# Top 50 Deep Tech Startups in the United States by Funding (2026)

> The 50 best-funded deep tech startups in the United States, ranked by total funding raised: $156B combined.

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

- 1 [**SpaceX** SpaceX is an aviation and aerospace company that focuses on reducing the costs associated with space travel by using reusable rockets.](https://millionrounds.com/company/spacex) SpaceX is an aviation and aerospace company that focuses on reducing the costs associated with space travel by using reusable rockets. *Founded* 2002 Hawthorne, United States **$42B** last round Oct 2026
- 2 [**Waymo** Waymo is an American autonomous driving technology company based in Mountain View, California, and a subsidiary of Alphabet Inc.](https://millionrounds.com/company/waymo) Waymo is an American autonomous driving technology company based in Mountain View, California, and a subsidiary of Alphabet Inc. *Founded* 2009 Mountain View, United States **$27B** last round Oct 2026
- 3 [**Blue Origin** Blue Origin is a privately funded aerospace manufacturer and spaceflight services company based in Kent, Washington.](https://millionrounds.com/company/blue-origin) Blue Origin is a privately funded aerospace manufacturer and spaceflight services company based in Kent, Washington. *Founded* 2000 Kent, United States **$10B** last round Jul 2026
- 4 [**Shield AI** Shield AI is an artificial intelligence company that aims to protect service members and civilians with intelligent systems.](https://millionrounds.com/company/shield-ai) Shield AI is an artificial intelligence company that aims to protect service members and civilians with intelligent systems. *Founded* 2015 San Diego, United States **$7.0B** last round Nov 2026
- 5 [**Cursor** Cursor is an American software company based in San Francisco, California, founded in 2022 by four MIT graduates.](https://millionrounds.com/company/cursor) Cursor is an American software company based in San Francisco, California, founded in 2022 by four MIT graduates. *Founded* 2017 San Francisco, United States **$4.3B** last round Apr 2026
- 6 [**Groq** Groq, Inc.](https://millionrounds.com/company/groq) Groq, Inc. *Founded* 2016 Palo Alto, United States **$3.2B** last round Sept 2026
- 7 [**Cognition** Cognition, based in San Francisco, is an artificial intelligence company focused on enhancing software development.](https://millionrounds.com/company/cognition) Cognition, based in San Francisco, is an artificial intelligence company focused on enhancing software development. *Founded* - San Francisco, United States **$3.0B** last round Sept 2026
- 8 [**Tenstorrent** Tenstorrent is a computing company that develops processors designed to help in faster training and adaptability to future algorithms.](https://millionrounds.com/company/tenstorrent) Tenstorrent is a computing company that develops processors designed to help in faster training and adaptability to future algorithms. *Founded* 2016 North York, United States **$3.0B** last round Oct 2026
- 9 [**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
- 10 [**Saronic** Saronic designs and manufactures unmanned surface vehicles for maritime security and domain awareness.](https://millionrounds.com/company/saronic) Saronic designs and manufactures unmanned surface vehicles for maritime security and domain awareness. *Founded* 2022 Austin, United States **$2.4B** last round Apr 2026
- 11 [**Re:Build** Re:Build is to create the world where we can help each other.](https://millionrounds.com/company/re-build) Re:Build is to create the world where we can help each other. *Founded* 2017 United States **$2.2B** last round Oct 2026
- 12 [**Zipline** DataMax Group was acquired by PDI in April 2017.](https://millionrounds.com/company/zipline) DataMax Group was acquired by PDI in April 2017. *Founded* 1994 Round Rock, United States **$2.2B** last round Nov 2026
- 13 [**Figure AI**](https://millionrounds.com/company/figure-ai) *Founded* 2023 United States **$2.2B** last round Feb 2025
- 14 [**PsiQuantum** PsiQuantum develops quantum computer using photonic qubits and silicon photonics to build fault-tolerant quantum computing systems.](https://millionrounds.com/company/psiquantum) PsiQuantum develops quantum computer using photonic qubits and silicon photonics to build fault-tolerant quantum computing systems. *Founded* - Palo Alto, United States **$2.1B** last round Jul 2026
- 15 [**Physical Intelligence**](https://millionrounds.com/company/physical-intelligence) *Founded* - United States **$2.0B** last round Mar 2026
- 16 [**Apptronik** Apptronik is a human-centered robotics company based in Austin, Texas, founded in 2016 as a spinout from the Human Centered Robotics Lab at the University of Te](https://millionrounds.com/company/apptronik) Apptronik is a human-centered robotics company based in Austin, Texas, founded in 2016 as a spinout from the Human Centered Robotics Lab at the University of Te *Founded* 2015 Austin, United States **$1.8B** last round Feb 2026
- 17 [**CesiumAstro** CesiumAstro is an aerospace and defense startup based in Austin, Texas, founded in 2017.](https://millionrounds.com/company/cesiumastro) CesiumAstro is an aerospace and defense startup based in Austin, Texas, founded in 2017. *Founded* 2017 Austin, United States **$1.8B** last round Nov 2026
- 18 [**Solyndra** Solyndra is a solar technology company based in Fremont, California.](https://millionrounds.com/company/solyndra) Solyndra is a solar technology company based in Fremont, California. *Founded* 2005 Fremont, United States **$1.8B** last round Jun 2011
- 19 [**Atoms**](https://millionrounds.com/company/atoms) *Founded* - United States **$1.7B** last round Jul 2026
- 20 [**Stoke Space** Stoke Space is a U.S.](https://millionrounds.com/company/stoke-space) Stoke Space is a U.S. *Founded* 2019 Kent, United States **$1.6B** last round Oct 2025
- 21 [**Archer Aviation**](https://millionrounds.com/company/archer-aviation) *Founded* - United States **$1.6B** last round Jun 2025
- 22 [**Anduril**](https://millionrounds.com/company/anduril) *Founded* - United States **$1.5B** last round Jul 2026
- 23 [**Nuro** Nuro, Inc.](https://millionrounds.com/company/nuro) Nuro, Inc. *Founded* 2016 Mountain View, United States **$1.4B** last round May 2026
- 24 [**Skild AI** Building general purpose robotic intelligence.](https://millionrounds.com/company/skild-ai) Building general purpose robotic intelligence. *Founded* 2023 Pittsburgh, United States **$1.4B** last round Jan 2026
- 25 [**Stoke Space Technologies** STOKE Space is a Washington-based manufacturer of space vehicle components and related equipment for the defense and aerospace industries.](https://millionrounds.com/company/stoke-space-technologies) STOKE Space is a Washington-based manufacturer of space vehicle components and related equipment for the defense and aerospace industries. *Founded* 2019 Seattle, United States **$1.3B** last round Sept 2026
- 26 [**Agility Robotics** Agility Robotics builds highly efficient, agile, and robust legged platforms for real world applications.](https://millionrounds.com/company/agility-robotics) Agility Robotics builds highly efficient, agile, and robust legged platforms for real world applications. *Founded* 2015 Salem, United States **$1.3B** last round Oct 2026
- 27 [**Impulse Space** Impulse Space is a private aerospace startup based in Redondo Beach, California, founded in September 2021 by Tom Mueller, a propulsion expert and former SpaceX employee.](https://millionrounds.com/company/impulse-space) Impulse Space is a private aerospace startup based in Redondo Beach, California, founded in September 2021 by Tom Mueller, a propulsion expert and former SpaceX employee. *Founded* 2021 Redondo Beach, United States **$1.3B** last round Sept 2026
- 28 [**Castelion** Castelion is a privately held defense technology and aerospace manufacturing company founded in November 2022 by former SpaceX executives Bryon Hargis, Sean Pit](https://millionrounds.com/company/castelion) Castelion is a privately held defense technology and aerospace manufacturing company founded in November 2022 by former SpaceX executives Bryon Hargis, Sean Pit *Founded* 2022 Torrance, United States **$1.3B** last round Aug 2026
- 29 [**Astranis** Astranis designs, builds, and operates the world’s most advanced high orbit satellites for sovereign connectivity.](https://millionrounds.com/company/astranis) Astranis designs, builds, and operates the world’s most advanced high orbit satellites for sovereign connectivity. *Founded* - United States **$1.2B** last round Sept 2026
- 30 [**UiPath** Transform enterprise operations with the UiPath PlatformTM for business orchestration and automation, enabling AI agents, robots, and people to deliver secure,](https://millionrounds.com/company/uipath) Transform enterprise operations with the UiPath PlatformTM for business orchestration and automation, enabling AI agents, robots, and people to deliver secure, *Founded* 1980 Eindhoven, United States **$1.2B** last round Mar 2019
- 31 [**Vulcan Elements** Vulcan Elements is a U.S.-based startup manufacturer founded in 2023, specializing in rare earth magnets, particularly sintered neodymium iron boron (NdFeB) magnets.](https://millionrounds.com/company/vulcan-elements) Vulcan Elements is a U.S.-based startup manufacturer founded in 2023, specializing in rare earth magnets, particularly sintered neodymium iron boron (NdFeB) magnets. *Founded* 2023 Vestavia Hills, United States **$1.1B** last round Apr 2026
- 32 [**Apex** Ian Cinnamon, CEO, and Max Benassi, CTO, founded Apex in 2022 to solve one of the space industry's biggest challenges: the satellite production bottleneck.](https://millionrounds.com/company/apex) Ian Cinnamon, CEO, and Max Benassi, CTO, founded Apex in 2022 to solve one of the space industry's biggest challenges: the satellite production bottleneck. *Founded* 2022 Los Angeles, United States **$1.1B** last round Oct 2026
- 33 [**FieldAI** FieldAI is the general-purpose brain making robots autonomous in complex, risky, real-world environments.](https://millionrounds.com/company/fieldai) FieldAI is the general-purpose brain making robots autonomous in complex, risky, real-world environments. *Founded* - Irvine, United States **$1.1B** last round Oct 2026
- 34 [**Etched** Etched is a technology company that has developed Sohu, the world’s first specialized chip (ASIC) designed specifically for transformer inference.](https://millionrounds.com/company/etched) Etched is a technology company that has developed Sohu, the world’s first specialized chip (ASIC) designed specifically for transformer inference. *Founded* 2022 San Jose, United States **$1.0B** last round Aug 2026
- 35 [**Unconventional, Inc.**](https://millionrounds.com/company/unconventional-inc) *Founded* - United States **$1.0B** last round Oct 2025
- 36 [**Mach Industries** Mach Industries is a defense technology startup based in Huntington Beach, California, founded in 2023.](https://millionrounds.com/company/mach-industries) Mach Industries is a defense technology startup based in Huntington Beach, California, founded in 2023. *Founded* 2022 Huntington Beach, United States **$1.0B** last round Sept 2026
- 37 [**HyperSat** HyperSat is a developer of hyperspectral imaging satellites.](https://millionrounds.com/company/hypersat) HyperSat is a developer of hyperspectral imaging satellites. *Founded* - United States **$935M** last round Sept 2018
- 38 [**TypeSafe AI** TypeSafe AI, founded in mid-2024 in San Francisco, specializes in developing reliable general AI systems optimized for no-human-in-the-loop automation.](https://millionrounds.com/company/typesafe-ai) TypeSafe AI, founded in mid-2024 in San Francisco, specializes in developing reliable general AI systems optimized for no-human-in-the-loop automation. *Founded* - Milpitas, United States **$910M** last round Oct 2026
- 39 [**Ayar Labs** Ayar Labs is a semiconductor company focused on transforming AI infrastructure through high-speed, light-based optical I/O solutions.](https://millionrounds.com/company/ayar-labs) Ayar Labs is a semiconductor company focused on transforming AI infrastructure through high-speed, light-based optical I/O solutions. *Founded* 2015 San Jose, United States **$904M** last round Oct 2026
- 40 [**Mind Robotics** Mind Robotics develops artificial intelligence and robotics systems designed for industrial environments and manufacturing operations.](https://millionrounds.com/company/mind-robotics) Mind Robotics develops artificial intelligence and robotics systems designed for industrial environments and manufacturing operations. *Founded* 2024 Palo Alto, United States **$900M** last round May 2026
- 41 [**Positron AI** Positron AI is a semiconductor and AI infrastructure company based in Reno, Nevada, founded in 2023.](https://millionrounds.com/company/positron-ai) Positron AI is a semiconductor and AI infrastructure company based in Reno, Nevada, founded in 2023. *Founded* 2023 Reno, United States **$875M** last round Sept 2026
- 42 [**Bedrock Robotics** Bedrock Robotics is an autonomous construction technology company based in San Francisco, California.](https://millionrounds.com/company/bedrock-robotics) Bedrock Robotics is an autonomous construction technology company based in San Francisco, California. *Founded* 2024 San Francisco, United States **$870M** last round Oct 2026
- 43 [**True Anomaly** True Anomaly is a defense technology company specializing in space defense.](https://millionrounds.com/company/true-anomaly) True Anomaly is a defense technology company specializing in space defense. *Founded* 2022 Englewood, United States **$860M** last round May 2026
- 44 [**Karman Space & Defense** Karman Space & Defense offers production solutions for hypersonics, spacecraft, launch vehicles, missiles, and integrated defense systems.](https://millionrounds.com/company/karman-space-and-defense) Karman Space & Defense offers production solutions for hypersonics, spacecraft, launch vehicles, missiles, and integrated defense systems. *Founded* 2021 Huntington Beach, United States **$854M** last round May 2026
- 45 [**Automation Anywhere** Automation Anywhere is a global software company based in San Jose, California, founded in 2003.](https://millionrounds.com/company/automation-anywhere) Automation Anywhere is a global software company based in San Jose, California, founded in 2003. *Founded* 2003 San Jose, United States **$840M** last round Nov 2019
- 46 [**Voyager Technologies** Voyager Technologies is a defense and space technology company that develops solutions for national security and commercial space missions.](https://millionrounds.com/company/voyager-technologies) Voyager Technologies is a defense and space technology company that develops solutions for national security and commercial space missions. *Founded* - Denver, United States **$785M** last round Sept 2026
- 47 [**Stord** Stord is a cloud supply chain platform that combines digital software with physical logistics to help omnichannel brands manage their supply chains efficiently.](https://millionrounds.com/company/stord) Stord is a cloud supply chain platform that combines digital software with physical logistics to help omnichannel brands manage their supply chains efficiently. *Founded* 2015 Union City, United States **$782M** last round Oct 2026
- 48 [**Oratomic** Oratomic is a quantum computing startup based in Pasadena, California, founded on March 31, 2026.](https://millionrounds.com/company/oratomic) Oratomic is a quantum computing startup based in Pasadena, California, founded on March 31, 2026. *Founded* - South Pasadena, United States **$775M** last round Oct 2026
- 49 [**K2 Space** K2 Space focuses on the latest generation of launch vehicles that will open the doors to the solar system.](https://millionrounds.com/company/k2-space) K2 Space focuses on the latest generation of launch vehicles that will open the doors to the solar system. *Founded* 2022 Torrance, United States **$750M** last round Jul 2026
- 50 [**Positron**](https://millionrounds.com/company/positron) *Founded* - United States **$732M** last round Sept 2026

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose funding rounds we classed as any of these sectors, ranked by the total they have 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 deep tech startups in the United States in the app, with filters, lists and exports.

[Find their investors](https://millionrounds.com/login?join=1&next=/app/investors)[All top lists](https://millionrounds.com/top-lists)

## More deep tech lists

[See all](https://millionrounds.com/top-lists?t=Deep%20tech)

[*S* *W* *T* **Deep tech startups worldwide** 2,050 companies · $187B](https://millionrounds.com/top-lists/deep-tech-startups)[*NR* *H* *O* **Deep tech startups in Europe** 592 companies · $40B](https://millionrounds.com/top-lists/deep-tech-startups-europe)[*W* *C* *G* **Deep tech startups in Bay Area** 231 companies · $61B](https://millionrounds.com/top-lists/deep-tech-startups-bay-area)[*O* *W* *U* **Deep tech startups in the United Kingdom** 185 companies · $19B](https://millionrounds.com/top-lists/deep-tech-startups-united-kingdom)[*E* *AA* *Q* **Deep tech startups in France** 81 companies · $2.4B](https://millionrounds.com/top-lists/deep-tech-startups-france)[*X* *L* *T* **Deep tech startups in Canada** 69 companies · $2.1B](https://millionrounds.com/top-lists/deep-tech-startups-canada)[*NR* *H* *QS* **Deep tech startups in Germany** 66 companies · $14B](https://millionrounds.com/top-lists/deep-tech-startups-germany)[*A* *F* *H* **Deep tech startups in Los Angeles** 53 companies · $6.9B](https://millionrounds.com/top-lists/deep-tech-startups-los-angeles)

## More lists for United States

[See all](https://millionrounds.com/top-lists?r=United%20States)

[*O* *A* *X* **Startups in the United States** 42,176 companies · $870B](https://millionrounds.com/top-lists/startups-united-states)[*GV* *V* *RP* **Health startups in the United States** 7,411 companies · $71B](https://millionrounds.com/top-lists/health-startups-united-states)[*O* *A* *X* **AI startups in the United States** 5,656 companies · $718B](https://millionrounds.com/top-lists/ai-startups-united-states)[*V* *RP* *DH* **Healthcare startups in the United States** 4,148 companies · $51B](https://millionrounds.com/top-lists/healthcare-startups-united-states)[*S* *P* *I* **IT Services startups in the United States** 3,482 companies · $27B](https://millionrounds.com/top-lists/it-services-startups-united-states)[*D* *CE* *AD* **Big Data & Analytics startups in the United States** 2,107 companies · $132B](https://millionrounds.com/top-lists/big-data-startups-united-states)[*O* *A* *W* **AI startups in the United States that raised in 2026** 1,648 companies · $431B in 2026](https://millionrounds.com/top-lists/ai-startups-united-states-raised-2026)[*D* *P* *A* **Software startups in the United States** 1,638 companies · $77B](https://millionrounds.com/top-lists/software-startups-united-states)