When was Cast21 founded?

Cast21 was founded in 2015 and raised its 1st funding round within a year of its incorporation.

Where is Cast21 located?

Cast21 is headquartered in Champaign, United States.

How many employees does Cast21 have?

As of Sep 30, 2026, the latest employee count at Cast21 is 12.

Is Cast21 a funded company?

Cast21 is a funded company, having raised a total of $4.11M across 6 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on 2015.

When was the latest funding round of Cast21?

Cast21's latest funding was a $***** Series A round on Mar 20, 2023, with participation from 0 investor.

Where does Cast21 rank among its competitors?

Cast21 ranks 12th amongst 261 active competitors, of which 39 are funded. It stands 4th in terms of total funding among its competitors. The most recent competitor to raise funding was Tynor, which secured $200M in Aug, 2026.

Who are the top competitors of Cast21?

Cast21's top competitors include Tynor, Breg and icarus. Among them, Tynor secured the most recent funding round in August, 2026.

Cast21 - 2026 Company Profile, Team, Funding & Competitors

Company Details

Provider of hollow water-proof exoskeleton casts. The patent-pending, light weighted cast sleeve is made out of silicone, designed to eliminate heat trap, sweat, and moisture which causes itchiness, skin breakdown, and even infections (caused by conventional exoskeleton casts). The sleeves are designed to be hollow and expose a large amount of skin.

Website: www.cast21.com/
Social
Email ID: *****@cast21.com

Key Metrics

Founded Year

2015

Location

Champaign, United States

Stage

Series A

Total Funding

$4.11M in 6 rounds

Latest Funding Round

Series A, Mar 20, 2023, $*****

Investors

Illinois Ventures & 5 more

Ranked

12^th among 261 active competitors

Employee Count

12 as on Sep 30, 2026

Similar Companies

Tynor & 312 more

View Cast21's full profile

Cast21 has raised a total funding of $4.11M over 6 rounds. Its first funding round was on 2015. Cast21 has 6 institutional investors.

Here is the list of recent funding rounds of Cast21:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Mar 20, 2023	1363989	Series A	4212479	2405390	1470640	7692279
Sep 08, 2022	7172128	Series A	1767770	8542090	7442254	1256200
Jan 12, 2017	1826010	Seed	9641064	8334756	5724521	MB Venture Partners & 3 more

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View details of Cast21's funding rounds and investors

The founders of Cast21 are Justin Brooks, Jason Troutner and Ashley Moy.

Here are the details of Cast21's key team members:

Justin Brooks: Co-Founder & COO of Cast21.
Jason Troutner: Co-Founder & CTO of Cast21.
Ashley Moy: Co-Founder & CEO of Cast21.
Contact Info: 1 email address

View details of Cast21's Founder profiles and Board Members

Cast21's employee count trend

Cast21 has 12 employees as of Sep 26. Here is Cast21's employee count trend over the years:

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Top competitors of Cast21 include Tynor, Breg and icarus. Here is the list of Top 10 competitors of Cast21, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Tynor 1993, Sahibzada Ajit Singh Nagar (India), Series C	Manufacturer of orthopedic supports and medical aids for physical recovery	$223M	Thuasne, Lighthouse & 5 others	68/100
2nd	Breg 1989, San Diego (United States), Acquired	They provide orthopedic products and support for joint rehabilitation	$2.11M	EW Healthcare Partners, Prettybrook Partners ... & 1 others	59/100
3rd	icarus 2019, Charlottesville (United States), Series A	Provider of knee brace technology	$7.2M	Lighthouse Labs, DCVC & 9 others	54/100
4th	Medi 1951, Germany, Unfunded	Manufacturer of medical devices, including compression products, braces, and orthotics	-	-	50/100
5th	Betterguards Technology 2014, Berlin (Germany), Series A	Product to secure joints and prevent injuries	-	SHS, Brandenburg Capital & 2 others	47/100
6th	Hyprevention 2010, Pessac (France), Series B	Developer of implantable orthopedic medical devices	$21.4M	Yellowstone Holding, Be Angels & 6 others	47/100
7th	NEBULA 1999, Rajkot (India), Unfunded	Leading manufacturer of high-quality orthopedic implants and instruments	-	-	43/100
8th	bredent group 2007, Senden (Germany), Funding Raised	Provider of implant devices and prosthetics for clinics and labs	-	BayBG	42/100
9th	Motorica 2015, Moscow (Russia), Public	Provider of 3D-printed prosthetics	$4.05M	Russian Direct Investment Fund, Far Eastern High Technology Fund ... & 1 others	42/100
10th	TracPatch 2015, El Dorado Hills (United States), Acquired	Connected patch for monitoring the recovery of joint injuries	-	Breakwater	40/100
12th	Cast21 2015, Champaign (United States), Series A	Provider of hollow water-proof exoskeleton casts	$4.11M	Illinois Ventures, MB Venture Partners & 4 others	44/100