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Deep tech startups in the United States that raised money in the last 12 months

45 deep tech startups based in the United States announced or filed 50 venture rounds in the last 12 months, $3.1B of it stated. 14 of the rounds came in the last 90 days. The largest: Oratomic (Venture round · $475M), Core Automation (Venture round · $432.1M) and Antares Nuclear (Venture round · $320M). 19 of these startups are hiring now, with 365 open roles.

Venture rounds of the last 12 monthsRebuilt 7 Nov 2026
rounds in 12 months
50
startups
45
stated
$3.1B
open roles at them
365

The newest rounds

StartupRoundDateOpen roles
OratomicVenture round · $475M8 Oct 202618
Type One EnergyVenture round · $200M6 Oct 202635
CScaleSeries C · $145M30 Sep 2026–
Kairos PowerVenture round · $100M21 Sep 202662
RainmakerSeries B · $100M20 Sep 202617
Nix BiosensorsSeries A · $10M18 Sep 2026–
EigenQVenture round · $22.2MSEC Form D17 Sep 2026–
CorePower MagneticsVenture round · $10.6M17 Sep 2026–
SirenOptVenture round · $19.4MSEC Form D10 Sep 202613
Bluecore EnergySeed · $50M8 Sep 20265
Molten Salt SolutionsVenture round · $7M31 Aug 2026–
CivilGridSeries A · $26M26 Aug 20268
Bluecore EnergyVenture round · $19.4MSEC Form D20 Aug 20265
Discovered MaterialsLightspeed Venture PartnersSeed · $9M10 Aug 20262
Limber ProstheticsVenture round · $135kSEC Form D7 Aug 2026–
Antares NuclearVenture round · $60MSEC Form D3 Aug 202682
AllocortechVenture round · $6.7MSEC Form D23 Jul 2026–
Core AutomationVenture round · $432.1MSEC Form D15 Jul 2026–
KaneyVenture round · $2.9M14 Jul 2026–
EnergyXVenture round · $225M10 Jul 2026–
OratomicARCH Venture Partners, Spark CapitalVenture round · $300M10 Jul 202618
Antares NuclearVenture round · $320MSEC Form D8 Jul 202682
Quaise EnergySeries B · $134M7 Jul 20266
Ranger AIVenture round · $1MSEC Form D6 Jul 2026–
QolabSeries B · $54.2M1 Jul 2026–
IngantecVenture round · $228kSEC Form D30 Jun 2026–
ArcturusSeed · $8M30 Jun 20268
Endurance EnergyVenture round · $54M11 Jun 202620
QneticVenture round · $55kSEC Form D10 Jun 2026–
Terra AIKhosla VenturesSeries A · $20M3 Jun 20267
Egg MedicalVenture round · $9.5MSEC Form D3 Jun 2026–
CREW CarbonSeries A · $25M20 May 20263
Proper VoltageVenture round · $6.5MSEC Form D12 May 202610
PanthalassaPeter ThielSeries B · $140M4 May 202652
Hoonify TechnologiesVenture round · $6MSEC Form D30 Apr 2026–
Phoam LabsVenture round · $1.2MSEC Form D10 Apr 2026–
KalogonVenture round · $5.7MSEC Form D10 Apr 20262
memQVenture round · $10M31 Mar 2026–
AionicsVenture round · $502kSEC Form D31 Mar 2026–
Ranger AIVenture round · $6MSEC Form D18 Mar 2026–
Bluecore EnergyPre-seed · $9.3MSEC Form D19 Feb 20265
MacroCycle TechnologiesVenture round · $3MSEC Form D18 Feb 2026–
Salus ScientificVenture round · $10.1MSEC Form D22 Jan 2026–
Equal1Ireland Strategic Investment FundVenture round · $60M15 Jan 202611
HaiquSeed · $11M13 Jan 2026–
Alpha NurVenture round · $180kSEC Form D31 Dec 2025–
Mesa QuantumVenture round · $11.2MSEC Form D22 Dec 20254
BNNT MaterialsConvertible note · $1.3MSEC Form D17 Dec 2025–
QSimulateSeed20 Nov 2025–
EnaChipVenture round · $3.5MSEC Form D14 Nov 2025–

The largest rounds

StartupRoundDateOpen roles
OratomicVenture round · $475M8 Oct 202618
Core AutomationVenture round · $432.1MSEC Form D15 Jul 2026–
Antares NuclearVenture round · $320MSEC Form D8 Jul 202682
OratomicARCH Venture Partners, Spark CapitalVenture round · $300M10 Jul 202618
EnergyXVenture round · $225M10 Jul 2026–
Type One EnergyVenture round · $200M6 Oct 202635
CScaleSeries C · $145M30 Sep 2026–
PanthalassaPeter ThielSeries B · $140M4 May 202652
Quaise EnergySeries B · $134M7 Jul 20266
Kairos PowerVenture round · $100M21 Sep 202662

New rounds, the day they land

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Questions

Which deep tech startups in the United States raised money recently?

45 deep tech startups based in the United States announced or filed 50 venture rounds in the last 12 months, $3.1B of it stated. 14 of the rounds came in the last 90 days. The largest: Oratomic (Venture round · $475M), Core Automation (Venture round · $432.1M) and Antares Nuclear (Venture round · $320M). 19 of these startups are hiring now, with 365 open roles.

Where do these rounds come from?

From the startups' own announcements and the press, from SEC Form D filings in the United States and from the share allotments company registers publish (a filing is marked as one in the list). One round per startup, type and week; amounts as stated, in US dollars.

Are these startups hiring?

19 of the 45 startups have open roles on their own careers boards right now, 365 roles in all; each count links to them.

Source: announcements, SEC Form D filings and company registers, 6,276 rounds in 12 monthsUpdated 7 Nov 2026MethodologyJSONCC BY-SA 4.0