About Joy Ventures
Joy Ventures is a venture capital firm founded in 2017. It is primarily based out of Herzliya, Israel. As of Jan 2022, Joy Ventures has invested in 12 companies. It primarily invests in Series A round in United States based startups. Its investments are spread across a wide range of sectors from High Tech to HealthTech and Life Sciences. Most recently it participated in the $***** Series A round of GrayMatters Health Overall, Joy Ventures portfolio has seen 1 unicorn and 3 acquisitions including key companies like Wisdo, Vi and Clay AIR. A lot of funds co-invest with Joy Ventures, with names like Otsuka sharing a substantial percentage of its portfolio. Joy Ventures has team of 7 people including 3 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series A, Series B & 1 more
Portfolio Unicorns
Portfolio Soonicorns
Joy Ventures' List of Top Investments
Joy Ventures has a portfolio of 12 companies, one of which is a Unicorn. Their most notable investments are in Vi and EMBR labs.Their portfolio spans across Israel, United States and United Kingdom. They have invested in High Tech, HealthTech, Life Sciences and 3 other sectors, across stages such as Series A, Series B and 1 more. Here is the list of top investments by Joy Ventures:1. Wisdo
Online community platform for multiple health conditions. The platform enables users to connect, share and learn about health-related conditions and receive tips and guidance. It offers a community platform for anxiety, self-care, depression, relationship advice, cancer, diabetes, and more.
Key facts about Wisdo
- Founded Year: 2015
- Location: Ramat Hasharon (Israel)
- Stage: Acquired
- Total Funding till date: $11M
- Employee Count: 36 as on Aug 31, 2026
- Investors: For Good Ventures, RONA Holdings and 12 Others
- Latest Funding Round: Series A, Jan 06, 2023, $*****
- Highlight: Acquired

2. EMBR labs
Provider of a wearable device for monitoring body temperature. The device offers cooling and warming sensations through a wristband. It utilizes thermal waves to stimulate temperature sensitive nerves. The device is designed to provide relief for thermal discomfort. The related mobile application allows users to personalize the experience. The device is worn on the wrist, which is an area of blood flow, and cools or warms the body at a rate of about 0.4 degrees Celsius per second. The prototype consists of a copper alloy based heat sink and a system to control thermal impulses.
Key facts about EMBR labs
- Founded Year: 2014
- Location: Boston (United States)
- Stage: Series B
- Total Funding till date: $15M
- Employee Count: 18 as on Aug 31, 2026
- Investors: Bose Ventures, Aon and 14 Others
- Latest Funding Round: Series B, Oct 16, 2024, $*****
- Highlight: Editors' Pick
Developer of neuromodulation therapy devices. The platform flagship product, Prism for Post-traumatic stress disorder that uses the amygdala based biomarker to register amygdala fMRI data to EEG. It focusing in developing and marketing solutions for treating mental disorders using digital brain biomarkers. The primary focus is on providing evidence based, accessible technology for mental health care, particularly for conditions like post-traumatic stress disorder.
Key facts about GrayMatters Health
- Founded Year: 2018
- Location: Haifa (Israel)
- Stage: Series A
- Total Funding till date: $13.5M
- Employee Count: 32 as on Jun 30, 2026
- Investors: J Ventures, EIC Fund and 8 Others
- Latest Funding Round: Grant (prize money), Mar 20, 2023, $*****
- Highlight: Editors' Pick

4. Vi
Provider of AI SaaS platform for health outcome and financial returns. The platform facilitates acquisition, engagement, and retention models throughout the member lifecycle. It offers tools to lower acquisition costs by leveraging data to target media spend. The platform also optimizes enrollment, engagement, utilization, and retention to enhance member lifetime value.
Key facts about Vi
- Founded Year: 2016
- Location: New York City (United States)
- Valuation: $*****
- Stage: Series A
- Total Funding till date: $36M
- Employee Count: 202 as on Aug 31, 2026
- Investors: General Atlantic, Cerca Partners and 13 Others
- Latest Funding Round: Series A, 2024, $*****
- Highlight: Editors' Pick
5. Lumen
Provider of metabolism tracker for a diet plan. The device is breath monitoring-based and provides personalized data on the mobile app, for carbohydrates and fats to monitor the body metabolism and diet plan for weight loss and overall fitness.
Key facts about Lumen
- Founded Year: 2014
- Location: Ramat Hasharon (Israel)
- Stage: Series B
- Total Funding till date: $77.5M
- Employee Count: 324 as on Aug 31, 2026
- Investors: RiverPark Ventures, Red Swan and 20 Others
- Latest Funding Round: Series B, Dec 01, 2022, $*****
- Highlight: Editors' Pick
Joy Ventures' Year-on-Year Investment Trends
Joy Ventures has invested in 12 companies over the last 8 years, with an average of 0 new investment annually in the last 5 years. Its most recent first time investment was in GrayMatters Health.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 0 | 0 | 0 |
2025 | 0 | 0 | 0 |
2024 | 0 | 0 | 0 |
2023 | 0 | 0 | 0 |
2022 | 1 | 0 | 1 |
2021 | 1 | 0 | 1 |
2020 | 1 | 0 | 1 |
2019 | 0 | 0 | 0 |
2018 | 3 | 0 | 3 |
Joy Ventures' Investments by Stage
Joy Ventures has made 3 investments in Series A stage with an average round size of $16.7M, 2 investments in Series B stage with an average round size of $20M and 1 investment in Seed stage with an average round size of $3M.Stage of entry | No. of Investments |
|---|---|
Series A | 3 |
Series B | 2 |
Seed | 1 |
Note: We have considered here, only first round of investments
Joy Ventures' Investments by Sector
Joy Ventures has a diverse portfolio, with companies operating in the HealthTech, High Tech, Consumer, Enterprise Applications and Life Sciences. Notably, it has invested in 12 Tech companies, 9 Consumer (B2C) companies, 7 Software companies and at least 6 companies focusing on Tech hardware.Sector | No. of Investments |
|---|---|
HealthTech | 4 |
High Tech | 3 |
Consumer | 2 |
Enterprise Applications | 2 |
Life Sciences | 2 |
Others | 2 |
Note: We have considered here, only first round of investments
Joy Ventures' Investments by Geography
Joy Ventures has made most investments in United States (3), followed by Israel where it has made 2 investments.Country | No. of Investments |
|---|---|
United States | 3 |
Israel | 2 |
United Kingdom | 1 |
Note: We have considered here, only first round of investments
Joy Ventures' recent investments
Joy Ventures has not made any investment in 2026 so far.Here are the most recent investments by Joy Ventures:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Jan 11, 2022 | Israel | Series A | 4890 | [+4] | |
Mar 02, 2021 | Israel | Seed | 9045 | - | |
Dec 03, 2020 | United States | Series B | 2586 | - | |
Jun 24, 2018 | United Kingdom | Series B | 3824 | - | |
Jun 19, 2018 | United States | Series A | 2079 | [+5] |
Unicorns in Joy Ventures' Portfolio
Joy Ventures has 1 unicorn in its portfolio - Vi. The most recent unicorn in their portfolio is Vi which became a unicorn in 2026, 7 years after Joy Ventures first invested in it.Here is a list of unicorns in Joy Ventures' portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
61 | Provider of AI SaaS platform for health outcome and financial returns | 2016 | New York City | Series A | rqvaokt |
Acquired companies in Joy Ventures' Portfolio
3 companies from Joy Ventures' portfolio have been acquired. The most recent acquisition was Wisdo in Oct 2025 by Talkspace for $*****.Here are Joy Ventures' portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Oct 06, 2025 | - | - | 5751 | |
Nov 09, 2021 | Jun 19, 2018 | Series A | 9056 | |
Apr 01, 2018 | Jun 24, 2018 | Series B | 7828 |
Team profile of Joy Ventures
Joy Ventures has a team of 7 members including 3 Partners and 1 Venture Partner located in Israel and Japan. Joy Ventures' team does not sit on the board of any company as of now.Here is a list of all team members in Joy Ventures:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | Kanagawa | - | ||
Partner | Israel | - | ||
Partner | Israel | - | ||
Venture Partner | Israel | - | - |
Co-investors of Joy Ventures
Over the past 8 years, 23 investors have co-invested in Joy Ventures's portfolio companies. This includes funds and angels.
- Invested before Joy Ventures: Square Peg Ventures, Intel Capital and 10 others have invested in rounds before Joy Ventures. There are 2 companies where Square Peg Ventures has invested before Joy Ventures and 1 company where Intel Capital has invested before Joy Ventures.
- Top Co-investors of Joy Ventures: 7 investors entered a company along with Joy Ventures. These include investors like Otsuka (1 company).
- Invested after Joy Ventures: A total of 4 investors have invested in Joy Ventures's portfolio after their investments. Top Investors include Ghost Tree Partners (1 company), Aon (1 company) and Europa (1 company).
Recent News related to Joy Ventures
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Embr Labs Raises $35M in Debt Financing for Its Thermoregulating Wristband for Women Going Through MenopauseFemtech Insider•May 05, 2023•EMBR labs, Bose Ventures, DigiTx Partners, Safar Partners and 2 others
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GrayMatters Health inks $10m Series AVCJ•Jan 11, 2022•GrayMatters Health, Otsuka, Joy Ventures, J Ventures and 2 others
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LifeBeam's latest $20M injection will expand Vi, its AI-powered workout headsetMobiHealthNews•Jun 21, 2018•LifeBEAM, Lifebeam, Joy Ventures, Square Peg Capital and 5 others
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Vi raises $20 million to expand its AI fitness businessVentureBeat•Jun 19, 2018•Vi Trainer, Joy Ventures, Square Peg Capital, New Era Ventures and 4 others
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