About StartX
StartX, an accelerator and incubator program founded in 2009, is based in Palo Alto, United States. With a presence in 5 countries, it has supported around 125 startups in sectors like Enterprise Applications, High Tech. As of Aug 2026, StartX has 4 unicorns under its belt and has witnessed 34 portfolio exits. Most notable companies in
its portfolio include Lime, Patreon and Eight Sleep. The program is backed by a team of 73 people who primarily support Seed startups based in United States. Its latest investment was a $40M Series A round in Spot Biosystems on Jun 17, 2026, which also saw participation from LDV Partners and IDG Capital.
Key Metrics
Founded Year
2009
Location
Palo Alto, United States
Sectors of Investment
Stages of Investment
Seed, Series A & 5 more
Locations of Investment
Unicorn in Portfolio
StartX's List of Top Investments
StartX has a portfolio of 125 companies, including 4 unicorns. Their most notable investments are in DynaOptics and Mojo Vision.Their portfolio spans across United States, India, Malaysia and 2 more locations. They have invested in Enterprise Applications, High Tech, HealthTech and 26 other sectors, across stages such as Seed, Series A and 5 more. Here is the list of top investments by StartX:1. Lime
App-based rental platform providing self-drive electric kick-scooter. The platform enables users to find the nearest available scooter and start the ride by scanning their QR code or access code. Users should provide rider details, payment details, location, and more for book the scooter. It offers features like variant payment options, and more. At the end of the ride, users can park the vehicle at their legal locations. Their mobile app is available for Android and iOS devices
Key facts about Lime
- Founded Year: 2017
- Location: San Francisco (United States)
- Stage: Public
- Total Funding till date: $1.71B
- Employee Count: 2,726 as on Jun 30, 2026
- Investors: Meritech, Star Tech NG and 98 Others
- Latest Funding Round: Series D, Jul 04, 2022, $*****
- Highlight: Public

2. Patreon
Provider of a reward-based crowdfunding platform for musicians and content creators. It allows users to invest in projects to avail returns in the form of pre-sold concert tickets, personal gifts, meet & greets, etc. The backers pledge a fixed amount every month to the chosen project. It is based on the ad revenue and per-stream payouts model. The application can be accessed on iOS and Android devices.
Key facts about Patreon
- Founded Year: 2013
- Location: San Francisco (United States)
- Valuation: $*****
- Stage: Series F
- Total Funding till date: $412M
- Employee Count: 1,265 as on Jun 30, 2026
- Investors: New Enterprise Associates, Allen & Company and 59 Others
- Latest Funding Round: Series F, Apr 06, 2021, $*****
- Highlight: Editors' Pick

3. Eight Sleep
Provider of AI-based internet-first brand of mattress and smart mattress covers. It provides an AI-based internet-first brand of thermoregulated mattress, carbon air pillow, and smart mattress cover that is controlled via smartphone. It allows the user to set the temperature of the mattress independently and monitor the body vitals such as breathing and heart-rate variability. This control allows the user to fall asleep faster and improves the quality of sleep. The app can be connected with other smart devices to monitor sleep activity.
Key facts about Eight Sleep
- Founded Year: 2014
- Location: New York City (United States)
- Valuation: $*****
- Stage: Series D
- Total Funding till date: $323M
- Employee Count: 250 as on Jun 30, 2026
- Investors: SoftBank Group, StartX and 88 Others
- Latest Funding Round: Series D, Mar 04, 2026, $*****
- Highlight: Editors' Pick
4. OpenSea
Blockchain-based web3 marketplace. It enables the creation, buying, selling, and auctioning of non-fungible tokens. It allows users to browse, create, buy, sell, and auction unique digital goods. It provides a platform for creators to showcase their digital art, collectibles, and other unique digital items to a global audience.
Key facts about OpenSea
- Founded Year: 2017
- Location: New York City (United States)
- Valuation: $*****
- Stage: Series C
- Total Funding till date: $427M
- Employee Count: 714 as on Jun 30, 2026
- Investors: Y Ventures, StartX and 73 Others
- Latest Funding Round: Series C, Jan 04, 2022, $*****
- Highlight: Editors' Pick

5. Alchemy
Provider of complete blockchain developer platform. It provides enterprise-grade Web3 infrastructure rollups-as-a-service, embedded, smart wallets, gasless transactions, stablecoin orchestration, DeFi primitives, real-time webhooks, portfolio/token APIs, and comprehensive devtools.
Key facts about Alchemy
- Founded Year: 2013
- Location: San Francisco (United States)
- Valuation: $*****
- Stage: Series C
- Total Funding till date: $564M
- Employee Count: 350 as on Jun 30, 2026
- Investors: Silver Lake, DFJ Growth and 36 Others
- Latest Funding Round: Series C, Jan 28, 2022, $*****
- Highlight: Editors' Pick
StartX's Year-on-Year Investment Trends
StartX has invested in 125 companies over the last 13 years, with an average of 7 new investments annually in the last 10 years. In 2025, it made 1 investment, while as of Jun 2026, it has made 1 investment in this year. Its most recent first time investment was in Spot Biosystems and most recent follow-on round was in Luma Health.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 1 | 0 | 1 |
2025 | 1 | 0 | 1 |
2024 | 0 | 0 | 0 |
2023 | 0 | 0 | 0 |
2022 | 1 | 0 | 1 |
2021 | 1 | 1 | 2 |
2020 | 4 | 1 | 5 |
2019 | 9 | 0 | 9 |
2018 | 21 | 5 | 26 |
2017 | 19 | 0 | 19 |
StartX's Investments by Stage
StartX has made 59 investments in Seed stage with an average round size of $3.53M, 32 investments in Series A stage with an average round size of $11.3M and 19 investments in Series B stage with an average round size of $28.6M.Stage of entry | No. of Investments |
|---|---|
Seed | 59 |
Series A | 32 |
Series B | 19 |
Series D | 2 |
Convertible Debt | 1 |
Others | 2 |
Note: We have considered here, only first round of investments
StartX's Investments by Sector
StartX has a diverse portfolio, with companies operating in the Enterprise Applications, High Tech, HealthTech, Consumer and Life Sciences. Notably, it has invested in 121 Tech companies, 83 Enterprise (B2B) companies, 80 Software companies and at least 48 companies focusing on Consumer (B2C).Sector | No. of Investments |
|---|---|
Enterprise Applications | 49 |
High Tech | 35 |
HealthTech | 27 |
Consumer | 24 |
Life Sciences | 21 |
Others | 165 |
Note: We have considered here, only first round of investments
StartX's Investments by Geography
StartX has made most investments in United States (112), followed by India where it has made 1 investment.Country | No. of Investments |
|---|---|
United States | 112 |
India | 1 |
Malaysia | 1 |
Singapore | 1 |
Note: We have considered here, only first round of investments
StartX's recent investments
StartX has made 1 investments in 2026 so far - Spot Biosystems.Here are the most recent investments by StartX:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Jun 17, 2026 | United States | Series A | 5516 | [+5] | |
Mar 13, 2025 | United States | Seed | 9123 | [+10] | |
Feb 2022 | Singapore | Seed | 4666 | ||
Nov 23, 2021 | United States | Series C | 9693 | [+4] | |
Jan 22, 2021 | United States | Seed | 8591 | [+4] |
Unicorns in StartX's Portfolio
StartX has 4 unicorns in its portfolio - Eight Sleep, Alchemy, Dexterity and others. The most recent unicorn in their portfolio is Eight Sleep. It became a unicorn in 2026, 10 years after StartX first invested in it.Here is a list of unicorns in StartX's portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
80 | Provider of AI-based internet-first brand of mattress and smart mattress covers | 2014 | New York City | Series D | ehkgyqi | ||
78 | Provider of complete blockchain developer platform | 2013 | San Francisco | Series C | mh{mcrj | ||
65 | AI that powers robots to do physical tasks | 2017 | Redwood City | Series B | pydtspx | ||
80 | Provider of a reward-based crowdfunding platform for musicians and content creators | 2013 | San Francisco | Series F | dimjwly |
IPOs and Publicly Listed companies in StartX's Portfolio
2 of StartX's portfolio companies have become public. Lime got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ), in Jul 2026 at marketcap of $1.6B and Ethos got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ) at marketcap of $1.1B.Here are StartX's portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Jul 01, 2026 | Oct 10, 2017 | Series B | 3826 | |
Jan 29, 2026 | - | - | 9040 |
Acquired companies in StartX's Portfolio
32 companies from StartX's portfolio have been acquired. The most recent acquisition was Tachyus in Jun 2026 by SLB for $*****.Here are StartX's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Jun 01, 2026 | Oct 12, 2016 | Series A | 5500 | |
Apr 17, 2025 | May 08, 2018 | Series B | 6767 | |
Apr 14, 2025 | Oct 17, 2018 | Seed | 8181 | |
Aug 28, 2024 | Oct 11, 2017 | Series A | 7315 | |
Jul 23, 2024 | Feb 27, 2018 | Seed | 5094 |
Team profile of StartX
StartX has a team of 73 members including 25 Partners, 7 Venture Partners and 4 Principals located in United States, India and 2 more locations. StartX's team sits on the board of 2 companies.Here is a list of top team members in StartX:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | San Francisco | - | ||
Partner | Stanford | - | - | |
Partner | Palo Alto | - | ||
Partner | Palo Alto | - | - | |
Partner | Lewis Center | - | ||
Partner | San Francisco | - | ||
Partner | Palo Alto | - | ||
Partner | San Francisco | - | ||
Partner | Palo Alto | - | ||
Partner | Stanford | - |
Co-investors of StartX
Over the past 13 years, 953 investors have co-invested in StartX's portfolio companies. This includes funds and angels.
- Invested before StartX: Y Combinator, 500 Global and 162 others have invested in rounds before StartX. There are 6 companies where Y Combinator has invested before StartX and 5 companies where 500 Global has invested before StartX.
- Top Co-investors of StartX: 363 investors entered a company along with StartX. These include investors like AME Cloud Ventures (5 companies).
- Invested after StartX: A total of 426 investors have invested in StartX's portfolio after their investments. Top Investors include HHS (4 companies) and Google Ventures (3 companies).
Recent News related to StartX
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WorldQuant Foundry Partners with StartX Accelerator to Drive Entrepreneurial InnovationBusiness Wire•Nov 26, 2024•WorldQuant Foundry, StartX
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Streetbeat raises $10 millionFinextra•Feb 07, 2022•Streetbeat Systems, TTV Capital, Seraph Group, AAF Management and 1 other
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Tomi.ai Joins StartX to Blaze the Trail for Predictive Marketing in Banking, Real Estate, and SaaSMarTech Series•Feb 02, 2022•Tomi.ai, StartX
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XP Health, which uses AI to provide vision benefits to employees, raises $5MVator•Jan 22, 2021•XP Health, Valor Capital Group, Sempervirens Fund, Village Global and 3 others
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Remote Work Platform Turing.com Raises $32 Million In Series BPulse 2.0•Dec 15, 2020•Turing, WestBridge Capital, Foundation Capital, Altair Capital and 20 others
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Instrumental raises $20M to scale its AI-powered manufacturing techTechCrunch+•Jul 29, 2020•Instrumental, Canaan, First Round Capital, Root Ventures and 2 others
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Dexterity Inc. emerges from stealth with $56M in funding for full stack robotic pickingThe Robot Report•Jul 22, 2020•Dexterity, Kleiner Perkins, Lightspeed Venture Partners, Obvious Ventures and 6 others