When was Rhaeos founded?

Rhaeos was founded in 2018 and raised its 1st funding round 2 years after it was founded.

Where is Rhaeos located?

Rhaeos is headquartered in Evanston, United States.

How many employees does Rhaeos have?

As of Aug 31, 2026, the latest employee count at Rhaeos is 15.

Is Rhaeos a funded company?

Rhaeos is a funded company, having raised a total of $12.8M across 15 funding rounds to date. The company's 1st funding round was a $***** Grant (prize money) round, raised on Jan 01, 2020.

When was the latest funding round of Rhaeos?

Rhaeos' latest funding was a $***** Grant (prize money) round on Nov 20, 2025, with participation from 1 investor. Its primary sector is Disease Self Management. In United States, the Disease Self Management sector has seen $1.06B in funding in 2026 to date.

Where does Rhaeos rank among its competitors?

Rhaeos ranks 28th amongst 673 active competitors, of which 88 are funded. It stands 8th in terms of total funding among its competitors. The most recent competitor to raise funding was Cala Health, which secured $50M in Apr, 2026.

Who are the top competitors of Rhaeos?

Rhaeos' top competitors include Ceribell, Cala Health and Kernel. Among them, Cala Health secured the most recent funding round in April, 2026.

Rhaeos - 2026 Company Profile, Team, Funding & Competitors

Company Details

Developer of a noninvasive device to monitor CSF and manage hydrocephalus. It offers a wireless non-invasive thermal flow sensor that is placed over the neck to monitor the ventricular shunt function and detect or measure CSF. Its data is transferred to an app to manage hydrocephalus.

Website: www.rhaeos.com/
Social

Key Metrics

Founded Year

2018

Location

Evanston, United States

Stage

Series A

Total Funding

$12.8M in 15 rounds

Latest Funding Round

Grant (prize money), Nov 20, 2025, $*****

Investors

Gener8tor & 16 more

Ranked

28^th among 673 active competitors

Employee Count

15 as on Aug 31, 2026

Similar Companies

Ceribell & 744 more

View Rhaeos' full profile

Rhaeos is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Rhaeos, Inc. CIN: 830709564 , United States, Active	Dec 31, 1999	-	17 (As on Dec 31, 2024)	-

Rhaeos has raised a total funding of $12.8M over 15 rounds. Its first funding round was on Jan 01, 2020. Its latest funding round was a Grant (prize money) round on Nov 20, 2025 for $*****. 1 investor participated in its latest round. Rhaeos has 17 institutional investors.

Here is the list of recent funding rounds of Rhaeos:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Nov 20, 2025	2198883	Grant (prize money)	3548713	2609782	4081338	2029543
Jul 29, 2025	3469731	Grant (prize money)	4568303	3751659	2937342	HHS
Apr 12, 2025	6373543	Grant (prize money)	4015366	6246388	8102797	HHS

Access funding benchmarks and valuations. Sign up today!

View details of Rhaeos's funding rounds and investors

The founders of Rhaeos are John Rogers, Siddharth Krishnan and Amit Ayer. Anna Lisa Somera is the CEO of Rhaeos.

Here are the details of Rhaeos' key team members:

John Rogers: Co-Founder & President of Rhaeos. They are also an angel investor in 1 startup and serve on the boards of 2 companies.
Siddharth Krishnan: Co-Founder of Rhaeos.
Amit Ayer: Co-Founder of Rhaeos.
Anna Lisa Somera: CEO of Rhaeos.
Contact Info: 1 email address

View details of Rhaeos's Founder profiles and Board Members

Rhaeos' employee count trend

Rhaeos has 15 employees as of Aug 26. Here is Rhaeos's employee count trend over the years:

Uncover Rhaeos' growth story! Sign up today!

Access Tracxn on any website

Our Google Chrome extension lets you view company details while browsing their websites

Install Tracxn Extension

Top competitors of Rhaeos include Ceribell, Cala Health and Kernel. Here is the list of Top 10 competitors of Rhaeos, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Ceribell 2014, Mountain View (United States), Public	EEG system for the diagnosis of seizures	$188M	The Rise Fund, Longitude Capital & 11 others	69/100
2nd	Cala Health 2013, Stanford (United States), Series D	Developer of a wearable non-invasive neuromodulation device	$257M	Vertex Growth, Novartis & 29 others	63/100
3rd	Kernel 2016, Los Angeles (United States), Series C	Developer of multimodal brain measurement technology for neuromedicine	$158M	General Catalyst, Eldridge Industries & 3 others	57/100
4th	CoMind 2017, London (United Kingdom), Series A	Provider of a non-invasive brain-computer interface solution for various industries	$60M	Plural, Octopus Ventures & 6 others	56/100
5th	NeuroVision 2010, Sacramento (United States), Series C	Provider of telehealth platform offering diagnostic and preventative neurology services	$20.4M	Wildcat Capital Management, Vspglobal & 6 others	56/100
6th	Brain.Space 2018, Tel Aviv (Israel), Series A	Digital brain activity analysis device for providers	$19.5M	Mangrove Capital Partners, Toyota Ventures ... & 3 others	54/100
7th	NeuroXess 1970, Huangpu (China), Seed	Provider of decision-support diagnostic solutions for healthcare organizations	$13.9M	Sequoia Capital, Sunda & 11 others	52/100
8th	Watlow 1922, United States, Acquired	Provider of industrial electric thermal solutions	-	-	52/100
9th	Augmental Tech 2018, Somerville (United States), Seed	Provider of an AR based solution to discreet hands-free mobile device interaction	$105K	Berkeley SkyDeck, MassChallenge & 1 others	52/100
10th	Sense Neuro Diagnostics 2013, Cincinnati (United States), Seed	Non-invasive brain activity monitoring device	$4.64M	Queen City Angels, Defense.gov & 3 others	51/100
28th	Rhaeos 2018, Evanston (United States), Series A	Developer of a noninvasive device to monitor CSF and manage hydrocephalus	$12.8M	Band of Angels, Lateral Capital & 15 others	42/100