About Stony Lonesome Group
Stony Lonesome Group is a venture capital firm founded in 2011. It is primarily based out of Weston, United States. As of Jan 2026, Stony Lonesome Group is an active investor, having invested in 49 companies, with 2 new investments in the last 12 months. 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 Enterprise Applications and Life Sciences. Most recently it participated in the $***** Series A round of Grid Aero Overall, Stony Lonesome Group portfolio has seen 1 unicorn, 1 IPO and 4 acquisitions including key companies like ID.me, Arria and Upskill. A lot of funds co-invest with Stony Lonesome Group, with names like Alumni Ventures sharing a substantial percentage of its portfolio. Stony Lonesome Group has team of 17 people including 3 partners.Key Metrics
Team Members
Portfolio Count
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series A, Seed & 1 more
Portfolio IPOs
Portfolio Acquisitions
Portfolio Unicorns
Portfolio Soonicorns
Stony Lonesome Group's List of Top Investments
Stony Lonesome Group has a portfolio of 49 companies, one of which is a Unicorn. Their most notable investments are in WCH and Redactable.Their portfolio spans across United States and United Kingdom. They have invested in High Tech, Enterprise Applications, Life Sciences and 18 other sectors, across stages such as Series A, Seed and 1 more. Here is the list of top investments by Stony Lonesome Group:1. ID.me
Cloud based secure identity management and authentication solutions, provider. It is a digital identity verification platform that provides a secure way for individuals to prove and share the identity online, offering a range of services including identity verification, authentication, and access to deals and benefits.
Key facts about ID.me
AI-enabled financial planning and advisory solutions for individuals. Offers solutions for clients or an asset manager seeking to distribute product. Offers a wide range of capabilities to remove frictions and create engaging experiences,
Key facts about The Tifin Group
- Founded Year: 2018
- Location: New York City (United States)
- Valuation: $*****
- Stage: Series D
- Total Funding till date: $222M
- Employee Count: 198 as on May 31, 2026
- Investors: Franklin Templeton Investments, Morningstar and 8 Others
- Latest Funding Round: Series D, Sep 09, 2025, $*****
- Highlight: Editors' Pick
3. NeuroFlow
Provider of a platform for population health management. It remotely tracks the risk stratify population and adjusts treatment plans with integrated care. It also provides psychoeducation, relaxation training, mindfulness meditation, behavioral activation, and others for patients. It also has features for workflow management, integrated behavioral healthcare, care team management, collaborative work, and more.
Key facts about NeuroFlow
- Founded Year: 2017
- Location: Philadelphia (United States)
- Stage: Series C
- Total Funding till date: $52.5M
- Employee Count: 179 as on May 31, 2026
- Investors: Aflac Ventures, What If Ventures and 17 Others
- Latest Funding Round: Series C, Sep 06, 2023, $*****
- Highlight: Editors' Pick
4. Arria
Arria offers AI-based data analytics solutions. It allows users to analyze data and capture actionable insights, build NLP based reports and build dashboards to capture updates and business solutions. Its offering NLG Studio that helps developers to sources data from various sources and performs business intelligence solutions using artificial intelligence technology.
Key facts about Arria
- Founded Year: 2011
- Location: London (United Kingdom)
- Stage: Public
- Total Funding till date: $46.3M
- Employee Count: 72 as on May 31, 2026
- Investors: Allectus Capital, Ossian Capital and 2 Others
- Latest Funding Round: Post IPO, Feb 07, 2020, $*****
- Highlight: Public

5. Qunnect
Provider of telecommunications infrastructure services. It enables the creation of quantum internet solutions. It offers products for distributed computing networks, scalable networks, and more.
Key facts about Qunnect
- Founded Year: 2018
- Location: New York City (United States)
- Stage: Series A
- Total Funding till date: $20.6M
- Employee Count: 41 as on May 31, 2026
- Investors: Cisco Investments, Motus Ventures and 12 Others
- Latest Funding Round: Series A, Jan 21, 2025, $*****
- Highlight: Editors' Pick
Stony Lonesome Group's Year-on-Year Investment Trends
Stony Lonesome Group has invested in 49 companies over the last 10 years, with an average of 1 new investment annually in the last 10 years. In 2025, it made 1 investment, while as of Jan 2026, it has made 1 investment in this year. Its most recent first time investment was in Grid Aero and most recent follow-on round was in Redactable.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 1 | 0 | 1 |
2025 | 1 | 0 | 1 |
2024 | 0 | 0 | 0 |
2023 | 0 | 1 | 1 |
2022 | 1 | 0 | 1 |
2021 | 1 | 0 | 1 |
2020 | 0 | 0 | 0 |
2019 | 0 | 0 | 0 |
2018 | 1 | 0 | 1 |
2017 | 2 | 0 | 2 |
Stony Lonesome Group's Investments by Stage
Stony Lonesome Group has made 4 investments in Series A stage with an average round size of $22.1M, 3 investments in Seed stage with an average round size of $1.22M and 1 investment in Series B stage with an average round size of $23.4M.Stage of entry | No. of Investments |
|---|---|
Series A | 4 |
Seed | 3 |
Series B | 1 |
Note: We have considered here, only first round of investments
Stony Lonesome Group's Investments by Sector
Stony Lonesome Group has a diverse portfolio, with companies operating in the Aerospace, Maritime and Defense Tech, Enterprise Applications, Aerospace, Maritime and Defense, Business Services and Consumer. Notably, it has invested in 32 Enterprise (B2B) companies, 31 Tech companies, 20 Software companies and at least 8 companies focusing on Saas.Sector | No. of Investments |
|---|---|
Aerospace, Maritime and Defense Tech | 2 |
Enterprise Applications | 2 |
Aerospace, Maritime and Defense | 1 |
Business Services | 1 |
Consumer | 1 |
Others | 8 |
Note: We have considered here, only first round of investments
Stony Lonesome Group's Investments by Geography
Stony Lonesome Group has made most investments in United States (7).Stony Lonesome Group's recent investments
Stony Lonesome Group has made 1 investments in 2026 so far - Grid Aero.Here are the most recent investments by Stony Lonesome Group:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Jan 26, 2026 | United States | Series A | 9437 | [+5] | |
Sep 03, 2025 | - | Series A | 6066 | ||
Dec 15, 2023 | United States | Seed | 5196 | [+4] | |
Jul 28, 2022 | United States | Seed | 1008 | [+3] | |
Dec 27, 2021 | United States | Series A | 8527 |
Unicorns in Stony Lonesome Group's Portfolio
Stony Lonesome Group has 1 unicorn in its portfolio - ID.me. The most recent unicorn in their portfolio is ID.me which became a unicorn in 2021, 5 years before Stony Lonesome Group first invested in it.Here is a list of unicorns in Stony Lonesome Group's portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
72 | Cloud based secure identity management and authentication solutions provider | 2010 | Mclean | Series E | quqfrrw |
IPOs and Publicly Listed companies in Stony Lonesome Group's Portfolio
1 of Stony Lonesome Group's portfolio company became public - Arria. It got listed on the OTC Markets (OTCMKTS), in Nov 2018.Here are Stony Lonesome Group's portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Nov 02, 2018 | - | - | 6303 |
Acquired companies in Stony Lonesome Group's Portfolio
4 companies from Stony Lonesome Group's portfolio have been acquired. The most recent acquisition was VRstudios in Feb 2023 by FOD Capital for $*****.Here are Stony Lonesome Group's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Feb 16, 2023 | - | - | 5776 | |
Mar 10, 2022 | Dec 2017 | Series B | 8544 | |
Mar 02, 2021 | - | - | 6934 | |
Dec 16, 2014 | - | - | 5620 |
Team profile of Stony Lonesome Group
Stony Lonesome Group has a team of 17 members including 3 Partners, 11 Venture Partners and 2 Principals located in United States. Stony Lonesome Group's team does not sit on the board of any company as of now.Here is a list of top team members in Stony Lonesome Group:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | Tampa | - | ||
Partner | Philadelphia | - | - | |
Partner | United States | - | ||
Venture Partner | Chicago | - | - | |
Venture Partner | Frisco | - | - | |
Venture Partner | Leesburg | - | - | |
Venture Partner | Tampa | - | - | |
Venture Partner | Washington, DC | - | - | |
Venture Partner | Washington, DC | - | - | |
Venture Partner | Austin | - | - |
Co-investors of Stony Lonesome Group
Over the past 10 years, 55 investors have co-invested in Stony Lonesome Group's portfolio companies. This includes funds and angels.
- Invested before Stony Lonesome Group: Calibrate Ventures, Ubiquity Ventures and 12 others have invested in rounds before Stony Lonesome Group. There is 1 company where Calibrate Ventures has invested before Stony Lonesome Group and 1 company where Ubiquity Ventures has invested before Stony Lonesome Group.
- Top Co-investors of Stony Lonesome Group: 32 investors entered a company along with Stony Lonesome Group. These include investors like Alumni Ventures (2 companies).
- Invested after Stony Lonesome Group: A total of 9 investors have invested in Stony Lonesome Group's portfolio after their investments. Top Investors include Gula Tech Adventures (1 company), Energy Impact Partners (1 company) and Motley Fool Ventures (1 company).
Recent News related to Stony Lonesome Group
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Grid Aero Secures $20 Million Funding for Long-Range Cargo UAS Flight TestingDefense Daily•Jan 26, 2026•Grid Aero, Bison Ventures, Geodesic Capital, Commonweal Ventures and 4 others
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Redactable Raises $5.5M in Seed FundingFinSMEs•Dec 15, 2023•Redactable, Gradient Ventures, Wocstar Fund, Everywhere and 3 others
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SCYTHE Secures $3 Million in Initial Financing Round Led by Gula Tech AdventuresVCA Online•Sep 17, 2018•SCYTHE, Paladin Capital, SaaS Ventures, Evolution Equity Partners and 11 others
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