About Halcyon
Halcyon, an accelerator and incubator program founded in 2014, is based in Washington, DC, United States. With a presence in 3 countries, it has supported around 6 startups in sectors like HealthTech, Life Sciences. Most notable companies in
its portfolio include TadHealth, Hubly and Zapnito. The program is backed by a team of 1 people who primarily support Seed startups based in United States. Its latest investment was a $1.6M Seed round in TadHealth on May 23, 2024, which also saw participation from Halcyon Venture Partners and USC.
Key Metrics
Founded Year
2014
Location
Washington, DC, United States
Sectors of Investment
Stages of Investment
Seed
Locations of Investment
Halcyon's List of Top Investments
Halcyon has a portfolio of 6 companies. Their most notable investments include TadHealth and Hubly.Their portfolio spans across United States, Mexico and United Kingdom. They have invested in HealthTech, Life Sciences, Enterprise Applications and 2 other sectors, across stages such as Seed stage. Here is the list of top investments by Halcyon:
1. TadHealth
Provider of a real-time mental health care platform for businesses. It offers a customizable and patent pending care coordination system that provide mental health care facilities for crisis prevention, virtual care, and long-term well being.
Key facts about TadHealth
- Founded Year: 2021
- Location: Newport Beach (United States)
- Stage: Series A
- Total Funding till date: $9.95M
- Employee Count: 38 as on Mar 31, 2026
- Investors: Halcyon, RevFund and 4 Others
- Latest Funding Round: Series A, Feb 28, 2025, $*****
- Highlight: Editors' Pick
2. Hubly
Developer of electrical bed system for intracranial access The company has developed a battery-powered drilling system that is used for intracranial access with pressure-based plunge prevention, Ghajar technique for catheter guidance, drilling path guidance, and offers real-time feedback for the neurosurgeons.
Key facts about Hubly
- Founded Year: 2018
- Location: Chicago (United States)
- Stage: Seed
- Total Funding till date: $4.2M
- Employee Count: 21 as on Mar 31, 2026
- Investors: OCA Ventures, JHH vc and 9 Others
- Latest Funding Round: Seed, Jul 21, 2023, $*****
3. Zapnito
Zapnito provides knowledge sharing platform for organizations enable them to share, promote, and monetize collective expertise. The platform brings audience and customers together for deep engagement, facilitate expert-led discussions, provides online training, and knowledge networking. Its clients include J.P.Morgan, Informa, Mc Graw Hill, IET, and more.
Key facts about Zapnito
- Founded Year: 2014
- Location: London (United Kingdom)
- Valuation: $*****
- Stage: Series A
- Total Funding till date: $5.22M
- Employee Count: 30 as on Mar 31, 2026
- Investors: Octopus Ventures, Syndicate Room and 46 Others
- Latest Funding Round: Series A, Jun 09, 2021, $*****
- Highlight: Editors' Pick
4. OxiWear
Health monitoring devices for providers and patients. The company has designed a medical wearable device that has the ability to monitor the SPO2 of an individual. The vital tracking tool has the features to generate alerting signals, access medical emergency lines, and more.
Key facts about OxiWear
- Founded Year: 2018
- Location: Arlington (United States)
- Stage: Seed
- Total Funding till date: $1.25M
- Employee Count: 15 as on Mar 31, 2026
- Investors: Gaingels, Center for Innovative Technology and 11 Others
- Latest Funding Round: Seed, Jun 16, 2021, $*****
- Highlight: Editors' Pick
5. Pilleve
Platform for monitoring and screening opioid abuse. The company offers a smart pill bottle and app for providers to prescribe and patients to use controlled drugs by monitoring opioid use in real-time.
Key facts about Pilleve
- Founded Year: 2017
- Location: Winston-salem (United States)
- Stage: Seed
- Total Funding till date: $150K
- Employee Count: 3 as on Mar 31, 2026
- Investors: One Way Ventures, MassChallenge and 7 Others
- Latest Funding Round: Seed, Oct 31, 2018, $*****
Halcyon's Year-on-Year Investment Trends
Halcyon has invested in 6 companies over the last 5 years, with an average of 1 new investment annually in the last 5 years. Its most recent first time investment was in TadHealth.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 0 | 0 | 0 |
2025 | 0 | 0 | 0 |
2024 | 1 | 0 | 1 |
2023 | 0 | 0 | 0 |
2022 | 1 | 0 | 1 |
2021 | 2 | 0 | 2 |
Halcyon's Investments by Stage
Halcyon has made 4 investments in Seed stage with an average round size of $1.94M.Halcyon's Investments by Sector
Halcyon has a diverse portfolio, with companies operating in the HealthTech, Life Sciences, Enterprise Applications, Healthcare and High Tech. Notably, it has invested in 5 Enterprise (B2B) companies, 5 Tech companies, 3 Tech hardware companies and at least 2 companies focusing on Software.Sector | No. of Investments |
|---|---|
HealthTech | 2 |
Life Sciences | 2 |
Enterprise Applications | 1 |
Healthcare | 1 |
High Tech | 1 |
Others | 1 |
Note: We have considered here, only first round of investments
Halcyon's Investments by Geography
Halcyon has made most investments in United States (3), followed by Mexico where it has made 1 investment.Country | No. of Investments |
|---|---|
United States | 3 |
Mexico | 1 |
Note: We have considered here, only first round of investments
Halcyon's recent investments
Halcyon has not made any investment in 2026 so far.Here are the most recent investments by Halcyon:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
May 23, 2024 | United States | Seed | 5370 | ||
Aug 30, 2022 | Mexico | Seed | 7896 | [+1] | |
Dec 22, 2021 | United States | Seed | 7892 | [+1] | |
Jun 16, 2021 | United States | Seed | 5981 |
Team profile of Halcyon
Halcyon has a team of 1 member located in United States. Halcyon's team does not sit on the board of any company as of now.Co-investors of Halcyon
Over the past 5 years, 23 investors have co-invested in Halcyon's portfolio companies. This includes funds and angels.
- Invested before Halcyon: healthcaresafetypgh.org and Alchemist Accelerator have invested in rounds before Halcyon. There are 2 companies where healthcaresafetypgh.org has invested before Halcyon and 1 company where Alchemist Accelerator has invested before Halcyon.
- Top Co-investors of Halcyon: 17 investors entered a company along with Halcyon. These include investors like Halcyon Venture Partners (1 company).
- Invested after Halcyon: A total of 4 investors have invested in Halcyon's portfolio after their investments. Top Investors include Robin Richards (1 company) and Sabrina Horn (1 company).
Recent News related to Halcyon
•
TadHealth Announces $1.6M Round of Funding to Expand Mental Health Services in SchoolsBusiness Wire•May 24, 2024•TadHealth, Halcyon Venture Partners, USC, Halcyon and 2 others
•
TadHealth Raises $1.6M in FundingFinSMEs•May 24, 2024•TadHealth, RevFund, Halcyon, Viterbiinnovation and 1 other
•
MEDU takes in $4M to develop reusable personal protective equipmentTechCrunch+•Aug 30, 2022•MEDU Protection, MaC Venture Capital, Halcyon
