About ONE9
ONE9 is a venture capital firm founded in 2013. It is primarily based out of Sacramento, United States. As of May 2025, ONE9 is an active investor, having invested in 3 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 Enterprise Applications to High Tech and Aerospace, Maritime and Defense Tech. Most recently it participated in the $***** Seed round of StirlingX A lot of funds co-invest with ONE9, with names like Koch Disruptive Technologies sharing a substantial percentage of its portfolio. ONE9 has team of 20 people including 8 partners.Key Metrics
Team Members
Portfolio Count
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series A & Seed
Portfolio Soonicorns
Deals in last 12 months
ONE9's List of All Investments
ONE9 has a portfolio of 3 companies. Their most notable investmentis in Hidden LevelTheir portfolio spans across United States and United Kingdom. They have invested in Enterprise Applications, High Tech, Aerospace, Maritime and Defense Tech and 1 other sectors, across stages such as Series A, Seed stages. Here is the list of all investments by ONE9:
1. Strider
Provides a risk intelligence platform for enterprises. Their technology and intelligence solutions enable clients to proactively identify, manage, and respond to nation-state directed IP theft and supply chain vulnerabilities.
Key facts about Strider
- Founded Year: 2019
- Location: Salt Lake City (United States)
- Stage: Series C
- Total Funding till date: $117M
- Employee Count: 285 as on Mar 31, 2026
- Investors: Koch Disruptive Technologies, Pelion Venture Partners and 5 Others
- Latest Funding Round: Series C, Jul 03, 2024, $*****
- Highlight: Editors' Pick

2. Hidden Level
Developer of RF sensing technology for airspace monitoring and threat detection. It provides hardware and data services for defense, critical infrastructure, and public safety applications. The company's technology detects and tracks aerial activity, dark targets, and spectral weather using passive, multifunction sensors. It offers solutions for drone defense, infrastructure inspection, and cross-agency coordination. The company aims to provide clarity and confidence in critical decision-making through advanced RF sensing.
Key facts about Hidden Level
- Founded Year: 2018
- Location: Syracuse (United States)
- Stage: Series C
- Total Funding till date: $226M
- Employee Count: 135 as on Mar 31, 2026
- Investors: Founders Circle Capital, DFJ Growth and 15 Others
- Latest Funding Round: Series C, Feb 03, 2025, $*****
3. StirlingX
Provider of drone systems and data services for critical decisions. The company empowers customers by unlocking the value of data through autonomous drone systems. It offers solutions to build, operate, and illuminate various sectors. The company focuses on providing secure and reliable data acquisition and analysis.
Key facts about StirlingX
- Founded Year: 2024
- Location: London (United Kingdom)
- Stage: Seed
- Total Funding till date: $11M
- Employee Count: 25 as on Jan 31, 2026
- Investors: RCM, ONE9 and 1 Other
- Latest Funding Round: Seed, May 22, 2025, $*****
- Highlight: Editors' Pick
ONE9's Year-on-Year Investment Trends
ONE9 has invested in 3 companies over the last 6 years, with an average of 0 new investment annually in the last 5 years. In 2025, it made 1 investment. Its most recent first time investment was in StirlingX and most recent follow-on round was in Strider.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 0 | 0 | 0 |
2025 | 1 | 0 | 1 |
2024 | 0 | 0 | 0 |
2023 | 1 | 0 | 1 |
2022 | 0 | 1 | 1 |
2021 | 0 | 0 | 0 |
2020 | 1 | 0 | 1 |
ONE9's Investments by Stage
ONE9 has made 2 investments in Series A stage with an average round size of $10M and 1 investment in Seed stage with an average round size of $11M.Stage of entry | No. of Investments |
|---|---|
Series A | 2 |
Seed | 1 |
Note: We have considered here, only first round of investments
ONE9's Investments by Sector
ONE9 has a diverse portfolio, with companies operating in the Aerospace, Maritime and Defense Tech, Enterprise Applications, High Tech and Industrial Goods and Manufacturing. Notably, it has invested in 2 Enterprise (B2B) companies, 2 Software companies, 2 Tech companies and at least 1 company focusing on Saas.Sector | No. of Investments |
|---|---|
Aerospace, Maritime and Defense Tech | 2 |
Enterprise Applications | 2 |
High Tech | 1 |
Industrial Goods and Manufacturing | 1 |
Note: We have considered here, only first round of investments
ONE9's Investments by Geography
ONE9 has made most investments in United States (2), followed by United Kingdom where it has made 1 investment.Country | No. of Investments |
|---|---|
United States | 2 |
United Kingdom | 1 |
Note: We have considered here, only first round of investments
ONE9's recent investments
ONE9 has not made any investment in 2026 so far.Here are the most recent investments by ONE9:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
May 22, 2025 | United Kingdom | Seed | 4033 | [+1] | |
Feb 21, 2023 | United States | Series A | 9192 | ||
Apr 13, 2022 | United States | Series B | 6226 | ||
Oct 08, 2020 | United States | Series A | 3058 |
Team profile of ONE9
ONE9 has a team of 20 members including 8 Partners located in Canada. ONE9's team does not sit on the board of any company as of now.Here is a list of top team members in ONE9:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | Vancouver | - | - | |
Partner | Ottawa | - | ||
Partner | Ottawa | - | ||
Partner | Ottawa | - | ||
Partner | Toronto | - | - | |
Partner | Toronto | - | - | |
Partner | Toronto | - | - | |
Partner | Canada | - |
Co-investors of ONE9
Over the past 6 years, 21 investors have co-invested in ONE9's portfolio companies. This includes only funds.
- Invested before ONE9: DataTribe, Lockheed Martin and 5 others have invested in rounds before ONE9. There is 1 company where DataTribe has invested before ONE9 and 1 company where Lockheed Martin has invested before ONE9.
- Top Co-investors of ONE9: 4 investors entered a company along with ONE9. These include investors like Koch Disruptive Technologies (1 company).
- Invested after ONE9: A total of 10 investors have invested in ONE9's portfolio after their investments. Top Investors include Pelion Venture Partners (1 company), AXA Venture Partners (1 company) and Valor Equity Partners (1 company).
Recent News related to ONE9
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British drone startup extends seed round to £8mUKTN•Nov 27, 2025•StirlingX, RCM, GALLOS, ONE9 and 2 others
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Kensington Acquires ONE9 Venture Capital BusinessFinancial Post•Apr 02, 2025•Kensington Capital Partners, ONE9
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Strider secures $45M for data intelligence that helps companies avert economic espionage threatsVentureBeat•Apr 27, 2022•Strider, Valor Equity Partners, Koch Disruptive Technologies, ONE9 and 1 other
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Strider Technologies Announces $10 Million Series A Funding Round To Combat Nation-State Directed IP Theft And Supply Chain RisksKoch Disruptive Technologies•Dec 09, 2020•Strider, Koch Disruptive Technologies, ONE9, DataTribe
