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
310
Sep 10 – Oct 9, 2026
Disclosed funding
$27.5B
241 disclosed amounts
Median round
$22M
Of disclosed amounts
310 rounds
Funding rounds
CompanyAmountRoundSectorCountryInvestorsAnnounced
Branch EnergyClimate tech · United StatesCompany profile

Distributed-energy software and battery systems that help commercial buildings lower electricity costs and maintain power during outages.

Distributed-energy software and battery systems that help commercial buildings lower electricity costs and maintain power during outages.

$33MSeries BClimate techUnited StatesInvestors
Eve SecurityCybersecurity · United StatesCompany profile

Eve Security provides runtime governance for enterprise AI agents: it discovers agents and their connections, then evaluates each action against organizational policies and allows, blocks, modifies or interrogates it before it reaches sensitive systems. Its EveGuard platform is in market with enterprise customers.

Eve Security provides runtime governance for enterprise AI agents: it discovers agents and their connections, then evaluates each action against organizational policies and allows, blocks, modifies or interrogates it before it reaches sensitive systems. Its EveGuard platform is in market with enterprise customers.

$4.5MSeed extensionSeedCybersecurityUnited StatesInvestors
FactoryDeveloper tools · United StatesCompany profile

Develops an autonomous software-development platform for enterprise engineering teams.

Develops an autonomous software-development platform for enterprise engineering teams.

$200MFundingUndisclosedDeveloper toolsUnited StatesInvestors
Radian ForgeDefense tech · United StatesCompany profile

Radian Forge manufactures large, precision metal components for naval, maritime and defense customers using robotic wire-arc additive manufacturing. Its systems deposit metal layer by layer and monitor production for traceability, enabling mission-critical parts to be made faster and closer to shipyards, depots and deployed operations than conventional casting and forging supply chains.

Radian Forge manufactures large, precision metal components for naval, maritime and defense customers using robotic wire-arc additive manufacturing. Its systems deposit metal layer by layer and monitor production for traceability, enabling mission-critical parts to be made faster and closer to shipyards, depots and deployed operations than conventional casting and forging supply chains.

$2.5MSeries Seed PreferredSeedDefense techUnited StatesInvestors
Delos DataAI · United StatesCompany profile

Delos Data builds an AI inference infrastructure platform spanning cluster software, server systems and data-interface silicon. It connects heterogeneous GPUs, accelerators, memory and storage into a resilient data domain so operators can scale inference workloads with lower latency and avoid interruptions when components or links fail.

Delos Data builds an AI inference infrastructure platform spanning cluster software, server systems and data-interface silicon. It connects heterogeneous GPUs, accelerators, memory and storage into a resilient data domain so operators can scale inference workloads with lower latency and avoid interruptions when components or links fail.

>$100MFundingUndisclosedAIUnited StatesInvestors
RegCell, Inc.Biotech · United StatesCompany profile

RegCell is developing cell therapies for autoimmune disease by epigenetically reprogramming pathogenic conventional T cells into stable regulatory T cells, aiming to restore immune tolerance without gene engineering; its platform is advancing toward clinical development.

RegCell is developing cell therapies for autoimmune disease by epigenetically reprogramming pathogenic conventional T cells into stable regulatory T cells, aiming to restore immune tolerance without gene engineering; its platform is advancing toward clinical development.

$44MSeries ABiotechUnited StatesInvestors
Retham Technologies, Inc.Healthtech · United StatesCompany profile

Retham is developing HITDx, a functional hospital-lab assay for heparin-induced thrombocytopenia that uses stable cryopreserved donor platelets to make clinically relevant platelet testing more practical; the diagnostic is in validation and regulatory development, while its cryopreserved platelets are available for research use.

Retham is developing HITDx, a functional hospital-lab assay for heparin-induced thrombocytopenia that uses stable cryopreserved donor platelets to make clinically relevant platelet testing more practical; the diagnostic is in validation and regulatory development, while its cryopreserved platelets are available for research use.

$1.5MSeedHealthtechUnited StatesInvestors
38 Degrees NorthClimate tech · United StatesCompany profile

A developer, owner and financing partner for community solar, battery storage and distributed renewable-energy projects.

A developer, owner and financing partner for community solar, battery storage and distributed renewable-energy projects.

$260MCredit facilityUndisclosedClimate techUnited StatesInvestors
Liquid ComputeAI · United StatesCompany profile

Liquid Compute is building a market for GPU capacity that connects AI compute buyers, data centers, neoclouds and traders through a physical order book, standardized verification, clearing and settlement; it is onboarding participants while its planned derivatives exchange remains pending CFTC designation and registration.

Liquid Compute is building a market for GPU capacity that connects AI compute buyers, data centers, neoclouds and traders through a physical order book, standardized verification, clearing and settlement; it is onboarding participants while its planned derivatives exchange remains pending CFTC designation and registration.

$15MSeedAIUnited StatesInvestors
ReEmerge, Inc.Healthtech · United StatesCompany profile

ReEmerge is developing Cognitive Network Restoration Therapy (CNRT) for people with chronic cognitive impairment after brain injury. The treatment targets underactive but viable neural circuits in the central thalamus to restore function across disrupted brain networks; the company is advancing this restorative approach through clinical development.

ReEmerge is developing Cognitive Network Restoration Therapy (CNRT) for people with chronic cognitive impairment after brain injury. The treatment targets underactive but viable neural circuits in the central thalamus to restore function across disrupted brain networks; the company is advancing this restorative approach through clinical development.

$37MSeries AHealthtechUnited StatesInvestors

Active investors in this selection

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Ranked by rounds participated in · From Sep 10, 2026

  1. 1
    Andreessen Horowitz (a16z)

    TypeSafe AI, Arena, Vesta

    25rounds
    12led
  2. 2
    Y Combinator (YC)

    Nous Research, Santé, Vitalize

    18rounds
    0led
  3. 3
    Khosla Ventures

    Arena, Vinci, Conway Research

    14rounds
    3led
  4. 4
    Sequoia Capital

    TypeSafe AI, Mecka, Healthleap

    12rounds
    4led
  5. 5
    Insight Partners

    Stuut, Hestus, Inc., Quartermaster

    12rounds
    9led

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