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 Mar 31, 2026, the latest employee count at Openwater is 58.

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. Its primary sector is Healthcare IT. In United States, the Healthcare IT sector has seen $3.64B in funding in 2026 to date.

Where does Openwater rank among its competitors?

Openwater ranks 12th amongst 1303 active competitors, of which 293 are funded. It stands 6th in terms of total funding among its competitors. The most recent competitor to raise funding was Neuralink, which secured an undisclosed amount in May, 2026.

Who are the top competitors of Openwater?

Openwater's top competitors include Ultrahuman, Oura and Masimo. Among them, Neuralink secured the most recent funding round in May, 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 1303 active competitors, including 293 funded and 86 that have exited. Its top competitors include companies like Ultrahuman, Oura and Masimo.

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

12^th among 1303 active competitors

Employee Count

58 as on Mar 31, 2026

Similar Companies

Ultrahuman & 1441 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	3877633	Series C	5775193	5031203	9689912	9603787

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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 58 employees as of Mar 26. Here is Openwater's employee count trend over the years:

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Top competitors of Openwater include Ultrahuman, Oura and Masimo. 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	Ultrahuman 2019, Bengaluru (India), Series C	Manufacturer of wearable health trackers and metabolic monitoring medical devices	$103M	Steadview, Nexus Venture Partners & 44 others	81/100
2nd	Oura 2013, Oulu (Finland), Series E	Developer of a smart ring for sleep, fitness, stress, and health	$1.32B	Fidelity Investments, Bold Capital Partners ... & 69 others	79/100
3rd	Masimo 1989, Irvine (United States), Acquired	Provider of wide range of devices to monitor health parameters	-	Bank of the West, Tekla Capital Management ... & 8 others	68/100
4th	Empatica 2011, Milano (Italy), Series B	Developer of a wrist band to monitor physiological signals	$30.9M	RA Capital Management, Sanofi Ventures & 5 others	66/100
5th	Neuralink 2016, Fremont (United States), Series E	Provider of implantable brain-computer interfaces	$1.29B	Founders Fund, Vy Capital & 36 others	66/100
6th	Endotronix 2007, East Peoria (United States), Acquired	Provider of device for Measurement of Hemodynamic parameters for heart failure maangement	$155M	Life Sciences Partners, Seroba Life Sciences ... & 14 others	65/100
7th	Sibel Health 2018, Niles (United States), Series C	Developer of wireless medical monitoring devices for clinical and remote use	$71M	Steele Foundation for Hope, Gates & 5 others	63/100
8th	Science 2021, Alameda (United States), Series C	Provider of online science magazine	$490M	Khosla Ventures, In-Q-Tel & 8 others	63/100
9th	HBOX 2020, Boston (United States), Seed	Provider of a SaaS-based remote patient monitoring platform and devices for healthcare professionals	$1.7M	Arali Ventures, Eterna Growth Partners & 2 others	62/100
10th	Biobeat 2014, Petah Tikva (Israel), Series B	Body vitals monitoring solution	$51M	Orbimed, Ally Bridge Group & 5 others	61/100
12th	Openwater 2016, San Francisco (United States), Series C	Provider of imaging technologies for medical diagnosis and treatments	$100M	Khosla Ventures, Bold Capital Partners & 10 others	60/100