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
2,205
Jan 1 – Oct 23, 2026
Disclosed funding
$207.7B
1832 disclosed amounts
Median round
$24M
Of disclosed amounts
2,205 rounds
Funding rounds
CompanyAmountRoundSectorCountryInvestorsAnnounced
KastleAI · United StatesCompany profile

AI agents for banks and lenders that automate routine lending and loan-servicing work across existing systems.

AI agents for banks and lenders that automate routine lending and loan-servicing work across existing systems.

$24MSeries AAIUnited StatesInvestors
CrusoeAI · United StatesCompany profile

AI infrastructure combining GPU cloud services, managed AI tools, large-scale data centers and modular AI factories for model developers and enterprises.

AI infrastructure combining GPU cloud services, managed AI tools, large-scale data centers and modular AI factories for model developers and enterprises.

$3.9BSeries F (initial close; anticipated total)Series C+AIUnited StatesInvestors
MainstayProptech · United StatesCompany profile

An AI-powered real estate operations platform that gives residential property owners a unified record and automates ownership workflows.

An AI-powered real estate operations platform that gives residential property owners a unified record and automates ownership workflows.

>$18MFundingUndisclosedProptechUnited StatesInvestors
PolyphronBiotech · United StatesCompany profile

An AI-guided tissue-engineering platform that grows human micro-tissues and models their responses to support drug research and development.

An AI-guided tissue-engineering platform that grows human micro-tissues and models their responses to support drug research and development.

$20MSeedBiotechUnited StatesInvestors
R3 LithiumClimate tech · United StatesCompany profile

A battery-recycling and refining company that turns recovered battery materials into lithium carbonate for battery manufacturers.

A battery-recycling and refining company that turns recovered battery materials into lithium carbonate for battery manufacturers.

$15MSeries AClimate techUnited StatesInvestors
Biochar Industrial GroupClimate tech · United StatesCompany profile

Biochar Industrial Group partners with agricultural processors to install and operate pyrolysis equipment that converts their residues into biochar and verified carbon-credit revenue.

Biochar Industrial Group partners with agricultural processors to install and operate pyrolysis equipment that converts their residues into biochar and verified carbon-credit revenue.

$1.5MPre-seedClimate techUnited StatesInvestors
Mazama EnergyClimate tech · United StatesCompany profile

A geothermal developer building enhanced geothermal systems that create engineered reservoirs in very hot rock to deliver round-the-clock electricity.

A geothermal developer building enhanced geothermal systems that create engineered reservoirs in very hot rock to deliver round-the-clock electricity.

$135MSeries BClimate techUnited StatesInvestors
Impulse SpaceSpace tech · United StatesCompany profile

Builds highly maneuverable orbital transfer vehicles and kick stages for in-space mobility and satellite logistics

Builds highly maneuverable orbital transfer vehicles and kick stages for in-space mobility and satellite logistics

$308MSeries D extensionSeries C+Space techUnited StatesInvestors
Notes.fmMedia & gaming · United StatesCompany profile

A music distribution and rights-administration platform that helps artists release recordings and collect royalties across streaming and publishing channels.

A music distribution and rights-administration platform that helps artists release recordings and collect royalties across streaming and publishing channels.

$5MFundingUndisclosedMedia & gamingUnited StatesInvestors
PtEverywhereEnterprise software · United StatesCompany profile

PtEverywhere provides practice-management and payments software for physical therapy and rehabilitation clinics.

PtEverywhere provides practice-management and payments software for physical therapy and rehabilitation clinics.

UndisclosedPrivate equity investmentUndisclosedEnterprise softwareUnited StatesInvestors

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Ranked by rounds participated in · From Jan 1, 2026

  1. 1
    Y Combinator (YC)

    Tractian, Blacksmith, Greptile

    129rounds
    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

    59rounds
    0led
  5. 5
    Khosla Ventures

    Arda Industries, Tolan

    58rounds
    6led

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