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Siena AI

Siena AI

Private
New York City, New YorkEnterprise Softwarehttps://siena.cx

Last Round

Series A

Oct 6, 2026

Total Funding Raised

$21.7M

Momentum

Top 1%

of companies Caplight tracks

Company Overview

Siena AI is a business software company that provides an autonomous customer experience platform designed for the e-commerce industry.

Sector

Enterprise Software

Verticals

Customer Experience, E-commerce, NLP & Conversational AI, D2C Brands, Workflow Automation

Business Model

B2B

Customer Profile

Usage-Based SaaS, Subscription SaaS

AI Layer

Application

Keywords

AI customer serviceautonomous AI agentsAI support automationconversational commerceAI agentcustomer experience platformDTC e-commerceAI customer supporthelpdesk integrationAI agent securityusage-based pricingworkflow automationAI chatbotSaaS platformcustomer insights

Historical Pricing

Historical view of private secondary pricing and transaction trends.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Siena AI Comparables

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

Siena AI comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Alhena AI
87%
Yuma AI
87%
Kodif
86%

Siena AI Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AOct 6, 2026
SeedNov 16, 2023

Key People

Founding team and executive leadership

Negrau Andrei

ceo , founder

Founding Team

Siena AI Investors

Notable investors and investment history

Siena AI investors
InvestorRounds
Sierra VenturesSeries A, Seed
Aglaé VenturesSeries A
GapMinder Venture PartnersSeed
The CouncilSeed
Village GlobalSeed
Joyance VenturesSeries A
Village GlobalSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Oct 6, 2026

    $17M round led by York IE.

  • Jun 10, 2026

    Grüns disclosed as a new customer.

Recent news

Latest coverage and updates

  • receives_financingOct 7, 2026

    On Oct 6th '26 in New York, Siena Labs Inc. announced the close of a $17M Series A led by York IE, with participation from Joyance Ventures, Aglaé Ventures, and Sierra Ventures, to expand its Agent of Record infrastructure and build more autonomous agents.

Siena AI Filings

Explore SEC and related filing metadata, where available.

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

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Frequently Asked Questions

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

Is Siena AI a public or private company?

Siena AI is a private company.

What is the current stock price of Siena AI?

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

How much is Siena AI worth (valuation)?

Valuation information for Siena AI is not publicly available.

Can I buy Siena AI stock?

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

When was Siena AI's last funding round?

Siena AI's most recent funding round was Series A on October 6, 2026.

Who are the main investors in Siena AI?

Key investors in Siena AI include Sierra Ventures, York IE.

Will Siena AI IPO soon?

No public IPO plans have been announced for Siena AI.

How can I track Siena AI secondary market activity?

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

Firmographic Details

HeadquartersNew York City, New York
Employee Range54
Year Founded2023
Last FundingOct 6, 2026

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