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Deep tech startups in Boston

39 deep tech startups in Boston have raised money in rounds we track. These are the 39 that have raised the most, $1.8B between them.

$1.8Braised by these 39
39on our record in all
Walden Roboticsraised the most
  1. 1Walden RoboticsWalden Robotics Builds wheeled, two-armed semi-humanoid robots using Physical AI for manufacturing and logistics.

    Walden Robotics Builds wheeled, two-armed semi-humanoid robots using Physical AI for manufacturing and logistics.

    Founded -Cambridge, United States$300Mlast round Jul 2026
  2. 2QuEra ComputingQuEra Computing is a neutral-atoms-based quantum computing startup, located in Boston, near Harvard University.

    QuEra Computing is a neutral-atoms-based quantum computing startup, located in Boston, near Harvard University.

    Founded 2018Boston, United States$230Mlast round Feb 2025
  3. 3Tomorrow.ioTomorrow.io is a weather intelligence platform that provides real-time weather forecasts.

    Tomorrow.io is a weather intelligence platform that provides real-time weather forecasts.

    Founded 2016Boston, United States$210Mlast round May 2026
  4. 4SuperpedestrianSuperpedestrian is a transportation robotics company located in Cambridge, MA.

    Superpedestrian is a transportation robotics company located in Cambridge, MA.

    Founded 2013Cambridge, United States$168Mlast round Feb 2022
  5. 5Tutor IntelligenceTutor Intelligence is an information technology company that specializes in the fields of robotics, AI, and machine learning.

    Tutor Intelligence is an information technology company that specializes in the fields of robotics, AI, and machine learning.

    Founded 2021Watertown, United States$109Mlast round Nov 2026
  6. 61366 Technologies1366 Technologies is a manufacturer of silicon wafers used to deliver solar modules.

    1366 Technologies is a manufacturer of silicon wafers used to deliver solar modules.

    Founded 2008Bedford, United States$89Mlast round Dec 2019
  7. 7Vertical SemiconductorVertical Semiconductor is an MIT-spun company dedicated to reinventing power conversion for AI chips and data centers.

    Vertical Semiconductor is an MIT-spun company dedicated to reinventing power conversion for AI chips and data centers.

    Founded -Cambridge, United States$84Mlast round Oct 2026
  8. 8Merlin LabsMerlin Labs develops hardware and software solutions that deliver the capability for aircraft to fly useful missions autonomously.

    Merlin Labs develops hardware and software solutions that deliver the capability for aircraft to fly useful missions autonomously.

    Founded 2018Boston, United States$80Mlast round Apr 2026
  9. 9FlexComputeFlexcompute is a Boston-based software company founded in 2015 that specializes in cloud-based multi-physics simulation tools.

    Flexcompute is a Boston-based software company founded in 2015 that specializes in cloud-based multi-physics simulation tools.

    Founded 2015Boston, United States$53Mlast round Oct 2026
  10. 10Verve MotionVerve Motion, Inc.

    Verve Motion, Inc.

    Founded 2020Cambridge, United States$48Mlast round May 2026
  11. 11Vecna RoboticsVecna Robotics, Inc.

    Vecna Robotics, Inc.

    Founded 1998Waltham, United States$46Mlast round Sept 2026
  12. 12Dash BioDash Bio is a technology-focused Clinical Research Organization (CRO) and biotechnology company based in Boston, Massachusetts, with operations in Newton.

    Dash Bio is a technology-focused Clinical Research Organization (CRO) and biotechnology company based in Boston, Massachusetts, with operations in Newton.

    Founded 2024Boston, United States$41Mlast round Aug 2026
  13. 13Optics 1Optics1 is engaged in optics design and optical developments, including visible, infrared and ultraviolet light, X-rays and microwaves.

    Optics1 is engaged in optics design and optical developments, including visible, infrared and ultraviolet light, X-rays and microwaves.

    Founded 1987Bedford, United States$38Mlast round Jan 2010
  14. 14Boston DynamicsBoston Dynamics builds advanced mobile manipulation robots with remarkable mobility, dexterity perception and agility.

    Boston Dynamics builds advanced mobile manipulation robots with remarkable mobility, dexterity perception and agility.

    Founded 1992Waltham, United States$37Mlast round Feb 2019
  15. 15Arctic Sand TechnologiesArctic Sand designs and manufactures low-power semiconductors for use in power conversion applications.

    Arctic Sand designs and manufactures low-power semiconductors for use in power conversion applications.

    Founded 2011Burlington, United States$36Mlast round Nov 2015
  16. 16RightHand RoboticsRightHand Robotics provides end-to-end solutions that reduce the cost of e-commerce order-fulfillment of electronics, apparel, grocery.

    RightHand Robotics provides end-to-end solutions that reduce the cost of e-commerce order-fulfillment of electronics, apparel, grocery.

    Founded 2014Somerville, United States$34Mlast round Mar 2025
  17. 17Familiar Machines & MagicFamiliar Machines & Magic is a robotics company that offers a home robot for health and wellness.

    Familiar Machines & Magic is a robotics company that offers a home robot for health and wellness.

    Founded -Woburn, United States$30Mlast round Dec 2024
  18. 18Nano TerraNano-Terra operates as a nano- and micro-technology development company.

    Nano-Terra operates as a nano- and micro-technology development company.

    Founded 2006Cambridge, United States$26Mlast round Oct 2014
  19. 19Axiomatic AIAxiomatic_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

    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 2024Cambridge, United States$18Mlast round Mar 2026
  20. 20TegoTego is a complete solution for asset tracking and data management, at the edge.

    Tego is a complete solution for asset tracking and data management, at the edge.

    Founded 2005Waltham, United States$14Mlast round Nov 2015
  21. 21GeminusGeminus is an industrial technology company that specializes in real-time, physics-native artificial intelligence.

    Geminus is an industrial technology company that specializes in real-time, physics-native artificial intelligence.

    Founded 2018Cambridge, United States$13Mlast round Jan 2024
  22. 22Accion SystemsAccion Systems is a Boston-based aerospace startup founded in 2014, specializing in electric propulsion systems for small satellites and spacecraft.

    Accion Systems is a Boston-based aerospace startup founded in 2014, specializing in electric propulsion systems for small satellites and spacecraft.

    Founded 2014Boston, United States$11Mlast round Sept 2024
  23. 23Cambridge Communication SystemsCambridge Communication Systems Limited develops microwave backhaul systems for the mobile communications industry.

    Cambridge Communication Systems Limited develops microwave backhaul systems for the mobile communications industry.

    Founded 2010Cambridge, United States$10Mlast round Feb 2019
  24. 24Enigma AerospaceEnigma Aerospace focuses on developing autonomous aerial logistics technologies targeted at defense and B2B markets.

    Enigma Aerospace focuses on developing autonomous aerial logistics technologies targeted at defense and B2B markets.

    Founded -Boston, United States$8.3Mlast round Mar 2026
  25. 25AdaptevaAdapteva, Inc., now known as Zero ASIC Corp, is a fabless semiconductor company based in Lexington, Massachusetts.

    Adapteva, Inc., now known as Zero ASIC Corp, is a fabless semiconductor company based in Lexington, Massachusetts.

    Founded 2008Lexington, United States$6.0Mlast round Jan 2014
  26. 26TerrafugiaTerrafugia manufactures aircrafts for personal transportation.

    Terrafugia manufactures aircrafts for personal transportation.

    Founded 2006Woburn, United States$5.8Mlast round May 2012
  27. 27Revolution SpaceRevolution Space is an aerospace company based in Charlestown, Massachusetts, founded in 2014.

    Revolution Space is an aerospace company based in Charlestown, Massachusetts, founded in 2014.

    Founded 2023Boston, United States$5.7Mlast round Oct 2024
  28. 28DiffraqtionDiffraqtion is a Boston-based deep-tech startup founded in 2024, specializing in quantum cameras and visual AI hardware and software.

    Diffraqtion is a Boston-based deep-tech startup founded in 2024, specializing in quantum cameras and visual AI hardware and software.

    Founded 2025Somerville, United States$5.4Mlast round Jan 2026
  29. 29Space TangoSpace Tango designs and builds hardware and software platforms that enable microgravity research.

    Space Tango designs and builds hardware and software platforms that enable microgravity research.

    Founded 2014Lexington, United States$5.0Mlast round Feb 2024
  30. 30YelohaYeloha is a Boston-based solar energy company that has developed a digital solar subscription network.

    Yeloha is a Boston-based solar energy company that has developed a digital solar subscription network.

    Founded 2015Boston, United States$4.5Mlast round Apr 2015
  31. 31American BiomassThe nation's leading provider of renewable heating fuels.

    The nation's leading provider of renewable heating fuels.

    Founded 2006Bedford, United States$4.0Mlast round May 2008
  32. 32Ava RoboticsAva Robotics is a private American company that specializes in designing and building intelligent autonomous telepresence robots for commercial workplaces.

    Ava Robotics is a private American company that specializes in designing and building intelligent autonomous telepresence robots for commercial workplaces.

    Founded 2016Boston, United States$2.9Mlast round May 2019
  33. 33AirWorksAirWorks is a Boston-based geospatial intelligence company that specializes in converting aerial datasets into engineering-ready CAD linework and mapping deliverables.

    AirWorks is a Boston-based geospatial intelligence company that specializes in converting aerial datasets into engineering-ready CAD linework and mapping deliverables.

    Founded 2017Boston, United States$2.3Mlast round Oct 2023
  34. 34Promethean Power SystemsPromethean Power Systems is a cold-chain agtech company founded in 2007, focused on designing and manufacturing rural refrigeration systems.

    Promethean Power Systems is a cold-chain agtech company founded in 2007, focused on designing and manufacturing rural refrigeration systems.

    Founded 2007Somerville, United States$1.1Mlast round Dec 2013
  35. 35RibbitRibbit is an autonomous air cargo delivery company that focuses on pilotless aircraft operations for remote and hard-to-reach areas.

    Ribbit is an autonomous air cargo delivery company that focuses on pilotless aircraft operations for remote and hard-to-reach areas.

    Founded 2020Burlington, United States$1.0Mlast round Dec 2020
  36. 36AirmadaAirmada Inc.

    Airmada Inc.

    Founded 2015Boston, United States$750Klast round May 2016
  37. 37AnfiroAnfiro is a water technology start-up addressing global freshwater scarcity.

    Anfiro is a water technology start-up addressing global freshwater scarcity.

    Founded 2014Cambridge, United States$275Klast round Jan 2018
  38. 38BitEnergy AIRunning AI with Only A Bit Energy

    Running AI with Only A Bit Energy

    Founded -Boston, United States$75Klast round Mar 2025
  39. 39GelSightGelSight provides extremely detailed and rapid surface measurements through the novel GelSight sensor technology.

    GelSight provides extremely detailed and rapid surface measurements through the novel GelSight sensor technology.

    Founded 2011Waltham, United States$40Klast round Aug 2022
Total fundinghow the list is ranked
15 November 2026updated nightly
Rounds we tracksource: 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.

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