **$45M** last round Oct 2022
- 39 [**Simplify Medical** We are excited to announce that Simplify Medical has joined NuVasive, the largest spine focused company in the world.](https://millionrounds.com/company/simplify-medical) We are excited to announce that Simplify Medical has joined NuVasive, the largest spine focused company in the world. *Founded* 2013 Sunnyvale, United States **$44M** last round Feb 2018
- 40 [**RapidFort** RAPIDFORT is a cybersecurity company based in Sunnyvale, California, specializing in Software Supply Chain Security and Software Attack Surface Management (SASM).](https://millionrounds.com/company/rapidfort) RAPIDFORT is a cybersecurity company based in Sunnyvale, California, specializing in Software Supply Chain Security and Software Attack Surface Management (SASM). *Founded* 2020 Sunnyvale, United States **$42M** last round Feb 2026
- 41 [**AgilOne** AgilOne was a customer data platform (CDP) and predictive marketing analytics company that focused on helping enterprise B2C brands, particularly in retail and](https://millionrounds.com/company/agilone) AgilOne was a customer data platform (CDP) and predictive marketing analytics company that focused on helping enterprise B2C brands, particularly in retail and *Founded* 2006 Sunnyvale, United States **$41M** last round Apr 2014
- 42 [**Rubedo Life Sciences** Rubedo Life Sciences is a clinical-stage biopharmaceutical company based in Sunnyvale, California, with a European presence in Milan, Italy.](https://millionrounds.com/company/rubedo-life-sciences) Rubedo Life Sciences is a clinical-stage biopharmaceutical company based in Sunnyvale, California, with a European presence in Milan, Italy. *Founded* 2018 Sunnyvale, United States **$40M** last round Apr 2024
- 43 [**Decru** Decru was a storage security company based in Redwood City, California, founded in 2001.](https://millionrounds.com/company/decru) Decru was a storage security company based in Redwood City, California, founded in 2001. *Founded* - Sunnyvale, United States **$40M** last round Aug 2002
- 44 [**HealthTap** HealthTap is a medical group and technology company that provides telehealth virtual healthcare through web and mobile applications.](https://millionrounds.com/company/healthtap) HealthTap is a medical group and technology company that provides telehealth virtual healthcare through web and mobile applications. *Founded* 2010 Sunnyvale, United States **$38M** last round Sept 2020
- 45 [**Nanostim** Nanostim is an early-stage medical device company working to prevent complications related to pacemakers.](https://millionrounds.com/company/nanostim) Nanostim is an early-stage medical device company working to prevent complications related to pacemakers. *Founded* 2007 Sunnyvale, United States **$38M** last round May 2013
- 46 [**Eridan** Eridan is building the world's most efficient radios for 4G, 5G, and beyond.](https://millionrounds.com/company/eridan) Eridan is building the world's most efficient radios for 4G, 5G, and beyond. *Founded* 2013 Sunnyvale, United States **$37M** last round Dec 2024
- 47 [**Vudu** Vudu is a content delivery and interactive media technology company distributing movies over the internet to television.](https://millionrounds.com/company/vudu) Vudu is a content delivery and interactive media technology company distributing movies over the internet to television. *Founded* 2004 Sunnyvale, United States **$36M** last round Feb 2008
- 48 [**Cotendo** Cotendo is a content delivery network and site acceleration services provider developing software focused on CDN technologies.](https://millionrounds.com/company/cotendo) Cotendo is a content delivery network and site acceleration services provider developing software focused on CDN technologies. *Founded* 2008 Sunnyvale, United States **$36M** last round Jun 2011
- 49 [**Tensordyne** Tensordyne is a company focused on high-performance, low-power artificial intelligence (AI) inference systems.](https://millionrounds.com/company/tensordyne) Tensordyne is a company focused on high-performance, low-power artificial intelligence (AI) inference systems. *Founded* 2017 Sunnyvale, United States **$35M** last round Jul 2025
- 50 [**Onehouse** Onehouse is a cloud-native technology company founded in 2021 by Vinoth Chandar, the creator of Apache Hudi.](https://millionrounds.com/company/onehouse) Onehouse is a cloud-native technology company founded in 2021 by Vinoth Chandar, the creator of Apache Hudi. *Founded* 2021 Sunnyvale, United States **$35M** last round Jun 2024

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Every startup we hold in Sunnyvale, ranked by the total it has raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

Open any company for its rounds and investors, or search the investors who back startups in Sunnyvale in the app, with filters, lists and exports.

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## More startup lists

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[*O* *A* *X* **Startups in the United States** 42,176 companies · $870B](https://millionrounds.com/top-lists/startups-united-states)[*SC* *N* *F* **Startups in the United Kingdom** 8,355 companies · $79B](https://millionrounds.com/top-lists/startups-united-kingdom)[*O* *D* *TM* **Startups in San Francisco** 4,251 companies · $350B](https://millionrounds.com/top-lists/startups-san-francisco)[*W* *K* *P* **Startups in New York** 3,729 companies · $67B](https://millionrounds.com/top-lists/startups-new-york)[*F* *IL* *PD* **Startups in London** 3,521 companies · $51B](https://millionrounds.com/top-lists/startups-london)[*MA* *M* *TE* **Startups in France** 3,025 companies · $32B](https://millionrounds.com/top-lists/startups-france)[*C* *H8* *AP* **Startups in Canada** 2,950 companies · $38B](https://millionrounds.com/top-lists/startups-canada)[*B* *D* *AF* **Startups in China** 2,168 companies · $163B](https://millionrounds.com/top-lists/startups-china)

## More lists for Sunnyvale

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[*CS* *AI* *C* **AI startups in Sunnyvale** 35 companies · $4.9B](https://millionrounds.com/top-lists/ai-startups-sunnyvale)[*X* *A* *C* **IT Services startups in Sunnyvale** 25 companies · $280M](https://millionrounds.com/top-lists/it-services-startups-sunnyvale)[*J* *R* *P* **Software startups in Sunnyvale** 15 companies · $395M](https://millionrounds.com/top-lists/software-startups-sunnyvale)[*I* *C* *S* **Cybersecurity startups in Sunnyvale** 14 companies · $1.4B](https://millionrounds.com/top-lists/cybersecurity-startups-sunnyvale)[*C* *C* *BF* **Big Data & Analytics startups in Sunnyvale** 14 companies · $1.4B](https://millionrounds.com/top-lists/big-data-startups-sunnyvale)[*SR* *V* *S* **Healthcare startups in Sunnyvale** 12 companies · $562M](https://millionrounds.com/top-lists/healthcare-startups-sunnyvale)[*SR* *V* *SM* **Biotech startups in Sunnyvale** 11 companies · $512M](https://millionrounds.com/top-lists/biotech-startups-sunnyvale)