When was Openwater founded?

Openwater was founded in 2016 and raised its 1st funding round 8 years after it was founded.

Where is Openwater located?

Openwater is headquartered in San Francisco, United States.

Who is the current CEO of Openwater?

Mary Lou Jepsen of Openwater. They have also founded 1 company.

How many employees does Openwater have?

As of Jul 31, 2026, the latest employee count at Openwater is 61.

Is Openwater a funded company?

Openwater is a funded company, having raised a total of $***** in its 1st and only funding round, a Series C round on Aug 22, 2024.

When was the latest funding round of Openwater?

Openwater's latest funding was a $***** Series C round on Aug 22, 2024, with participation from 5 investors.

Where does Openwater rank among its competitors?

Openwater ranks 6th amongst 163 active competitors, of which 48 are funded. It stands 2nd in terms of total funding among its competitors. The most recent competitor to raise funding was Science, which secured $230M in Feb, 2026.

Who are the top competitors of Openwater?

Openwater's top competitors include Science, NeuroVision and Brain.Space. Among them, Science secured the most recent funding round in February, 2026.

Openwater - 2026 Company Profile, Team, Funding & Competitors

Openwater is a series C company based in San Francisco (United States), founded in 2016 by Mary Lou Jepsen. It operates as a Provider of imaging technologies for medical diagnosis and treatments. Openwater has raised $100M in funding from investors like Khosla Ventures, Plum Alley Investments and Bold Capital Partners. The company has 163 active competitors, including 48 funded and 6 that have exited. Its top competitors include companies like Science, NeuroVision and Brain.Space.

Company Details

Provider of imaging technologies for medical diagnosis and treatments. It offers a wearable therapeutic and diagnostic headset which is capable of treating cancer, mental disease and measuring cerebral blood flow.

Website: www.openwater.health/
Social
Email ID: *****@openwater.cc

Key Metrics

Founded Year

2016

Location

San Francisco, United States

Stage

Series C

Total Funding

$100M in 1 round

Latest Funding Round

Series C, Aug 22, 2024, $*****

Investors

Khosla Ventures & 11 more

Ranked

6^th among 163 active competitors

Employee Count

61 as on Jul 31, 2026

Similar Companies

Science & 194 more

View Openwater's full profile

Openwater has raised a total funding of $100M over 1 round. Its latest funding round was a Series C round on Aug 22, 2024 for $*****. 5 investors participated in its latest round. Openwater has 10 institutional investors and 2 angel investors.

Here is the list of recent funding rounds of Openwater:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Aug 22, 2024	5366497	Series C	6054455	3210705	1816364	1024570

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View details of Openwater's funding rounds and investors

The founders of Openwater is Mary Lou Jepsen. Mary Lou Jepsen is the CEO of Openwater.

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

Mary Lou Jepsen: Founder & CEO of Openwater and founder of 1 other company.
Contact Info: 1 email address

View details of Openwater's Founder profiles and Board Members

Openwater's employee count trend

Openwater has 61 employees as of Jul 26. Here is Openwater's employee count trend over the years:

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Top competitors of Openwater include Science, NeuroVision and Brain.Space. Here is the list of Top 10 competitors of Openwater, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Science 2021, Alameda (United States), Series C	Provider of online science magazine	$490M	Khosla Ventures, RAA Capital & 9 others	63/100
2nd	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
3rd	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
4th	NeuroXess 1970, Huangpu (China), Seed	Provider of decision-support diagnostic solutions for healthcare organizations	$13.9M	Sequoia Capital, Sunda & 11 others	52/100
5th	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	51/100
6th	Openwater 2016, San Francisco (United States), Series C	Provider of imaging technologies for medical diagnosis and treatments	$100M	Collab Fund, Bold Capital Partners & 10 others	49/100
7th	Subsense 2022, Covina (United States), Seed	Developer of non-surgical brain-computer interfaces using biocompatible nanoparticles	$27M	Golden Falcon Capital	48/100
8th	Aleva Neuro 2008, Lausanne (Switzerland), Series E	Develops implantable deep brain stimulation systems that enables therapies for neurological diseases	$57M	CIP Merchant Capital, Venture Kick & 11 others	47/100
9th	BrainSpace 2021, Bothell (United States), Seed	Wearable ventricular drain monitoring solutions for physicians	$280K	Seattle Angel Conference, K1 Investment Management	45/100
10th	BrainQ 2011, Jerusalem (Israel), Series B	Developer of AI-powered electromagnetic stimulation technology for stroke disability recovery	$48.8M	Hanaco Ventures, EIC Fund & 8 others	44/100