Latest United States Startup Funding Rounds

Startup funding in United States: recent rounds, the companies behind them and their participating investors.

This page showsCountry: United States
Rounds
2,220
Jan 1 – Oct 25, 2026
Disclosed funding
$248.4B
1843 disclosed amounts
Median round
$24M
Of disclosed amounts
2,220 rounds
Funding rounds
CompanyAmountRoundSectorCountryInvestorsAnnounced
Valar AtomicsClimate tech · United StatesCompany profile

Valar Atomics develops modular nuclear reactors and energy campuses for industrial heat and electricity.

Valar Atomics develops modular nuclear reactors and energy campuses for industrial heat and electricity.

$1BSeries BClimate techUnited StatesInvestors
Andromeda SurgicalRobotics · United StatesCompany profile

Andromeda Surgical develops autonomous surgical robots combining anatomical mapping and surgeon oversight, initially for prostate enucleation.

Andromeda Surgical develops autonomous surgical robots combining anatomical mapping and surgeon oversight, initially for prostate enucleation.

$15MSeries ARoboticsUnited StatesInvestors
Horizon3Cybersecurity · United StatesCompany profile

Runs autonomous AI-driven penetration testing to secure enterprise networks

Runs autonomous AI-driven penetration testing to secure enterprise networks

$250MSeries ESeries C+CybersecurityUnited StatesInvestors
Mariana MineralsIndustrial tech · United StatesCompany profile

Builds and operates AI-driven mines and refineries for critical minerals

Builds and operates AI-driven mines and refineries for critical minerals

$310MSeries BIndustrial techUnited StatesInvestors
Orbital SentrySpace tech · United StatesCompany profile

Builds persistent infrared imaging satellites for wildfire detection and defense

Builds persistent infrared imaging satellites for wildfire detection and defense

UndisclosedPre-SeedPre-seedSpace techUnited StatesInvestors
ZenityCybersecurity · United StatesCompany profile

AI security and governance platform purpose-built for enterprise AI agents

AI security and governance platform purpose-built for enterprise AI agents

$125MSeries CSeries C+CybersecurityUnited StatesInvestors
InocrasBiotech · United StatesCompany profile

Whole-genome sequencing and bioinformatics platform for precision oncology

Whole-genome sequencing and bioinformatics platform for precision oncology

$31MSeries BBiotechUnited StatesInvestors
Dash BioBiotech · United StatesCompany profile

Dash Bio provides automated bioanalysis for preclinical and clinical drug testing.

Dash Bio provides automated bioanalysis for preclinical and clinical drug testing.

$30MSeries ABiotechUnited StatesInvestors
Actualyze AIAI · United StatesCompany profile

An enterprise gateway for AI-model access, request security, budgets and routing.

An enterprise gateway for AI-model access, request security, budgets and routing.

$7MSeedAIUnited StatesInvestors
STELLA Automotive AIEcommerce · United StatesCompany profile

AI-powered customer engagement platform automating calls and scheduling for auto dealers

AI-powered customer engagement platform automating calls and scheduling for auto dealers

$22.1MSeries BEcommerceUnited StatesInvestors

Active investors in this selection

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Ranked by rounds participated in · From Jan 1, 2026

  1. 1
    Y Combinator (YC)

    BioStack, Tractian, Blacksmith

    132rounds
    3led
  2. 2
    Andreessen Horowitz (a16z)

    ASI, Eka Robotics, Town

    98rounds
    19led
  3. 3
    General Catalyst

    Tractian, Different, Baba

    69rounds
    7led
  4. 4
    Alumni Ventures

    Maxinsights, Daytona, Chariot Claims

    60rounds
    0led
  5. 5
    Khosla Ventures

    Arda Industries, Tolan

    58rounds
    6led

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