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Monumental

Monumental

Private
AmsterdamFrontier & Industrial Techhttps://monumental.co

Last Round

Series B

Jul 15, 2026

Est. Valuation

$213M

Total Funding Raised

$57M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Monumental operates in Frontier & Industrial Tech and is based in Amsterdam. Its latest recorded funding round was a Series B round in July 2026.

Monumental is a robotics company that develops and deploys AI-powered autonomous robots for on-site construction, focusing on automating tasks like bricklaying.

Sector

Frontier & Industrial Tech

Verticals

Construction Tech, Industrial Robotics, Computer Vision

Business Model

B2B

Customer Profile

Usage-Based SaaS, Services & Consulting, Hardware + Subscription

AI Layer

Application

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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Monumental Comparables

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

Monumental comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
FBR Limited
77%
Buildroid AI
72%
All3
70%
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Monumental Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BJul 15, 2026
SeedFeb 15, 2024
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Key People

Founding team and executive leadership

Sebastiaan Visser

Founder CTO

Founding Team

Salar al Khafaji

Founder CEO

Founding Team

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Monumental Investors

Notable investors and investment history

Monumental investors
InvestorRounds
Khosla VenturesSeries B
NorthzoneSeed
Material VenturesSeed
PluralSeries B
FoundamentalSeed
PluralSeries B, Seed
NP-Hard VenturesSeed
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Market signals

Structured signals derived from secondary market and firmographic data.

  • Sep 1, 2026

    Grew 15% QoQ, from 98 to 113 employees.

  • Aug 21, 2026

    Monthly visitors grew 109% MoM, reaching 32K.

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Monumental Filings

Explore SEC and related filing metadata, where available.

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

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Frequently Asked Questions

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

Is Monumental a public or private company?

Monumental is a private company.

What is the current stock price of Monumental?

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

How much is Monumental worth (valuation)?

Monumental's valuation is estimated at $213.0M based on funding round data.

Can I buy Monumental stock?

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

When was Monumental's last funding round?

Monumental's most recent funding round was Series B on July 15, 2026.

Who are the main investors in Monumental?

Key investors in Monumental include Khosla Ventures, Plural, Hummingbird Ventures.

Will Monumental IPO soon?

No public IPO plans have been announced for Monumental.

How can I track Monumental secondary market activity?

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

Firmographic Details

HeadquartersAmsterdam
Employee Range90
Year Founded2021
Last FundingJul 15, 2026

Institutional Data Access

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