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Castor

Castor

Private
AmsterdamHealthcare & Life Scienceshttps://castoredc.com

Last Round

Series B

Jul 14, 2021

Est. Valuation

$250M

Total Funding Raised

$64.48M

Company Overview

Castor operates in Healthcare & Life Sciences and is based in Amsterdam. Its latest recorded funding round was a Series B round in July 2021.

Castor is a health-tech company that provides a cloud-based clinical data platform to simplify the clinical trial process for researchers worldwide.

Sector

Healthcare & Life Sciences

Verticals

Clinical Trials, Vertical SaaS, Patient Engagement

Business Model

B2B

Customer Profile

Subscription SaaS, Services & Consulting

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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Castor Comparables

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

Castor comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Medrio
90%
Viedoc
90%
nPhase, Inc.
86%
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Castor Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BJul 14, 2021
Series AAug 19, 2020
SeedJul 2, 2018
GrantMay 23, 2017
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Key People

Founding team and executive leadership

Derk Arts

Founder & CEO

Founding Team

Solange M.

Manager Of CEO Operations

Executive Team

Andrew Sadler

Chief Technology Officer

Executive Team

Tobias Schaefer

Chief Financial Officer

Executive Team

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Castor Investors

Notable investors and investment history

Castor investors
InvestorRounds
European CommissionGrant
F-Prime CapitalSeries B
Eight Roads VenturesSeries B
Two Sigma VenturesSeries B, Series A
F-Prime CapitalSeries B
Inkef CapitalSeries A, Series B, Seed
WR Hambrecht + CoSeries A
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Market signals

Structured signals derived from secondary market and firmographic data.

  • Mar 1, 2026

    Partnering with Stefanini for phone support and device provisioning.

  • Jan 21, 2026

    Job posting reveals tooling support partnership with Zendesk.

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Castor Filings

Explore SEC and related filing metadata, where available.

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

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Frequently Asked Questions

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

Is Castor a public or private company?

Castor is a private company.

What is the current stock price of Castor?

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

How much is Castor worth (valuation)?

Castor's valuation is estimated at $250.0M based on funding round data.

Can I buy Castor stock?

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

When was Castor's last funding round?

Castor's most recent funding round was Series B on July 14, 2021.

Who are the main investors in Castor?

Key investors in Castor include F-Prime Capital, Eight Roads Ventures, Two Sigma Ventures, F-Prime Capital, Inkef Capital.

Will Castor IPO soon?

No public IPO plans have been announced for Castor.

How can I track Castor secondary market activity?

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

Firmographic Details

HeadquartersAmsterdam
Employee Range310
Year Founded2012
Last FundingJul 14, 2021

Institutional Data Access

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