All Rankings

Top Seed-Stage Companies in the US 2026

Private companies headquartered in the United States whose latest recorded round was seed or pre-seed, ranked by disclosed lifetime funding.

Known total funding for 100 of 100 ranked companies: $13.6B.

Showing top 100 matching companies · Ranked by total funding raised

Use company data through the API.
Example request
curl "https://indexed.vc/api/v1/companies?countries=United+States&operatingStatus=active&sort=total_funding_raised&order=desc&limit=100" -H "X-API-Key: YOUR_API_KEY"

The API has no funding stage filter, so this includes every stage, not only Seed or Pre-Seed.

The API has no company type filter, so public companies can appear; this list counts private companies only.

The API cannot leave out companies whose latest round is a grant; this list does.

Data from Indexed.vcUpdated

Methodology: up to 100 active companies matching this list's filters are ordered by disclosed total funding in USD. Companies whose latest round is one of: Grant are excluded. Totals include recorded grants and other qualifying funding, not just equity. Open a company profile for its funding summary and available detail. How this data is built.

51
Mantle

Mantle’s TrueShape™ technology prints, shapes, and sinters precision metal parts from a CAD file ...

San Francisco, United States11–50Energy
SeedTotal funding$63.0MJun 2026
52
Flexspace AI

AI-powered ecommerce revenue platform for coworking operators; pricing optimization and booking m...

United States1–10Artificial Intelligence, SaaS
SeedTotal funding$61.0MMay 2022
53
Burnt

Burnt verifies user data at its source, providing businesses with privacy-preserving proofs for m...

New York, United States11–50Crypto & Web3, Developer Tools
SeedTotal funding$60.8MSep 2025
54
Adiso

Adiso develops medicines for inflammatory diseases through multi-modal agents with novel mechanis...

United States1–10Biotech, Healthcare
SeedTotal funding$60.0MMar 2022
55
Avilar Therapeutics

Avilar Therapeutics develops extracellular protein degraders through a bespoke, integrated drug d...

Waltham, United States11–50Biotech, Drug Discovery
SeedTotal funding$60.0MFeb 2023
56
Bluecore Energy

Democratizing clean energy by scaling nuclear reactor technology onto floating power plants that ...

Long Beach, United States11–50Climate Tech
SeedTotal funding$60.0MSep 2026
57
Entire

Developer tools infrastructure platform for building and deploying applications.

San Francisco, United States11–50Developer Tools, Infrastructure
SeedTotal funding$60.0MApr 2026
58
BriqScore

Predict Oil & Gas Production Activity Using AI and Satellites.

San Francisco, United States1–10Artificial Intelligence, Data & Analytics
SeedTotal funding$59.0MMay 2026
59
Terradot

Terradot advances enhanced rock weathering through science, technology, and coalition-building to...

San Francisco, United States11–50Agtech, Climate Tech
SeedTotal funding$58.2MDec 2024
60
Genesis Bank

A bank that offers straightforward accounts, a truly personalized lending approach, a live person...

Benoit, United States11–50Banking, Financial Services
SeedTotal funding$57.0MJul 2021
61
Radical AI

AI-driven materials R&D company screening billions of material compositions to predict structures...

New York, United States11–50Advanced Materials, Artificial Intelligence
SeedTotal funding$56.2MJul 2025
62
/dev/agents

Building a next‑generation operating system for AI agents, enabling developers to build agentic a...

San Francisco, United States1–10Artificial Intelligence, Developer Tools
SeedTotal funding$56.0MNov 2024
63
Elorian

Elorian builds AI systems that reason through the visual medium the way humans do, enabling model...

Palo Alto, United States1–10Artificial Intelligence, Computer Vision
SeedTotal funding$55.0MApr 2026
64
Encina

Circular chemical company that converts waste plastics into certified, virgin-equivalent feedstoc...

Woodlands, United States11–50Advanced Materials, Clean Tech
SeedTotal funding$55.0MMar 2022
65
Hypha

AI-native asset intelligence platform unifying fragmented workflows for asset managers, underwrit...

New York, United States1–10Financial Services, Artificial Intelligence
SeedTotal funding$55.0MJun 2026
66
Replay

AI-native QA platform that tests web apps and GitHub repos, records every session, finds real bug...

San Francisco, United States11–50Infrastructure, Developer Tools
SeedTotal funding$55.0MJul 2022
67
Succinct

Cryptographic infrastructure company building zero-knowledge proof systems including SP1 zkVM and...

San Francisco, United States11–50Crypto & Web3, Cybersecurity
SeedTotal funding$55.0MMar 2024
68
Renasant Bio

Renasant Bio develops small molecule correctors and potentiators that restore polycystin function...

Berkeley, United States11–50Biotech, Healthcare
SeedTotal funding$54.5MJul 2025
69
Roadrunner

AI-native revenue infrastructure platform for B2B sales.

San Francisco, United States1–10Artificial Intelligence
SeedTotal funding$54.2MMay 2026
70
Chemistry

Chemistry backs early-stage founders who combine technical expertise with commercial instincts, p...

San Francisco, United States1–10SaaS, Financial Services
SeedTotal funding$53.0MApr 2026
71
Prime Financial Technologies

A next-gen platform to unlock scalable SMB lending for community banks.

New York, United States11–50Fintech, Lending
SeedTotal funding$53.0MJan 2022
72
Exponent

Financial operating system for franchise operators.

New York, United States11–50Fintech
SeedTotal funding$52.5MMay 2026
73
Arbiter

Arbiter provides healthcare organizations with AI care orchestration that engages members through...

New York, United States11–50Healthcare, Artificial Intelligence
SeedTotal funding$52.0MNov 2025
74
Fish Audio

Fish Audio provides text-to-speech, voice cloning, and speech-to-text tools for creating studio-q...

Mountain View, United States11–50Artificial Intelligence, Developer Tools
SeedTotal funding$52.0MJul 2026
75
Minimus

Minimus provided free, secure, minimal container images with near-zero vulnerabilities and compli...

United States51–200Cloud, Cybersecurity
SeedTotal funding$51.0MApr 2025