About SixThirty
SixThirty is a venture capital firm founded in 2013. It is primarily based out of St. Louis, United States. As of Sep 2026, SixThirty is an active investor, having invested in 141 companies, with 6 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 Enterprise Applications to FinTech and High Tech. Most recently it participated in the $***** Series A round of Diameter Pay Overall, SixThirty portfolio has seen 3 unicorns, 2 IPOs and 30 acquisitions including key companies like Upside, Silverfort and Trust Stamp. A lot of funds co-invest with SixThirty, with names like Gaingels sharing a substantial percentage of its portfolio. SixThirty has team of 16 people including 5 partners.Key Metrics
Team Members
Portfolio Count
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Seed, Series A & 1 more
Portfolio IPOs
Portfolio Unicorns
Portfolio Soonicorns
Deals in last 12 months
SixThirty's List of Top Investments
SixThirty has a portfolio of 141 companies, including 3 unicorns. Their most notable investments are in BOXX Insurance and Micruity.Their portfolio spans across United States, Israel, Canada and 14 more locations. They have invested in Enterprise Applications, FinTech, High Tech, FinTech and 17 other sectors, across stages such as Seed, Series A and 1 more. Here is the list of top investments by SixThirty:
Digital platform providing financing solutions for small businesses. It offers various financing options, including micro loans, term loans, and invoice financing. It aims to provide accessible and reliable financing to support business growth. The platform also facilitates debt investments for individual and institutional investors.
Key facts about Funding Societies
- Founded Year: 2015
- Location: Singapore (Singapore)
- Annual Revenue: $50M - $100M as on Dec 31, 2024
- Stage: Series D
- Total Funding till date: $242M
- Employee Count: 479 as on Jul 31, 2026
- Investors: Khazanah Nasional Berhad, Samsung Venture Investment and 53 Others
- Latest Funding Round: Series D, Mar 20, 2025, $*****
- Highlight: Editors' Pick
2. Upside
Provider of digital platforms facilitating cash back for consumer purchases. This service enables individuals to receive financial rebates on transactions made at participating retailers. Users link payment cards to the application to track spending and claim rewards on eligible transactions. The system processes these rebates for transfer to bank accounts or conversion into retail gift cards.
Key facts about Upside
- Founded Year: 2016
- Location: Washington, DC (United States)
- Valuation: $*****
- Stage: Series D
- Total Funding till date: $250M
- Employee Count: 420 as on Jul 31, 2026
- Investors: Capital One Ventures, DCVC and 16 Others
- Latest Funding Round: Series D, Apr 26, 2022, $*****
- Highlight: Editors' Pick
3. Angle
Provider of technology-enabled health insurance plans for employers and employees. The company offers employers options for their employees while streamlining administration. It integrates with various payroll, HRIS, and benefit administration platforms. The company delivers personalized messaging based on condition and plan to improve access to care.
Key facts about Angle
- Founded Year: 2019
- Location: San Francisco (United States)
- Stage: Series B
- Total Funding till date: $196M
- Employee Count: 134 as on Jul 31, 2026
- Investors: Mighty Capital, Wing Venture Capital and 18 Others
- Latest Funding Round: Series B, Dec 03, 2025, $*****
- Highlight: Editors' Pick
4. Silverfort
Silverfort is a multi-factor authentication solutions provider. It is an unified identity protection platform that extends multi-factor authentication to previously unprotected resources, automates service account discovery and protection, and detects identity threats to prevent data breaches and identity attacks.
Key facts about Silverfort
- Founded Year: 2016
- Location: Tel Aviv (Israel)
- Valuation: $*****
- Stage: Series D
- Total Funding till date: $222M
- Employee Count: 635 as on Jul 31, 2026
- Investors: Vintage Investment Partners, Brighton Park Capital and 17 Others
- Latest Funding Round: Series D, Jan 23, 2024, $*****
- Highlight: Editors' Pick
5. Trust Stamp
AI-powered platform focuses on cybersecurity solutions. It provides tools that help users protect digital identities and secure interactions across different systems. Its features support verification, risk reduction, and safer data handling in online environments.
Key facts about Trust Stamp
- Founded Year: 2015
- Location: Atlanta (United States)
- Annual Revenue: $1M - $10M as on Dec 31, 2020
- Stage: Public
- Total Funding till date: $9.58M
- Employee Count: 77 as on Jul 31, 2026
- Investors: Mastercard, Queen City FinTech and 18 Others
- Latest Funding Round: Post IPO, Jul 13, 2024, $*****
- Highlight: Public
SixThirty's Year-on-Year Investment Trends
SixThirty has invested in 141 companies over the last 13 years, with an average of 7 new investments annually in the last 10 years. In 2025, it made 6 investments, while as of Sep 2026, it has made 4 investments in this year. Its most recent first time investment was in Diameter Pay and most recent follow-on round was in Lama AI.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 3 | 1 | 4 |
2025 | 4 | 2 | 6 |
2024 | 3 | 1 | 4 |
2023 | 5 | 2 | 7 |
2022 | 13 | 5 | 18 |
2021 | 12 | 4 | 16 |
2020 | 9 | 1 | 10 |
2019 | 6 | 2 | 8 |
2018 | 7 | 1 | 8 |
2017 | 9 | 1 | 10 |
SixThirty's Investments by Stage
SixThirty has made 65 investments in Seed stage with an average round size of $2.25M, 25 investments in Series A stage with an average round size of $11.3M and 4 investments in Series B stage with an average round size of $25M.Stage of entry | No. of Investments |
|---|---|
Seed | 65 |
Series A | 25 |
Series B | 4 |
Note: We have considered here, only first round of investments
SixThirty's Investments by Sector
SixThirty has a diverse portfolio, with companies operating in the FinTech, Enterprise Applications, Enterprise Infrastructure, Vertical SaaS and InsurTech. Notably, it has invested in 133 Tech companies, 118 Enterprise (B2B) companies, 105 Software companies and at least 62 companies focusing on Saas.Sector | No. of Investments |
|---|---|
FinTech | 67 |
Enterprise Applications | 64 |
Enterprise Infrastructure | 22 |
Vertical SaaS | 20 |
InsurTech | 14 |
Others | 52 |
Note: We have considered here, only first round of investments
SixThirty's Investments by Geography
SixThirty has made most investments in United States (58), followed by United Kingdom where it has made 7 investments.Country | No. of Investments |
|---|---|
United States | 58 |
United Kingdom | 7 |
Canada | 6 |
Switzerland | 6 |
Israel | 5 |
Others | 12 |
Note: We have considered here, only first round of investments
SixThirty's recent investments
SixThirty has made 4 investments in 2026 so far. Diameter Pay and Lama AI are the latest among them.Here are the most recent investments by SixThirty:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Sep 03, 2026 | United States | Series A | 1482 | [+5] | |
Jun 23, 2026 | United States | Series A | 1828 | [+4] | |
Jun 18, 2026 | Switzerland | Series A | 8727 | [+2] | |
May 18, 2026 | United States | Seed | 3484 | [+5] | |
Dec 03, 2025 | United States | Series B | 1032 | [+6] |
Unicorns in SixThirty's Portfolio
SixThirty has 3 unicorns in its portfolio - Angle, Silverfort and Upside. The most recent unicorn in their portfolio is Angle. It became a unicorn in 2026, 3 years after SixThirty first invested in it.Here is a list of unicorns in SixThirty's portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
72 | Provider of technology-enabled health insurance plans for employers and employees | 2019 | San Francisco | Series C | hvaaruy | ||
66 | Multi-factor authentication solutions provider | 2016 | Tel Aviv | Series D | atmkiib | ||
78 | Provider of digital platforms facilitating cash back for consumer purchases | 2016 | Washington, DC | Series D | bjfgzce |
IPOs and Publicly Listed companies in SixThirty's Portfolio
2 of SixThirty's portfolio companies have become public. Trust Stamp got listed on the OTC Markets (OTCMKTS), in Feb 2021.Here are SixThirty's portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Feb 24, 2021 | - | - | 9053 | |
- | - | - | 2230 |
Acquired companies in SixThirty's Portfolio
30 companies from SixThirty's portfolio have been acquired. The most recent acquisition was 1touch.io in Feb 2026 by Pure Storage for $*****.Here are SixThirty's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Feb 23, 2026 | - | - | 9697 | |
Feb 10, 2026 | May 14, 2019 | Seed | 9783 | |
Feb 02, 2026 | - | - | 7517 | |
Nov 04, 2025 | Jan 23, 2024 | Series B | 4479 | |
Jul 03, 2025 | Sep 22, 2021 | Series A | 6206 |
Team profile of SixThirty
SixThirty has a team of 16 members including 5 Partners and 5 Principals located in United States. SixThirty's team does not sit on the board of any company as of now.Here is a list of top team members in SixThirty:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | St. Louis | - | - | |
Partner | San Francisco | - | ||
Partner | St. Louis | - | ||
Partner | - | - | - | |
Partner | - | - | - | |
Principal | Saint Louis | - | ||
Principal | - | - | ||
Principal | - | - | ||
Principal | - | - | ||
Principal | St. Louis | - |
Co-investors of SixThirty
Over the past 13 years, 456 investors have co-invested in SixThirty's portfolio companies. This includes funds and angels.
- Invested before SixThirty: Techstars, Y Combinator and 110 others have invested in rounds before SixThirty. There are 5 companies where Techstars has invested before SixThirty and 4 companies where Y Combinator has invested before SixThirty.
- Top Co-investors of SixThirty: 196 investors entered a company along with SixThirty. These include investors like Gaingels (3 companies).
- Invested after SixThirty: A total of 148 investors have invested in SixThirty's portfolio after their investments. Top Investors include Cultivation Capital (7 companies), Gener8tor (3 companies) and Aflac Ventures (2 companies).
Recent News related to SixThirty
•
Diameter Pay Raises $10M Series A to Expand Global Fintech Payment InfrastructureThe SaaS News•Sep 04, 2026•CMT Digital, Faction VC, Diameter Pay, Onigiri and 4 others
•
Big Digital Energy Secures $15.03M Series D Funding with Lender Rights and RegistrationTradingView•Jul 06, 2026•SixThirty
•
Range Raises $8.3M Series A to Unify Treasury, Risk and Compliance Across Stablecoins and FiatSubmit Press Release•Jun 18, 2026•Maven 11, Onigiri, SixThirty, Range and 3 others
•
•
Micruity Raises $20M in Series A FundingFinSMEs•Dec 04, 2025•Micruity, SixThirty, Allianz, Pacific Life and 10 others
•
Angle Health Raises $134 Million to Scale AI-Native Health Benefits Platform for 62 Million SMB Employees Facing Record IncreasesBusiness Wire•Dec 03, 2025•Portage, PruVen Capital, Angle, Mighty Capital and 5 others
•
Numerai Secures $30M Series C Led by University Endowments, Valued at $500MCryptocurrency•Nov 21, 2025•Numerai, J P Morgan, Shine Capital, Union Square Ventures and 11 others
•
AiPrise Raises $12.5M in Series A FundingFinSMEs•Oct 08, 2025•AiPrise, Headline, Y Combinator, Correlation Ventures and 2 others
•
Hypt Secures CHF 1.65M in Seed Funding to Enhance Word-of-Mouth MarketingFinSMEs•Sep 08, 2025•EVSCSchools, Venpace, COREangels, SixThirty and 4 others
•
Particula’s $5.5 Million Funding RoundGlobal Legal Chronicle•May 07, 2025•Osborne Clarke, Particula, SixThirty, Vanagon Ventures and 1 other
