{"question":"Who invests in deep tech startups in the United States?","answer":"100 investors hold two or more deep tech startups in the United States each, 215 portfolio startups in all. The most active here are Techstars (31), Y Combinator (23) and Plug and Play (15). 15 of them are accelerators.","country":"United States","sector":"Deep tech","investors":100,"portfolio_startups":215,"list":[{"name":"Techstars","url":"https://alion.io/company/techstars","type":"Accelerator","based_in":"United States","startups_here":31,"examples":["Mast Reforestation","Project Canary","Urban Sky"],"portfolio_rounds_12m":112,"latest_activity":"2026-11-10"},{"name":"Y Combinator","url":"https://alion.io/company/y-combinator","type":"Accelerator","based_in":"United States","startups_here":23,"examples":["REGENT","Andromeda Surgical","Rigetti Computing"],"portfolio_rounds_12m":259,"latest_activity":"2026-10-30"},{"name":"Plug and Play","url":"https://alion.io/company/plug-and-play","type":"Accelerator","based_in":"United States","startups_here":15,"examples":["Citrine Informatics","Atmo","Squint"],"portfolio_rounds_12m":159,"latest_activity":"2026-11-10"},{"name":"DCVC","url":"https://alion.io/company/dcvc","type":"Venture capital","based_in":"United States","startups_here":9,"examples":["Rainmaker","Kairos Power","REGENT"],"portfolio_rounds_12m":28,"latest_activity":"2026-11-05"},{"name":"Lowercarbon Capital","url":"https://alion.io/company/lowercarbon-capital","type":"Venture capital","based_in":"United States","startups_here":9,"examples":["Living Carbon","Remora","Commonwealth Fusion Systems"],"portfolio_rounds_12m":16,"latest_activity":"2026-09-17"},{"name":"Elemental Impact","url":"https://alion.io/company/elemental-impact","type":"Accelerator","based_in":"United States","startups_here":7,"examples":["Mast Reforestation","Vibrant Planet","Dimensional Energy"],"portfolio_rounds_12m":11,"latest_activity":"2026-09-16"},{"name":"Khosla Ventures","url":"https://alion.io/company/khosla-ventures","type":"Venture capital","based_in":"United States","startups_here":6,"examples":["Commonwealth Fusion Systems","Synchron","Vitara"],"portfolio_rounds_12m":43,"latest_activity":"2026-11-07"},{"name":"SOSV","url":"https://alion.io/company/sosv","type":"Accelerator","based_in":"United States","startups_here":6,"examples":["Mesa Quantum","OneSkin","Clarity"],"portfolio_rounds_12m":37,"latest_activity":"2026-11-05"},{"name":"General Catalyst","url":"https://alion.io/company/generalcatalyst","type":"Venture capital","based_in":"United States","startups_here":5,"examples":["SAIC","Lila Sciences","Oratomic"],"portfolio_rounds_12m":124,"latest_activity":"2026-11-02"},{"name":"Toyota Ventures","url":"https://alion.io/company/toyota-ventures","type":"Venture capital","based_in":"United States","startups_here":5,"examples":["Living Carbon","Arcturus","Haiqu"],"portfolio_rounds_12m":17,"latest_activity":"2026-10-28"},{"name":"ARCH Venture Partners","url":"https://alion.io/company/arch-venture-partners","type":"Venture capital","based_in":"United States","startups_here":5,"examples":["Synchron","Quantum Circuits","Pheast Therapeutics"],"portfolio_rounds_12m":16,"latest_activity":"2026-10-08"},{"name":"New Mountain Capital","url":"https://alion.io/company/new-mountain-capital","type":"Private equity","based_in":"United States","startups_here":5,"examples":["Pearce Services","3E","Cumming Group"],"portfolio_rounds_12m":2,"latest_activity":"2026-09-01"},{"name":"Andreessen Horowitz","url":"https://alion.io/company/andreessen-horowitz","type":"Venture capital","based_in":"United States","startups_here":4,"examples":["Rigetti Computing","Cyngn","Standard Nuclear"],"portfolio_rounds_12m":101,"latest_activity":"2026-11-07"},{"name":"Lightspeed Venture Partners","url":"https://alion.io/company/lightspeed-venture-partners","type":"Venture capital","based_in":"United States","startups_here":4,"examples":["Discovered Materials","Helion Energy","Eagle Technology Partners Inc"],"portfolio_rounds_12m":86,"latest_activity":"2026-11-09"},{"name":"Soma Capital","url":"https://alion.io/company/soma-capital","type":"Venture capital","based_in":"United States","startups_here":4,"examples":["REGENT","Living Carbon","Meadow"],"portfolio_rounds_12m":63,"latest_activity":"2026-11-09"},{"name":"Silicon Valley Investclub","url":"https://alion.io/company/silicon-valley-investclub","type":"Accelerator","based_in":null,"startups_here":4,"examples":["Lila Sciences","Quantinuum","Commonwealth Fusion Systems"],"portfolio_rounds_12m":47,"latest_activity":"2026-11-07"},{"name":"Meta Planet","url":"https://alion.io/company/metaplanet-com","type":"Venture capital","based_in":"Estonia","startups_here":4,"examples":["PsiQuantum","Experiment","Living Carbon"],"portfolio_rounds_12m":22,"latest_activity":"2026-10-29"},{"name":"Energy Impact Partners","url":"https://alion.io/company/energy-impact-partners","type":"Venture capital","based_in":"United States","startups_here":4,"examples":["Zitara","CivilGrid","Project Canary"],"portfolio_rounds_12m":19,"latest_activity":"2026-11-05"},{"name":"Multimodal Ventures","url":"https://alion.io/company/multimodal-ventures","type":"Venture capital","based_in":null,"startups_here":4,"examples":["Discovered Materials","Conductor Quantum","Jeevy Fabrication"],"portfolio_rounds_12m":19,"latest_activity":"2026-10-06"},{"name":"Engine Ventures","url":"https://alion.io/company/engineventures","type":"Venture capital","based_in":"United States","startups_here":4,"examples":["Commonwealth Fusion Systems","Quaise Energy","Emvolon"],"portfolio_rounds_12m":15,"latest_activity":"2026-09-17"},{"name":"Leonard Green & Partners","url":"https://alion.io/company/leonard-green-and-partners","type":"Private equity","based_in":"United States","startups_here":4,"examples":["Pace Analytical","Cumming Group","Geostabilization International"],"portfolio_rounds_12m":1,"latest_activity":"2025-12-15"},{"name":"Arlington Capital Partners","url":"https://alion.io/company/arlington-capital-partners","type":"Private equity","based_in":"United States","startups_here":4,"examples":["Parsons","NV5","Quantum Sky"],"portfolio_rounds_12m":0,"latest_activity":null},{"name":"Endeavor","url":"https://alion.io/company/endeavor-3","type":"Accelerator","based_in":"United States","startups_here":3,"examples":["OneSkin","Vescent","Circuit Clinical"],"portfolio_rounds_12m":55,"latest_activity":"2026-10-23"},{"name":"NEA","url":"https://alion.io/company/nea-3","type":"Venture capital","based_in":"United States","startups_here":3,"examples":["IonQ","TAE Technologies","SetPoint Medical"],"portfolio_rounds_12m":38,"latest_activity":"2026-10-14"},{"name":"Scribble Ventures","url":"https://alion.io/company/scribble-ventures","type":"Venture capital","based_in":"United States","startups_here":3,"examples":["Panthalassa","Atmo","Bluecore Energy"],"portfolio_rounds_12m":34,"latest_activity":"2026-11-09"},{"name":"Global Brain","url":"https://alion.io/company/global-brain","type":"Venture capital","based_in":"Japan","startups_here":3,"examples":["REGENT","Commonwealth Fusion Systems","Numat Technologies# Materials# North America"],"portfolio_rounds_12m":32,"latest_activity":"2026-10-23"},{"name":"Union Square Ventures","url":"https://alion.io/company/union-square-ventures","type":"Venture capital","based_in":"United States","startups_here":3,"examples":["Remora","Lithoscarbon","Sofar Ocean"],"portfolio_rounds_12m":21,"latest_activity":"2026-10-27"},{"name":"MaC Venture Capital","url":"https://alion.io/company/mac-venture-capital","type":"Venture capital","based_in":"United States","startups_here":3,"examples":["Standard Subsea","Haiqu","Bluecore Energy"],"portfolio_rounds_12m":19,"latest_activity":"2026-10-28"},{"name":"Cisco Investments","url":"https://alion.io/company/cisco-investments","type":"Venture capital","based_in":"United States","startups_here":3,"examples":["Control4","2026 Aliro Technologies, Inc.","Dipole Labs"],"portfolio_rounds_12m":19,"latest_activity":"2026-09-28"},{"name":"Point72 Ventures","url":"https://alion.io/company/p72","type":"Venture capital","based_in":"United States","startups_here":3,"examples":["REGENT","Endurance Energy","Antares Nuclear"],"portfolio_rounds_12m":16,"latest_activity":"2026-10-16"},{"name":"Toba Capital","url":"https://alion.io/company/toba-capital","type":"Venture capital","based_in":"United States","startups_here":3,"examples":["Conductor Quantum","REGENT","Euclid Power"],"portfolio_rounds_12m":10,"latest_activity":"2026-10-14"},{"name":"Elevate Ventures","url":"https://alion.io/company/elevate-ventures","type":"Venture capital","based_in":"United States","startups_here":3,"examples":["University of Notre Dame","NearWave","Erickson Motors"],"portfolio_rounds_12m":8,"latest_activity":"2026-09-11"},{"name":"Portland Seed Fund","url":"https://alion.io/company/portland-seed-fund","type":"Accelerator","based_in":"United States","startups_here":3,"examples":["Onboarddynamics","Panthalassa","Photonmarine"],"portfolio_rounds_12m":4,"latest_activity":"2026-09-16"},{"name":"Launch NY","url":"https://alion.io/company/launch-ny","type":"Accelerator","based_in":"United States","startups_here":3,"examples":["Dimensional Energy","Circuit Clinical","Paradigm Emissions Tech"],"portfolio_rounds_12m":4,"latest_activity":"2026-06-24"},{"name":"Katapult Ocean","url":"https://alion.io/company/katapult-ocean","type":"Venture capital","based_in":"Norway","startups_here":3,"examples":["Aquagga","Coral Vita","Gigablue"],"portfolio_rounds_12m":4,"latest_activity":"2026-09-04"},{"name":"Spero Ventures","url":"https://alion.io/company/spero-ventures","type":"Venture capital","based_in":"United States","startups_here":3,"examples":["Euclid Power","Mast Reforestation","Clarity"],"portfolio_rounds_12m":3,"latest_activity":"2026-09-29"},{"name":"Fine Structure Ventures","url":"https://alion.io/company/finestructure-vc","type":"Venture capital","based_in":null,"startups_here":3,"examples":["Commonwealth Fusion Systems","Quaise Energy","Sepion Technologies, Inc."],"portfolio_rounds_12m":3,"latest_activity":"2026-09-02"},{"name":"Propagator Ventures","url":"https://alion.io/company/propagator-vc","type":"Venture capital","based_in":null,"startups_here":3,"examples":["Kebotix","Zapata Quantum","Metal Mark"],"portfolio_rounds_12m":2,"latest_activity":"2026-10-08"},{"name":"Streamlined Ventures","url":"https://alion.io/company/streamlined-ventures","type":"Venture capital","based_in":"United States","startups_here":3,"examples":["Blackrock Neurotech","Rigetti Computing","Panthalassa"],"portfolio_rounds_12m":1,"latest_activity":"2026-05-04"},{"name":"JLL Partners","url":"https://alion.io/company/jll-partners","type":"Private equity","based_in":"United States","startups_here":3,"examples":["Secretariat","Jonathan Engineered Solutions","CAI"],"portfolio_rounds_12m":0,"latest_activity":null}],"html_url":"https://alion.io/startup-investors/united-states/deeptech","json_url":"https://alion.io/startup-investors/united-states/deeptech.json","offers":[{"id":"company.list","title":"Companies by industry, country, size, technology and hiring","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per company in a list","note":"the whole list with a card per company","call":{"mcp_tool":"search_companies"},"human":"https://alion.io/catalog?offer=company.list&for=startup-investors%2Funited-states%2Fdeeptech"},{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"any company of the list in depth","call":{"mcp_tool":"get_company"},"human":"https://alion.io/catalog?offer=company.slices&for=startup-investors%2Funited-states%2Fdeeptech"}],"meta":{"source":"Alion (alion.io), CC BY-SA 4.0","updated_at":"2026-11-12T06:12:10+00:00","built_at":"2026-11-12T06:12:10+00:00","indexable":true,"generated_at":"2026-11-12T14:14:45+00:00","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json"}}