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Sponge

Sponge

Private
San Francisco, CaliforniaFinTechhttps://paysponge.com

Last Round

Accelerator

Feb 23, 2026

Est. Valuation

$7.14M

Total Funding Raised

$500,000

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Sponge operates in FinTech and is based in San Francisco, California. Its latest recorded funding round was an Accelerator round in February 2026.

Sponge is a financial software company that operates a payments infrastructure platform tailored to the agent economy, enabling AI agents to hold and spend funds autonomously.

Sector

FinTech

Verticals

Digital Payments, Digital Wallets, Blockchain Infrastructure, API Management

Business Model

B2B

Customer Profile

Payment Processing Fee, Usage-Based SaaS

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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Sponge Comparables

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

Sponge comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Agentcard
87%
Nevermined
84%
Skyfire
84%
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Sponge Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
AcceleratorFeb 23, 2026
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Sponge Investors

Notable investors and investment history

Sponge investors
InvestorRounds
Y CombinatorAccelerator

Market signals

Structured signals derived from secondary market and firmographic data.

  • Feb 23, 2026

    $500K round led by Y Combinator.

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Sponge Filings

Explore SEC and related filing metadata, where available.

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

Filing documents are not displayed on this public page. Request access to learn about available coverage.

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Frequently Asked Questions

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

Is Sponge a public or private company?

Sponge is a private company.

What is the current stock price of Sponge?

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

How much is Sponge worth (valuation)?

Sponge's valuation is estimated at $7.1M based on funding round data.

Can I buy Sponge stock?

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

When was Sponge's last funding round?

Sponge's most recent funding round was Accelerator on February 23, 2026.

Who are the main investors in Sponge?

Key investors in Sponge include Y Combinator.

Will Sponge IPO soon?

No public IPO plans have been announced for Sponge.

How can I track Sponge secondary market activity?

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

Firmographic Details

HeadquartersSan Francisco, California
Employee Range4
Year Founded2026
Last FundingFeb 23, 2026

Institutional Data Access

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