About Helios Capital
Helios Capital is a venture capital firm founded in 2019. It is primarily based out of New York City, United States. As of Nov 2022, Helios Capital has invested in 23 companies. It primarily invests in Seed round in United States based startups. Its investments are spread across a wide range of sectors from High Tech to Aerospace, Maritime and Defense Tech and Life Sciences. Most recently it participated in the $***** Seed round of Gravitics Overall, Helios Capital portfolio has seen 2 unicorns and 2 acquisitions including key companies like Relativity Space, Axiom Space and Swarm Technologies. A lot of funds co-invest with Helios Capital, with names like Gaingels sharing a substantial percentage of its portfolio. Helios Capital has team of 4 people including 1 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Seed, Series A & 1 more
Portfolio Acquisitions
Portfolio Unicorns
Helios Capital's List of Top Investments
Helios Capital has a portfolio of 23 companies, including 2 unicorns. Their most notable investments are in Luminous and Cosmic Shielding.Their portfolio spans across United States and United Kingdom. They have invested in High Tech, Aerospace, Maritime and Defense Tech, Life Sciences and 12 other sectors, across stages such as Seed, Series A and 1 more. Here is the list of top investments by Helios Capital:
1. SpaceX
Provider of reusable space launch vehicles for large payloads. It provides users with a platform that designs, manufactures, and launches advanced rockets and spacecraft and offer a range of services including satellite internet systems and missions to Mars. It also provides users with a trunk attached to the spacecraft, a parachute system, multiple engines, and oxygen-based propellants.
Key facts about SpaceX
- Founded Year: 2002
- Location: Hawthorne (United States)
- Valuation: $*****
- Stage: Series J
- Total Funding till date: $11.9B
- Employee Count: 18,419 as on Mar 31, 2026
- Investors: equitywestsecurities.com, TrueBridge and 240 Others
- Latest Funding Round: Series J, Jan 21, 2025, $*****
- Highlight: Editors' Pick

2. Astra
Provider of launch services and electric propulsion systems for spacecraft. The company offers launch capabilities for responsive access to space. It also provides electric propulsion systems engineered for efficiency and reliability. These systems enable spacecraft to maneuver, maintain orbit, and execute mission operations.
Key facts about Astra
- Founded Year: 2016
- Location: Alameda (United States)
- Annual Revenue: £9.22K as on Nov 30, 2024
- Valuation: $*****
- Stage: Series B
- Total Funding till date: $137M
- Employee Count: 493 as on Mar 31, 2026
- Investors: B. Riley Financial, Advance and 15 Others
- Latest Funding Round: Series B, May 13, 2024, $*****
- Highlight: Editors' Pick

3. Luminous
Platform offering AI based supercomputers. It allows to build AI based supercomputers with necessary computing, memory, and bandwidth feature. It uses computer aided engineering tools to generate new ideas.
Key facts about Luminous
- Founded Year: 2018
- Location: Mountain View (United States)
- Stage: Series A
- Total Funding till date: $123M
- Employee Count: 21 as on Mar 31, 2026
- Investors: BoxGroup, MVP Ventures and 16 Others
- Latest Funding Round: Series A, Mar 03, 2022, $*****
- Highlight: Editors' Pick
Provider of AI-powered 3D printed launch vehicles for small payloads. Its launch vehicle is developed using a proprietary metal 3D printer, and uses a combination of oxygen and methane as propellants. It uses AI and autonomous robotics technologies to develop launch vehicles that can deploy satellites in lower earth orbitals. It can deploy and resupply satellite constellations into space in less time and cost.
Key facts about Relativity Space
- Founded Year: 2015
- Location: Inglewood (United States)
- Valuation: $*****
- Stage: Series E
- Total Funding till date: $1.34B
- Employee Count: 1,754 as on Mar 31, 2026
- Investors: Fidelity Investments, Allen & Company and 76 Others
- Latest Funding Round: Angel, Jan 09, 2025, $*****
- Highlight: Editors' Pick

5. Axiom Space
Developer of commercial space stations for habitation. Its space stations can host microgravity experiments and space-environment materials testing. It is also developing a thruster that can be installed on a mobile propulsion test stand. It also caters to government astronauts, tourists, private companies, and individuals for research, manufacturing, space exploration system testing and tourism.
Key facts about Axiom Space
- Founded Year: 2016
- Location: Houston (United States)
- Valuation: $*****
- Stage: Series D
- Total Funding till date: $830M
- Employee Count: 775 as on Feb 28, 2026
- Investors: Trinity Capital, Qatar Investment Authority and 36 Others
- Latest Funding Round: Series D, Feb 12, 2026, $*****
- Highlight: Editors' Pick
Helios Capital's Year-on-Year Investment Trends
Helios Capital has invested in 23 companies over the last 6 years, with an average of 1 new investment annually in the last 5 years. Its most recent first time investment was in Gravitics.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 | 3 | 0 | 3 |
2021 | 1 | 0 | 1 |
2020 | 2 | 0 | 2 |
Helios Capital's Investments by Stage
Helios Capital has made 3 investments in Seed stage with an average round size of $16.2M, 2 investments in Series A stage with an average round size of $9M and 1 investment in Series B stage with an average round size of $16.2M.Stage of entry | No. of Investments |
|---|---|
Seed | 3 |
Series A | 2 |
Series B | 1 |
Note: We have considered here, only first round of investments
Helios Capital's Investments by Sector
Helios Capital has a diverse portfolio, with companies operating in the Aerospace, Maritime and Defense Tech, High Tech, Enterprise Applications, Business Services and Enterprise Infrastructure. Notably, it has invested in 21 Enterprise (B2B) companies, 21 Tech companies, 16 Tech hardware companies and at least 7 companies focusing on Software.Sector | No. of Investments |
|---|---|
Aerospace, Maritime and Defense Tech | 4 |
High Tech | 4 |
Enterprise Applications | 3 |
Business Services | 1 |
Enterprise Infrastructure | 1 |
Note: We have considered here, only first round of investments
Helios Capital's Investments by Geography
Helios Capital has made most investments in United States (5), followed by United Kingdom where it has made 1 investment.Country | No. of Investments |
|---|---|
United States | 5 |
United Kingdom | 1 |
Note: We have considered here, only first round of investments
Helios Capital's recent investments
Helios Capital has not made any investment in 2026 so far.Here are the most recent investments by Helios Capital:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Nov 17, 2022 | United States | Seed | 5473 | [+8] | |
Feb 24, 2022 | United States | Series B | 7422 | [+9] | |
Jan 19, 2022 | United States | Seed | 3618 | [+7] | |
May 05, 2021 | United States | Seed | 7800 | [+4] | |
Jul 08, 2020 | United States | Series A | 6540 | - |
Unicorns in Helios Capital's Portfolio
Helios Capital has 2 unicorns in its portfolio - Axiom Space and Relativity Space. The most recent unicorn in their portfolio is Axiom Space. It became a unicorn in 2021, 5 years before Helios Capital first invested in it.Here is a list of unicorns in Helios Capital's portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
64 | Developer of commercial space stations for habitation | 2016 | Houston | Series D | mifdbcd | ||
65 | Provider of AI-powered 3D printed launch vehicles for small payloads | 2015 | Inglewood | Series E | iqrlotj |
Acquired companies in Helios Capital's Portfolio
2 companies from Helios Capital's portfolio have been acquired. The most recent acquisition were Volumetric in Oct 2021 by 3D Systems for $400M.Here are Helios Capital's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Oct 27, 2021 | - | - | 9706 | |
Aug 08, 2021 | - | - | 4511 |
Team profile of Helios Capital
Helios Capital has a team of 4 members including 1 Partner and 2 Principals located in United States. Helios Capital's team does not sit on the board of any company as of now.Here is a list of all team members in Helios Capital:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | Palm Beach | - | ||
Principal | Miami | - | - | |
Principal | Bellevue | - | - |
Co-investors of Helios Capital
Over the past 6 years, 48 investors have co-invested in Helios Capital's portfolio companies. This includes funds and angels.
- Invested before Helios Capital: Gigafund, Neo and 12 others have invested in rounds before Helios Capital. There is 1 company where Gigafund has invested before Helios Capital and 1 company where Neo has invested before Helios Capital.
- Top Co-investors of Helios Capital: 25 investors entered a company along with Helios Capital. These include investors like Gaingels (3 companies).
- Invested after Helios Capital: A total of 9 investors have invested in Helios Capital's portfolio after their investments. Top Investors include Bill Gates (1 company), 8090 Partners (1 company) and Horsley Bridge Partners (1 company).
