# Top 39 Deep Tech Startups in Boston by Funding (2026)

> The 39 best-funded deep tech startups in Boston, ranked by total funding raised: $1.8B combined. With founding year, headquarters and each company's rounds.

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

- 1 [**Walden Robotics** Walden Robotics Builds wheeled, two-armed semi-humanoid robots using Physical AI for manufacturing and logistics.](https://millionrounds.com/company/walden-robotics) Walden Robotics Builds wheeled, two-armed semi-humanoid robots using Physical AI for manufacturing and logistics. *Founded* - Cambridge, United States **$300M** last round Jul 2026
- 2 [**QuEra Computing** QuEra Computing is a neutral-atoms-based quantum computing startup, located in Boston, near Harvard University.](https://millionrounds.com/company/quera-computing) QuEra Computing is a neutral-atoms-based quantum computing startup, located in Boston, near Harvard University. *Founded* 2018 Boston, United States **$230M** last round Feb 2025
- 3 [**Tomorrow.io** Tomorrow.io is a weather intelligence platform that provides real-time weather forecasts.](https://millionrounds.com/company/tomorrow-io) Tomorrow.io is a weather intelligence platform that provides real-time weather forecasts. *Founded* 2016 Boston, United States **$210M** last round May 2026
- 4 [**Superpedestrian** Superpedestrian is a transportation robotics company located in Cambridge, MA.](https://millionrounds.com/company/superpedestrian) Superpedestrian is a transportation robotics company located in Cambridge, MA. *Founded* 2013 Cambridge, United States **$168M** last round Feb 2022
- 5 [**Tutor Intelligence** Tutor Intelligence is an information technology company that specializes in the fields of robotics, AI, and machine learning.](https://millionrounds.com/company/tutor-intelligence) Tutor Intelligence is an information technology company that specializes in the fields of robotics, AI, and machine learning. *Founded* 2021 Watertown, United States **$109M** last round Nov 2026
- 6 [**1366 Technologies** 1366 Technologies is a manufacturer of silicon wafers used to deliver solar modules.](https://millionrounds.com/company/1366-technologies) 1366 Technologies is a manufacturer of silicon wafers used to deliver solar modules. *Founded* 2008 Bedford, United States **$89M** last round Dec 2019
- 7 [**Vertical Semiconductor** Vertical Semiconductor is an MIT-spun company dedicated to reinventing power conversion for AI chips and data centers.](https://millionrounds.com/company/vertical-semiconductor) Vertical Semiconductor is an MIT-spun company dedicated to reinventing power conversion for AI chips and data centers. *Founded* - Cambridge, United States **$84M** last round Oct 2026
- 8 [**Merlin Labs** Merlin Labs develops hardware and software solutions that deliver the capability for aircraft to fly useful missions autonomously.](https://millionrounds.com/company/merlin-labs) Merlin Labs develops hardware and software solutions that deliver the capability for aircraft to fly useful missions autonomously. *Founded* 2018 Boston, United States **$80M** last round Apr 2026
- 9 [**FlexCompute** Flexcompute is a Boston-based software company founded in 2015 that specializes in cloud-based multi-physics simulation tools.](https://millionrounds.com/company/flexcompute) Flexcompute is a Boston-based software company founded in 2015 that specializes in cloud-based multi-physics simulation tools. *Founded* 2015 Boston, United States **$53M** last round Oct 2026
- 10 [**Verve Motion** Verve Motion, Inc.](https://millionrounds.com/company/verve-motion) Verve Motion, Inc. *Founded* 2020 Cambridge, United States **$48M** last round May 2026
- 11 [**Vecna Robotics** Vecna Robotics, Inc.](https://millionrounds.com/company/vecna-robotics) Vecna Robotics, Inc. *Founded* 1998 Waltham, United States **$46M** last round Sept 2026
- 12 [**Dash Bio** Dash Bio is a technology-focused Clinical Research Organization (CRO) and biotechnology company based in Boston, Massachusetts, with operations in Newton.](https://millionrounds.com/company/dash-bio) Dash Bio is a technology-focused Clinical Research Organization (CRO) and biotechnology company based in Boston, Massachusetts, with operations in Newton. *Founded* 2024 Boston, United States **$41M** last round Aug 2026
- 13 [**Optics 1** Optics1 is engaged in optics design and optical developments, including visible, infrared and ultraviolet light, X-rays and microwaves.](https://millionrounds.com/company/optics-1) Optics1 is engaged in optics design and optical developments, including visible, infrared and ultraviolet light, X-rays and microwaves. *Founded* 1987 Bedford, United States **$38M** last round Jan 2010
- 14 [**Boston Dynamics** Boston Dynamics builds advanced mobile manipulation robots with remarkable mobility, dexterity perception and agility.](https://millionrounds.com/company/boston-dynamics) Boston Dynamics builds advanced mobile manipulation robots with remarkable mobility, dexterity perception and agility. *Founded* 1992 Waltham, United States **$37M** last round Feb 2019
- 15 [**Arctic Sand Technologies** Arctic Sand designs and manufactures low-power semiconductors for use in power conversion applications.](https://millionrounds.com/company/arctic-sand-technologies) Arctic Sand designs and manufactures low-power semiconductors for use in power conversion applications. *Founded* 2011 Burlington, United States **$36M** last round Nov 2015
- 16 [**RightHand Robotics** RightHand Robotics provides end-to-end solutions that reduce the cost of e-commerce order-fulfillment of electronics, apparel, grocery.](https://millionrounds.com/company/righthand-robotics) RightHand Robotics provides end-to-end solutions that reduce the cost of e-commerce order-fulfillment of electronics, apparel, grocery. *Founded* 2014 Somerville, United States **$34M** last round Mar 2025
- 17 [**Familiar Machines & Magic** Familiar Machines & Magic is a robotics company that offers a home robot for health and wellness.](https://millionrounds.com/company/familiar-machines-and-magic) Familiar Machines & Magic is a robotics company that offers a home robot for health and wellness. *Founded* - Woburn, United States **$30M** last round Dec 2024
- 18 [**Nano Terra** Nano-Terra operates as a nano- and micro-technology development company.](https://millionrounds.com/company/nano-terra) Nano-Terra operates as a nano- and micro-technology development company. *Founded* 2006 Cambridge, United States **$26M** last round Oct 2014
- 19 [**Axiomatic AI** Axiomatic_AI is readying to launch with the aim to accelerate R&D by "Automated Interpretable Reasoning" (AIR) -- a verifiably truthful AI model built for reaso](https://millionrounds.com/company/axiomatic-ai) Axiomatic_AI is readying to launch with the aim to accelerate R&D by "Automated Interpretable Reasoning" (AIR) -- a verifiably truthful AI model built for reaso *Founded* 2024 Cambridge, United States **$18M** last round Mar 2026
- 20 [**Tego** Tego is a complete solution for asset tracking and data management, at the edge.](https://millionrounds.com/company/tego) Tego is a complete solution for asset tracking and data management, at the edge. *Founded* 2005 Waltham, United States **$14M** last round Nov 2015
- 21 [**Geminus** Geminus is an industrial technology company that specializes in real-time, physics-native artificial intelligence.](https://millionrounds.com/company/geminus) Geminus is an industrial technology company that specializes in real-time, physics-native artificial intelligence. *Founded* 2018 Cambridge, United States **$13M** last round Jan 2024
- 22 [**Accion Systems** Accion Systems is a Boston-based aerospace startup founded in 2014, specializing in electric propulsion systems for small satellites and spacecraft.](https://millionrounds.com/company/accion-systems) Accion Systems is a Boston-based aerospace startup founded in 2014, specializing in electric propulsion systems for small satellites and spacecraft. *Founded* 2014 Boston, United States **$11M** last round Sept 2024
- 23 [**Cambridge Communication Systems** Cambridge Communication Systems Limited develops microwave backhaul systems for the mobile communications industry.](https://millionrounds.com/company/cambridge-communication-systems) Cambridge Communication Systems Limited develops microwave backhaul systems for the mobile communications industry. *Founded* 2010 Cambridge, United States **$10M** last round Feb 2019
- 24 [**Enigma Aerospace** Enigma Aerospace focuses on developing autonomous aerial logistics technologies targeted at defense and B2B markets.](https://millionrounds.com/company/enigma-aerospace) Enigma Aerospace focuses on developing autonomous aerial logistics technologies targeted at defense and B2B markets. *Founded* - Boston, United States **$8.3M** last round Mar 2026
- 25 [**Adapteva** Adapteva, Inc., now known as Zero ASIC Corp, is a fabless semiconductor company based in Lexington, Massachusetts.](https://millionrounds.com/company/adapteva) Adapteva, Inc., now known as Zero ASIC Corp, is a fabless semiconductor company based in Lexington, Massachusetts. *Founded* 2008 Lexington, United States **$6.0M** last round Jan 2014
- 26 [**Terrafugia** Terrafugia manufactures aircrafts for personal transportation.](https://millionrounds.com/company/terrafugia) Terrafugia manufactures aircrafts for personal transportation. *Founded* 2006 Woburn, United States **$5.8M** last round May 2012
- 27 [**Revolution Space** Revolution Space is an aerospace company based in Charlestown, Massachusetts, founded in 2014.](https://millionrounds.com/company/revolution-space) Revolution Space is an aerospace company based in Charlestown, Massachusetts, founded in 2014. *Founded* 2023 Boston, United States **$5.7M** last round Oct 2024
- 28 [**Diffraqtion** Diffraqtion is a Boston-based deep-tech startup founded in 2024, specializing in quantum cameras and visual AI hardware and software.](https://millionrounds.com/company/diffraqtion) Diffraqtion is a Boston-based deep-tech startup founded in 2024, specializing in quantum cameras and visual AI hardware and software. *Founded* 2025 Somerville, United States **$5.4M** last round Jan 2026
- 29 [**Space Tango** Space Tango designs and builds hardware and software platforms that enable microgravity research.](https://millionrounds.com/company/space-tango) Space Tango designs and builds hardware and software platforms that enable microgravity research. *Founded* 2014 Lexington, United States **$5.0M** last round Feb 2024
- 30 [**Yeloha** Yeloha is a Boston-based solar energy company that has developed a digital solar subscription network.](https://millionrounds.com/company/yeloha) Yeloha is a Boston-based solar energy company that has developed a digital solar subscription network. *Founded* 2015 Boston, United States **$4.5M** last round Apr 2015
- 31 [**American Biomass** The nation's leading provider of renewable heating fuels.](https://millionrounds.com/company/american-biomass) The nation's leading provider of renewable heating fuels. *Founded* 2006 Bedford, United States **$4.0M** last round May 2008
- 32 [**Ava Robotics** Ava Robotics is a private American company that specializes in designing and building intelligent autonomous telepresence robots for commercial workplaces.](https://millionrounds.com/company/ava-robotics) Ava Robotics is a private American company that specializes in designing and building intelligent autonomous telepresence robots for commercial workplaces. *Founded* 2016 Boston, United States **$2.9M** last round May 2019
- 33 [**AirWorks** AirWorks is a Boston-based geospatial intelligence company that specializes in converting aerial datasets into engineering-ready CAD linework and mapping deliverables.](https://millionrounds.com/company/airworks) AirWorks is a Boston-based geospatial intelligence company that specializes in converting aerial datasets into engineering-ready CAD linework and mapping deliverables. *Founded* 2017 Boston, United States **$2.3M** last round Oct 2023
- 34 [**Promethean Power Systems** Promethean Power Systems is a cold-chain agtech company founded in 2007, focused on designing and manufacturing rural refrigeration systems.](https://millionrounds.com/company/promethean-power-systems) Promethean Power Systems is a cold-chain agtech company founded in 2007, focused on designing and manufacturing rural refrigeration systems. *Founded* 2007 Somerville, United States **$1.1M** last round Dec 2013
- 35 [**Ribbit** Ribbit is an autonomous air cargo delivery company that focuses on pilotless aircraft operations for remote and hard-to-reach areas.](https://millionrounds.com/company/ribbit) Ribbit is an autonomous air cargo delivery company that focuses on pilotless aircraft operations for remote and hard-to-reach areas. *Founded* 2020 Burlington, United States **$1.0M** last round Dec 2020
- 36 [**Airmada** Airmada Inc.](https://millionrounds.com/company/airmada) Airmada Inc. *Founded* 2015 Boston, United States **$750K** last round May 2016
- 37 [**Anfiro** Anfiro is a water technology start-up addressing global freshwater scarcity.](https://millionrounds.com/company/anfiro) Anfiro is a water technology start-up addressing global freshwater scarcity. *Founded* 2014 Cambridge, United States **$275K** last round Jan 2018
- 38 [**BitEnergy AI** Running AI with Only A Bit Energy](https://millionrounds.com/company/bitenergy-ai) Running AI with Only A Bit Energy *Founded* - Boston, United States **$75K** last round Mar 2025
- 39 [**GelSight** GelSight provides extremely detailed and rapid surface measurements through the novel GelSight sensor technology.](https://millionrounds.com/company/gelsight) GelSight provides extremely detailed and rapid surface measurements through the novel GelSight sensor technology. *Founded* 2011 Waltham, United States **$40K** last round Aug 2022

**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?

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## 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)[*S* *W* *BO* **Deep tech startups in the United States** 1,000 companies · $156B](https://millionrounds.com/top-lists/deep-tech-startups-united-states)[*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)

## More lists for Boston

[See all](https://millionrounds.com/top-lists?r=Boston)

[*R* *D* *W* **Startups in Boston** 830 companies · $21B](https://millionrounds.com/top-lists/startups-boston)[*DH* *BM* *W* **Health startups in Boston** 617 companies · $27B](https://millionrounds.com/top-lists/health-startups-boston)[*R* *S* *D* **AI startups in Boston** 197 companies · $12B](https://millionrounds.com/top-lists/ai-startups-boston)[*W* *IT* *CT* **Biotech startups in Boston** 125 companies · $10B](https://millionrounds.com/top-lists/biotech-startups-boston)[*W* *IT* *P* **Healthcare startups in Boston** 99 companies · $7.8B](https://millionrounds.com/top-lists/healthcare-startups-boston)[*MG* *E* *B* **IT Services startups in Boston** 76 companies · $1.7B](https://millionrounds.com/top-lists/it-services-startups-boston)[*D* *C* *A* **Big Data & Analytics startups in Boston** 58 companies · $2.4B](https://millionrounds.com/top-lists/big-data-startups-boston)[*FE* *GP* *RR* **Energy startups in Boston** 37 companies · $4.5B](https://millionrounds.com/top-lists/energy-startups-boston)