When was Castor founded?

Castor was founded in 2012 and raised its 1st funding round 5 years after it was founded.

Where is Castor located?

Castor is headquartered in New York City, United States.

Who is the current CEO of Castor?

Derk Arts of Castor. They have also founded 1 company.

How many employees does Castor have?

As of Jul 31, 2026, the latest employee count at Castor is 309.

Is Castor a funded company?

Castor is a funded company, having raised a total of $65M across 4 funding rounds to date. The company's 1st funding round was a $***** Grant (prize money) round, raised on May 23, 2017.

When was the latest funding round of Castor?

Castor's latest funding was a $***** Series B round on Jul 14, 2021, with participation from 4 investors. Its primary sector is Life Sciences Tech. In United States, the Life Sciences Tech sector has seen $3.47B in funding in 2026 to date.

Where does Castor rank among its competitors?

Castor ranks 9th amongst 95 active competitors, of which 19 are funded. It stands 3rd in terms of total funding among its competitors. The most recent competitor to raise funding was Precision Digital Health, which secured $5.59M in Jul, 2026.

Who are the top competitors of Castor?

Castor's top competitors include Florence, Clinical Research IO and Cumulus Neuro. Among them, Precision Digital Health secured the most recent funding round in July, 2026.

Castor - 2026 Company Profile, Team, Funding & Competitors

Castor is a series B company based in New York City (United States), founded in 2012 by Derk Arts. It operates as an Electronic Data Capture (EDC), eCRF, ePRO application for online data collection for medical research. Castor has raised $65M in funding from investors like Two Sigma Ventures, Eight Roads Ventures and F-Prime Capital. The company has 95 active competitors, including 19 funded and 6 that have exited. Its top competitors include companies like Florence, Clinical Research IO and Cumulus Neuro.

Company Details

Castor is a web-based system that enables researchers to build electronic Case Report Forms (eCRFs) for safe and valid data collection for medical research. The company has developed a platform that assists with different clinical trial processes. It has features for electronic data capture, data management, and more.

Website: castoredc.com
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Key Metrics

Founded Year

2012

Location

New York City, United States

Stage

Series B

Total Funding

$65M in 4 rounds

Latest Funding Round

Series B, Jul 14, 2021, $*****

Investors

Two Sigma Ventures & 6 more

Ranked

9^th among 95 active competitors

Employee Count

309 as on Jul 31, 2026

Similar Companies

Florence & 126 more

View Castor's full profile

Castor has raised a total funding of $65M over 4 rounds. Its first funding round was on May 23, 2017. Its latest funding round was a Series B round on Jul 14, 2021 for $*****. 4 investors participated in its latest round. Castor has 7 institutional investors.

Here is the list of recent funding rounds of Castor:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jul 14, 2021	1922800	Series B	3698701	9822382	3894930	7476141
Aug 19, 2020	1077742	Series A	7125214	3892340	6495741	Inkef
Jun 29, 2018	2355152	Series A	8224929	4844654	Inkef	5635878

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View details of Castor's funding rounds and investors

The founders of Castor is Derk Arts. Derk Arts is the CEO of Castor.

Here are the details of Castor's key team members:

Derk Arts: Founder & CEO of Castor and founder of 1 other company.
Contact Info: 1 email address

View details of Castor's Founder profiles and Board Members

Castor's employee count trend

Castor has 309 employees as of Jul 26. Here is Castor's employee count trend over the years:

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Top competitors of Castor include Florence, Clinical Research IO and Cumulus Neuro. Here is the list of Top 10 competitors of Castor, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Florence 2014, Atlanta (United States), Series C	Provider of remote monitoring management for clinical trials	$116M	Insight Partners, Bee Partners & 7 others	73/100
2nd	Clinical Research IO 2015, Boston (United States), Series B	Provider of a clinical trial management software for researcher	$16.7M	Rally Ventures, Riverside & 8 others	61/100
3rd	Cumulus Neuro 2015, Belfast (United Kingdom), Series A	AI and cloud-based brain physiology analysis tool for clinical trials	$19.6M	Par Equity, Innovate UK & 29 others	57/100
4th	L7 Informatics 2012, Austin (United States), Series C	Provider of a clinical trail workflow management software for laboratories	$55M	Banneker Partners, Phoenix Venture Partners	56/100
5th	Mednet 2012, Minnetonka (United States), Acquired	Cloud-based platform provider for e-clinics and electronic data	$20.5M	Arrowroot Capital Management, Cohesive Capital	55/100
6th	Sonrai Analytics 2018, Belfast (United Kingdom), Seed	Developer of software for data analytics and ingishts	$3.56M	Forward Partners, Techstart Ventures & 25 others	52/100
7th	Precision Digital Health 2015, Irvine (United States), Series A	Digital health solutions for complex clinical trials and real-world data	$5.59M	Boston Millennia Partners, PavLyfe	50/100
8th	Curebase 2017, San Francisco (United States), Unfunded	Provider of patient enrollment and engagement platform for decentralized clinical research	-	-	45/100
9th	Castor 2012, New York City (United States), Series B	Electronic Data Capture (EDC), eCRF, ePRO application for online data collection for medical research	$65M	F-Prime Capital, Two Sigma Ventures & 5 others	45/100
10th	MDClone 2016, Be er Sheva (Israel), Series C	Provider of software that creates synthetic medical records for fictitious patients	$104M	Lightspeed Venture Partners, Orbimed & 3 others	45/100