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Rain AI

Rain AI

Private
San Mateo, CaliforniaAI, Data & Cloud Infrastructurehttps://rain.ai

Last Round

Series B

May 1, 2025

Est. Valuation

$600M

Total Funding Raised

$38.22M

Company Overview

Rain AI operates in AI, Data & Cloud Infrastructure and is based in San Mateo, California. Its latest recorded funding round was a Series A Extension round in May 2024.

Rain AI is a semiconductor company that develops energy-efficient, brain-inspired neuromorphic hardware for artificial intelligence applications.

Sector

AI, Data & Cloud Infrastructure

Verticals

Semiconductors, Computing Hardware, AI Training Infrastructure

Business Model

B2B

Customer Profile

Hardware Sales, Subscription SaaS, Services & Consulting, Government Contracts

AI Layer

Infrastructure

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

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Rain AI Comparables

Compare Rain AI with similar companies based on industry and business-model similarity.

Rain AI comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
MatX
84%
Sagence AI
84%
d-Matrix
82%
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Rain AI Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BMay 1, 2025
Series A ExtensionMay 26, 2024
Series AFeb 3, 2022
AcceleratorAug 1, 2018
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Rain AI Investors

Notable investors and investment history

Rain AI investors
InvestorRounds
Loup FundsSeries A
DeepwaterSeed
Metaplanet HoldingsSeries A
Epic Venture PartnersSeries A Extension
GaingelsSeries A, Seed
Airbus VenturesSeed, Series A
Buckley VenturesSeries A
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Recent news

Latest coverage and updates

  • launchesAug 17, 2026

    Rain, Meta, Nigeria's Federal Ministry of Communications, Innovation and Digital Economy, and 3MTT launch AI Academy Nigeria in Nigeria on Aug 17th '26, offering free generative AI training, funding, and mentorship to build local AI talent.

  • partners_withAug 17, 2026

    Rain and FMCIDE partner with Meta and 3MTT to deliver an initiative that builds Nigeria’s technical talent and practical AI skills.

  • partners_withAug 17, 2026

    Rain and 3 Million Technical Talent partner to deliver an initiative that builds Nigeria’s AI capacity through practical skills, entrepreneurship and digital-economy opportunities.

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Rain AI Filings

Explore SEC and related filing metadata, where available.

Rain AI filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about Rain AI's valuation, stock price, and market status.

Is Rain AI a public or private company?

Rain AI is a private company.

What is the current stock price of Rain AI?

Rain AI is a private company, so its shares have no public market price. Caplight tracks Rain AI's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Rain AI worth (valuation)?

Rain AI's valuation is estimated at $600.0M based on funding round data.

Can I buy Rain AI stock?

Rain AI shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Rain AI's last funding round?

Rain AI's most recent funding round was Series B on May 1, 2025.

Who are the main investors in Rain AI?

Key investors in Rain AI include Aramco Ventures, Y Combinator.

Will Rain AI IPO soon?

No public IPO plans have been announced for Rain AI.

How can I track Rain AI secondary market activity?

Caplight tracks bids, offers, and trades in Rain AI's shares on secondary markets.

Firmographic Details

HeadquartersSan Mateo, California
Employee Range17
Year Founded2017
Last FundingMay 1, 2025

Institutional Data Access

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