About Helium-3 Ventures
Helium-3 Ventures is a venture capital firm founded in 2021. It is primarily based out of New York City, United States. As of Jul 2025, Helium-3 Ventures is an active investor, having invested in 20 companies, with 1 new investment in the last 12 months. 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 Enterprise Applications and Retail. Most recently it participated in the $***** Seed round of OneText Overall, Helium-3 Ventures portfolio has seen 2 unicorns, namely Teamworks. A lot of funds co-invest with Helium-3 Ventures, with names like Mercedes-Benz sharing a substantial percentage of its portfolio. Helium-3 Ventures has team of 11 people including 3 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series A, Seed & 1 more
Portfolio Soonicorns
Helium-3 Ventures' List of Top Investments
Helium-3 Ventures has a portfolio of 20 companies, including 2 unicorns. Their most notable investmentis in Engineered ArtsTheir portfolio spans across United States, United Kingdom and Canada. They have invested in High Tech, Enterprise Applications, Retail and 14 other sectors, across stages such as Series A, Seed and 1 more. Here is the list of top investments by Helium-3 Ventures:1. Teamworks
Provider of an operating system for sports team management solutions. The platform offers tools for talent acquisition, operational streamlining, and performance development. It facilitates communication, scheduling, and file sharing to keep athletes and staff synchronized. The system automates workflows and provides insights to simplify logistics. It equips athletes and staff with resources for preparation, competition, and recovery.
Key facts about Teamworks
- Founded Year: 2006
- Location: Durham (United States)
- Valuation: $*****
- Stage: Series F
- Total Funding till date: $411M
- Employee Count: 681 as on Mar 31, 2026
- Investors: AllianceBernstein, Dragoneer Investment Group and 20 Others
- Latest Funding Round: Series F, Jun 05, 2025, $*****
- Highlight: Editors' Pick
2. Joy
Joy is a platform offering collaborative planning tools for weddings. Let's couples create a customized closed social network where guests can view and share wedding pictures, respond to RSVPs, etc. This platform also offers other services like wedding websites, guest list management, registry, and much more. mobile applications are available for android and iOS users.
Key facts about Joy
- Founded Year: 2015
- Location: San Francisco (United States)
- Stage: Series B
- Total Funding till date: $108M
- Employee Count: 485 as on Mar 31, 2026
- Investors: Hone Capital, Catapult and 27 Others
- Latest Funding Round: Series B, Nov 30, 2022, $*****
- Highlight: Editors' Pick
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Developer of a digital bank for businesses. It enables users to open an online checking account and earn returns with interest rates. It enables money transfers via wire and ACH transfers. It facilitates users with certain account balances to upgrade to returns with higher interest rates. It also provides businesses with accounts payable solutions.
Key facts about Rho Business Banking
- Founded Year: 2010
- Location: New York City (United States)
- Stage: Series B
- Total Funding till date: $235M
- Employee Count: 346 as on Mar 31, 2026
- Investors: Dragoneer Investment Group, DFJ Growth and 20 Others
- Latest Funding Round: Series B, Dec 09, 2021, $*****
- Highlight: Editors' Pick
General Fusion is a developer of a magnetized nuclear fusion reactor. The reactor consists of 3 main components, a plasma injector, which converts hydrogen fuel into plasma & holds in a magnetic field; liquid metal wall, which compresses the plasma & captures the energy released; piston array, which collapses liquid metal vortex & shockwave formation by plasma compression. The hot liquid metal is used to operate a heat exchanger by producing power.
Key facts about General Fusion
- Founded Year: 2002
- Location: Burnaby (Canada)
- Stage: Series F
- Total Funding till date: $515M
- Employee Count: 134 as on Mar 31, 2026
- Investors: Robeco, Bezos Expeditions and 44 Others
- Latest Funding Round: Conventional Debt, Nov 27, 2025, $*****
- Highlight: Editors' Pick
5. Apptronik
Developer of general-purpose humanoid robots for various applications and industries. These robots are designed to work in environments built for humans. They can accomplish tasks currently performed by humans in logistics and manufacturing. The robots aim to reduce labor shortages, improve employee retention, and decrease work-related injuries.
Key facts about Apptronik
- Founded Year: 2016
- Location: Austin (United States)
- Valuation: $*****
- Stage: Series A
- Total Funding till date: $956M
- Employee Count: 372 as on Mar 31, 2026
- Investors: ARK Investment Management, Qatar Investment Authority and 21 Others
- Latest Funding Round: Series A, Oct 21, 2025, $*****
- Highlight: Editors' Pick
Helium-3 Ventures' Year-on-Year Investment Trends
Helium-3 Ventures has invested in 20 companies over the last 4 years, with an average of 2 new investments annually in the last 3 years. In 2025, it made 3 investments. Its most recent first time investment was in OneText and most recent follow-on round was in Runwise.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 0 | 0 | 0 |
2025 | 2 | 1 | 3 |
2024 | 3 | 0 | 3 |
2023 | 1 | 0 | 1 |
2022 | 2 | 0 | 2 |
Helium-3 Ventures' Investments by Stage
Helium-3 Ventures has made 5 investments in Series A stage with an average round size of $31.4M, 2 investments in Seed stage with an average round size of $4.15M and 1 investment in Series B stage with an average round size of $15.8M.Stage of entry | No. of Investments |
|---|---|
Series A | 5 |
Seed | 2 |
Series B | 1 |
Note: We have considered here, only first round of investments
Helium-3 Ventures' Investments by Sector
Helium-3 Ventures has a diverse portfolio, with companies operating in the High Tech, Sustainability Tech, Environment Tech, Energy Tech and Enterprise Applications. Notably, it has invested in 14 Tech companies, 10 Enterprise (B2B) companies, 9 Software companies and at least 6 companies focusing on Consumer (B2C).Sector | No. of Investments |
|---|---|
High Tech | 4 |
Sustainability Tech | 4 |
Environment Tech | 3 |
Energy Tech | 2 |
Enterprise Applications | 2 |
Others | 7 |
Note: We have considered here, only first round of investments
Helium-3 Ventures' Investments by Geography
Helium-3 Ventures has made most investments in United States (6), followed by United Kingdom where it has made 2 investments.Country | No. of Investments |
|---|---|
United States | 6 |
United Kingdom | 2 |
Note: We have considered here, only first round of investments
Helium-3 Ventures' recent investments
Helium-3 Ventures has not made any investment in 2026 so far.Here are the most recent investments by Helium-3 Ventures:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Jul 08, 2025 | United States | Seed | 8360 | [+5] | |
Jun 10, 2025 | United States | Series B | 2869 | [+6] | |
Mar 18, 2025 | United States | Series A | 7233 | [+8] | |
Dec 16, 2024 | United Kingdom | Series A | 3618 | [+2] | |
Jun 17, 2024 | United States | Series A | 1257 |
Unicorns in Helium-3 Ventures' Portfolio
Helium-3 Ventures has 2 unicorns in its portfolio - Teamworks and Apptronik. The most recent unicorn in their portfolio is Teamworks. It became a unicorn in 2025.Here is a list of unicorns in Helium-3 Ventures' portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
73 | Provider of an operating system for sports team management solutions | 2006 | Durham | Series F | ctqdpya | ||
64 | Developer of general-purpose humanoid robots for various applications and industries | 2016 | Austin | Series A | fuvvywm |
Team profile of Helium-3 Ventures
Helium-3 Ventures has a team of 11 members including 3 Partners located in United States. Helium-3 Ventures' team does not sit on the board of any company as of now.Here is a list of top team members in Helium-3 Ventures:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | New York City | - | ||
Partner | New York City | - | ||
Partner | Los Angeles | - | - |
Co-investors of Helium-3 Ventures
Over the past 4 years, 99 investors have co-invested in Helium-3 Ventures's portfolio companies. This includes funds and angels.
- Invested before Helium-3 Ventures: Austin Technology Incubator, Terex Corporation and 42 others have invested in rounds before Helium-3 Ventures. There is 1 company where Austin Technology Incubator has invested before Helium-3 Ventures and 1 company where Terex Corporation has invested before Helium-3 Ventures.
- Top Co-investors of Helium-3 Ventures: 37 investors entered a company along with Helium-3 Ventures. These include investors like Mercedes-Benz (1 company).
- Invested after Helium-3 Ventures: A total of 18 investors have invested in Helium-3 Ventures's portfolio after their investments. Top Investors include PEAK6 (1 company), AT&T (1 company) and John Deere (1 company).
Recent News related to Helium-3 Ventures
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Helium Ventures Acquires InsurGrid, Leading Insurance Data Platform for P&C AgentsPR Newswire•Jan 21, 2026•Helium-3 Ventures, InsurGrid
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Apptronik brings in another $53 million to fuel Apollo productionThe Robot Report•Mar 18, 2025•Apptronik, B Capital, Capital Factory, Mercedes-Benz and 7 others
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Engineered Arts Raises $10 Million For Scaling Humanoid RoboticsPulse 2.0•Dec 17, 2024•Engineered Arts, Helium-3 Ventures, Belvoir Capital, Goldman Sachs and 1 other
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Princeton NuEnergy: Lithium Ion Battery Recycling Company Secures $30 Million In Series APulse 2.0•Jun 28, 2024•Samsung Venture Investment, Princeton NuEnergy, Helium-3 Ventures, Honda and 4 others
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Princeton NuEnergy Closes USD $30M Series A FundingFinSMEs•Jun 17, 2024•Princeton NuEnergy, Samsung Venture Investment, Honda, LKQ and 7 others
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Dendra systems secures $15M Series B for reseeding at scaleTech.eu•May 08, 2024•Dendra, Zouk Capital, Aramco Ventures, Airbus Ventures and 4 others
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Sage Geosystems procured about 25 trillion yen for new geothermal energy storage plantSherpa•Feb 26, 2024•Sage Geosystems, Chessapeake, Helium-3 Ventures, Virya and 2 others
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Sage Geosystems Raises $17 Million in Series A, Announces World’s First Commercial Geopressured Geothermal System (GGS) FacilityFinancial Times•Feb 15, 2024•Sage Geosystems, Chessapeake, Helium-3 Ventures, Virya and 2 others
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Runwise raises $19 million to improve buildings' energy efficiencyThe Star Online•Nov 03, 2022•Runwise, Fifth Wall, Rudin, Soja Ventures and 12 others
