About Index Ventures
Index Ventures is a venture capital firm founded in 1996. It is primarily based out of London, United Kingdom. As of Sep 2026, Index Ventures is an active investor, having invested in 694 companies, with 39 new investments 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 Consumer and High Tech. Most recently it participated in the $***** Series C round of Wonderful Overall, Index Ventures portfolio has seen 75 unicorns, 40 IPOs and 223 acquisitions including key companies like Slack, Facebook and Robinhood. A lot of funds co-invest with Index Ventures, with names like Sequoia Capital sharing a substantial percentage of its portfolio. Index Ventures has team of 29 people including 4 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series A, Seed & 9 more
Portfolio IPOs
Portfolio Acquisitions
Portfolio Unicorns
Index Ventures' List of Top Investments
Index Ventures has a portfolio of 694 companies, including 75 unicorns. Their most notable investments are in Synq and Motive.Their portfolio spans across United States, United Kingdom, Germany and 32 more locations. They have invested in Enterprise Applications, Consumer, High Tech and 33 other sectors, across stages such as Series A, Seed and 9 more. Here is the list of top investments by Index Ventures:
1. Slack
Developer of communication software for team collaboration and project management. This platform facilitates messaging, file sharing, and audio or video meetings. It integrates with various third-party applications to automate workflows and manage tasks. Users organize conversations into channels to coordinate projects and share information. The software includes tools for searching archives, managing user profiles, and implementing security protocols for data protection. Artificial intelligence features assist with summarizing content, drafting responses, and managing automated agents to streamline routine work processes.
Key facts about Slack
- Founded Year: 2009
- Location: San Francisco (United States)
- Last Known Valuation: $*****
- Stage: Acquired
- Total Funding till date: $1.22B
- Employee Count: 2,631 as on Jul 31, 2026
- Investors: ADS Ventures, Glynn Capital and 69 Others
- Latest Funding Round: Post IPO, Apr 16, 2020, $*****
- Highlight: Acquired
2. Facebook
Operator of a social networking service facilitating connection and communication. Its services allows users to connect with friends, family, and other individuals. It provides tools for sharing updates, photos, and videos. The platform also offers features for creating and joining groups, following interests, and discovering content.
Key facts about Facebook
- Founded Year: 2004
- Location: Menlo Park (United States)
- Annual Revenue: $1B+ as on Dec 31, 2025
- Stage: Public
- Total Funding till date: $2.27B
- Employee Count: 26,594 as on May 31, 2026
- Investors: Sprout Capital Partners, Meritech and 120 Others
- Latest Funding Round: Grant (prize money), Jan 15, 2017, $*****
- Highlight: Public
3. Robinhood
Broker-based online trading and investment platform. It offers tools for building investment strategies and tracking market trends. It facilitates trading in stocks, funds, options, and crypto assets. Expert-managed portfolios are available, providing market insights and investment adjustments. The company also provides educational resources to improve investor knowledge.
Key facts about Robinhood
- Founded Year: 2013
- Location: Menlo Park (United States)
- Annual Revenue: $1B+ as on Dec 31, 2025
- Stage: Public
- Total Funding till date: $5.73B
- Employee Count: 5,007 as on Jul 31, 2026
- Investors: HTIF, ADS Ventures and 153 Others
- Latest Funding Round: Post IPO, May 13, 2022, $*****
- Highlight: Public
4. Roblox
Online gaming platform for developing web and mobile games. The platform enables its users to create its own games through simple drag and drop mechanisms. It has developed Roblox an action game. It generates revenue through virtual purchases in-game by the use of a virtual currency Robux. The platform follows a revenue share model for game developers.
Key facts about Roblox
- Founded Year: 2004
- Location: San Mateo (United States)
- Annual Revenue: $1B+ as on Dec 31, 2025
- Stage: Public
- Total Funding till date: $918M
- Employee Count: 9,866 as on May 31, 2026
- Investors: Meritech, ADS Ventures and 22 Others
- Latest Funding Round: Series H, Jan 06, 2021, $*****
- Highlight: Public
5. Wise
Provider of international money transfer and multi-currency. It offers secure, transparent, and cost-efficient cross-border payment solutions. It provides personal accounts, business accounts, multi-currency cards, and platform APIs that enable individuals, companies, and financial institutions to send, receive, hold, and convert money globally.
Key facts about Wise
- Founded Year: 2011
- Location: Shoreditch (United Kingdom)
- Annual Revenue: €500M - €1B as on Mar 31, 2022
- Stage: Public
- Total Funding till date: $397M
- Employee Count: 10,710 as on May 31, 2026
- Investors: Glynn Capital, Galtymore Partners and 104 Others
- Latest Funding Round: Venture Debt, May 19, 2021, $*****
- Highlight: Public
Index Ventures' Year-on-Year Investment Trends
Index Ventures has invested in 694 companies over the last 26 years, with an average of 34 new investments annually in the last 10 years. In 2025, it made 57 investments, while as of Sep 2026, it has made 61 investments in this year. Its most recent first time investment was in Instinct and most recent follow-on round was in Wonderful.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 32 | 29 | 61 |
2025 | 21 | 36 | 57 |
2024 | 36 | 28 | 64 |
2023 | 24 | 11 | 35 |
2022 | 35 | 45 | 80 |
2021 | 48 | 77 | 125 |
2020 | 41 | 40 | 81 |
2019 | 30 | 29 | 59 |
2018 | 33 | 30 | 63 |
2017 | 25 | 28 | 53 |
Index Ventures' Investments by Stage
Index Ventures has made 249 investments in Series A stage with an average round size of $18.5M, 221 investments in Seed stage with an average round size of $13.1M and 113 investments in Series B stage with an average round size of $43.6M.Stage of entry | No. of Investments |
|---|---|
Series A | 249 |
Seed | 221 |
Series B | 113 |
Series C | 37 |
Series D | 16 |
Others | 15 |
Note: We have considered here, only first round of investments
Index Ventures' Investments by Sector
Index Ventures has a diverse portfolio, with companies operating in the Enterprise Applications, Consumer, Enterprise Infrastructure, FinTech and High Tech. Notably, it has invested in 641 Tech companies, 453 Enterprise (B2B) companies, 437 Software companies and at least 265 companies focusing on Consumer (B2C).Sector | No. of Investments |
|---|---|
Enterprise Applications | 345 |
Consumer | 169 |
Enterprise Infrastructure | 115 |
FinTech | 99 |
High Tech | 90 |
Others | 648 |
Note: We have considered here, only first round of investments
Index Ventures' Investments by Geography
Index Ventures has made most investments in United States (371), followed by United Kingdom where it has made 113 investments.Country | No. of Investments |
|---|---|
United States | 371 |
United Kingdom | 113 |
Germany | 29 |
France | 26 |
Israel | 17 |
Others | 98 |
Note: We have considered here, only first round of investments
Index Ventures' recent investments
Index Ventures has made 61 investments in 2026 so far. Wonderful and Instinct are the latest among them.Here are the most recent investments by Index Ventures:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Sep 02, 2026 | Netherlands | Series C | 9662 | [+5] | |
Aug 27, 2026 | United States | Series B | 6535 | ||
Aug 05, 2026 | United States | Series B | 7990 | [+1] | |
Aug 04, 2026 | United States | Seed | 2717 | [+1] | |
Aug 03, 2026 | United States | Seed | 9996 |
Unicorns in Index Ventures' Portfolio
Index Ventures has 75 unicorns in its portfolio - Glow, Cowboy Space Corporation, Parallel Web Systems and others. The most recent unicorn in their portfolio is Glow. It became a unicorn in 2026.Here is a list of unicorns in Index Ventures' portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
56 | Developer of software for endpoint security and autonomous risk management | 2025 | Palo Alto | Series A | gpgwjnu | ||
55 | Company developing vertically integrated infrastructure to power and run AI compute in orbit | 2024 | San Carlos | Series B | aaptbye | ||
70 | Developer of an API providing web search for AI applications | 2023 | Palo Alto | Series B | lhgzbri | ||
51 | Developer of reinforcement learning algorithms for autonomous superlearning artificial intelligence | 2025 | London | Seed | nblnltg | ||
58 | Developer of an AI-powered tool for automated meeting note taking | 2023 | London | Series C | tat{hjz |
IPOs and Publicly Listed companies in Index Ventures' Portfolio
40 of Index Ventures' portfolio companies have become public. Wealthfront got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ), in Dec 2025 at marketcap of $2.05B and Figma got listed on the New York Stock Exchange (NYSE) at marketcap of $13.5B.Here are Index Ventures' portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Dec 12, 2025 | Mar 20, 2013 | Series B | 7089 | |
Jul 31, 2025 | Dec 19, 2014 | Series A | 1978 | |
Dec 12, 2024 | Nov 14, 2018 | Series D | 5267 | |
Nov 05, 2021 | Mar 09, 2018 | Series B | 2774 | |
Oct 20, 2021 | Mar 23, 2015 | Series C | 3809 |
Acquired companies in Index Ventures' Portfolio
223 companies from Index Ventures' portfolio have been acquired. The most recent acquisition was Dagster in Jul 2026 by Prefect for $*****.Here are Index Ventures' portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Jul 13, 2026 | Nov 16, 2021 | Series A | 4491 | |
Jul 02, 2026 | Mar 2020 | Seed | 5557 | |
Jun 30, 2026 | Mar 11, 2024 | Seed | 5969 | |
May 28, 2026 | May 07, 2025 | Seed | 5272 | |
May 19, 2026 | Jul 2017 | Series A | 4145 |
Team profile of Index Ventures
Index Ventures has a team of 29 members including 4 Partners, 2 Venture Partners and 4 Principals located in United States, United Kingdom and 1 more location. Index Ventures' team sits on the board of 4 companies.Here is a list of top team members in Index Ventures:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | Switzerland | - | - | |
Partner | Switzerland | - | ||
Partner | London | Peanut, SeedLegals and 1 more | - | |
Partner | London | - | ||
Partner | San Francisco | - | - | |
Partner | New York | - | - | |
Venture Partner | United States | - | ||
Venture Partner | Switzerland | - | - |
Co-investors of Index Ventures
Over the past 26 years, 3534 investors have co-invested in Index Ventures's portfolio companies. This includes funds and angels.
- Invested before Index Ventures: Y Combinator, Sequoia Capital and 869 others have invested in rounds before Index Ventures. There are 34 companies where Y Combinator has invested before Index Ventures and 18 companies where Sequoia Capital has invested before Index Ventures.
- Top Co-investors of Index Ventures: 1252 investors entered a company along with Index Ventures. These include investors like Sequoia Capital (23 companies).
- Invested after Index Ventures: A total of 1411 investors have invested in Index Ventures's portfolio after their investments. Top Investors include Tiger Global Management (30 companies), Andreessen Horowitz (20 companies) and Insight Partners (20 companies).
Recent News related to Index Ventures
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Instinct Raises $350 Million at $2.5 Billion Valuation Amidst AI EnthusiasmTechCrunch+•Aug 27, 2026•Benchmark, Index Ventures
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Feathery Raises $30 Million in Series A Fundingintelligence360•Aug 21, 2026•Portage, Feathery, Index Ventures, Allstate
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UK AI funding skyrocketed in first half of the yearUKTN•Aug 11, 2026•Wayve, Seldon, Ineffable, FluidStack and 12 others
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7AI Raises $130M Series A to Expand AI Security Agent PlatformThe SaaS News•Aug 07, 2026•7AI, Index Ventures
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Simile Scores $200 Million FundingMassinvestor•Aug 04, 2026•Greenoaks, CVS Health Ventures, Bain Capital Ventures, Index Ventures and 1 other
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Enigma Raises $70M in Seed Funding Led by Index Ventures and Ribbit CapitalCryptocurrency•Jul 27, 2026•Ribbit Capital, Enigma, Index Ventures, Conviction and 6 others
