30 Best Active Open source Investors in 2025
Last update to the database: Apr 28, 2026. See changelog.
Investor Rankings are calculated using our Seedtable Score – a 1 to 100 score that uses quantitative and qualitative data points (like the size of their fund or the quality of the companies they invested in) to signal the strength behind an investor. A score closer to 100 indicates an investor is worth watching closely.
Seedtable Raise
DownloadSeedtable Raise includes a comprehensive database of 3,000+ active European and global investors.
List of 30 top VCs
Bessemer Venture Partners is a venture capital firm that invests in consumer, enterprise and healthcare companies. It was founded in 1911 and is headquartered in San Francisco, California.
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in :
No data available
Bessemer Venture Partners is a venture capital firm that invests in consumer, enterprise and healthcare companies. It was founded in 1911 and is headquartered in San Francisco, California.
Offices:
Redwood City (HQ)
London
San Francisco
Cambridge
New York
Redwood City (HQ)
London
San Francisco
Cambridge
New York
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Series G, Unknown
Check Size:
$100k - $1B
Industries:
Health Tech, Edtech, FinTech
Top investments in :
Index Ventures is a venture capital firm that invests in start-ups with the potential to become global businesses. It was founded in 1996 and has locations all over the world.
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in :
No data available
Atomico is a venture capital firm headquartered in London, England founded by Niklas Zennström in 2006, making series A and onwards investments in technology companies.
Offices:
London (HQ)
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Unknown
Check Size:
$100k - $1B
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in :
Index Ventures is a venture capital firm that invests in start-ups with the potential to become global businesses. It was founded in 1996 and has locations all over the world.
Offices:
London (HQ)
San Francisco
New York
London (HQ)
San Francisco
New York
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Series F, Unknown
Check Size:
$100k - $500M
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in :
Germany-based venture capital firm focused on European tech startups.
Offices:
Berlin (HQ)
Munich
London
Paris
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Series F, Unknown
Check Size:
$100k - $500M
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in :
GV, based in Mountain View, is a venture capital fund founded in 2009 as Google Ventures. It invests in startups at various stages, from pre-seed to Series E, across industries such as technology, health, and fintech. Notable investments include Monzo, Nothing, and Blockchain.com. GV supports entrepreneurs developing impactful solutions to advance their fields.
Offices:
Mountain View (HQ)
New York
London
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Unknown
Check Size:
$100k - $250M
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in :
Offices:
No data available
Investment Stage:
Seed, Series A, Series B, Series C, Series F, Unknown
Check Size:
$5M - $500M
Industries:
Health Tech, FinTech, AI
Top investments in :
Insight Venture Partners is a New York-based venture capital fund investing in technology and software companies from seed to series G. They support sectors like data analytics, cloud services, and fintech without imposing a set check size limit. Notable investments include BlaBlaCar and Checkout. Insight Venture Partners provides financial backing and industry expertise to help companies scale and succeed.
Offices:
New York (HQ)
Investment Stage:
Seed, Series A, Series B, Series C, Series D, Series E, Series G, Unknown
Check Size:
$100k - $1B
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in :
Spark Capital is a venture capital firm founded in 2005 and headquartered in Boston, Massachusetts making early and growth investments in startup companies.
Offices:
No data available
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Series G
Check Size:
$2.5M - $500M
Industries:
Hardware, AI, AR / VR
Top investments in :
Stride.VC is a venture capital firm investing in early-stage companies in the United Kingdom and France.
Offices:
London (HQ)
Investment Stage:
Debt Financing, Pre Seed, Seed, Series A, Series B, Unknown
Check Size:
$100k - $100M
Industries:
Health Tech, Edtech, FinTech
Top investments in :
A venture capital and private equity firm investing in companies focused on the internet, mobile and software.
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in :
No data available
A venture capital and private equity firm investing in companies focused on the internet, mobile and software.
Offices:
No data available
Investment Stage:
Series A, Series B, Series C, Series D, Series E, Series F, Unknown
Check Size:
$100k - $1B
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in :
General Catalyst is a venture capital firm that invests in early-stage start-ups in education, research, health care, and social work.
Offices:
Cambridge (HQ)
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Series F, Unknown
Check Size:
$100k - $1B
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in :
Lightspeed Venture Partners is a venture capital and private equity firm focused on partnering with exceptional entrepreneurs to build high-growth market-leading companies globally.
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in :
No data available
Hoxton Ventures is an early stage technology venture capital firm that invests in mobile, internet and software startups. The company is based in London, United Kingdom.
Offices:
London (HQ)
Investment Stage:
Pre Seed, Seed, Series A, Unknown
Check Size:
$100k - $40M
Industries:
Health Tech, Edtech, FinTech
Top investments in :
Lightspeed Venture Partners is a venture capital and private equity firm focused on partnering with exceptional entrepreneurs to build high-growth market-leading companies globally.
Offices:
Menlo Park (HQ)
San Francisco
Tel Aviv
Menlo Park (HQ)
San Francisco
Tel Aviv
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Series G, Unknown
Check Size:
$100k - $1B
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in :
Kibo Ventures is a venture capital fund based in Madrid that invests in early-stage companies. Typical investments range from $2 million to $5 million. They focus on industries such as technology, healthcare, and entertainment, supporting companies in areas like cybersecurity, AI, and fintech. Notable portfolio companies include Exoticca and Acurable. Kibo Ventures aims to help startups grow and succeed by providing the necessary capital and support.
Offices:
Madrid (HQ)
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Unknown
Check Size:
$100k - $500M
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in :
Offices:
No data available
Investment Stage:
Seed, Series B, Series C
Check Size:
$2.5M - $100M
Industries:
AI, Adtech, Sales and Marketing
Top investments in :
A16Z, also known as Andreessen Horowitz, is a venture capital firm based in Menlo Park. They invest in startups at various stages, from pre-seed to series D, with varying check sizes. A16Z focuses on technology, healthcare, finance, entertainment, crypto, AI, and fintech. Portfolio companies include Hyperexponential, Kaedim, and Mistral AI. Through multiple funds, A16Z aims to support the growth and development of their investments across diverse sectors and stages.
Offices:
Menlo Park (HQ)
Investment Stage:
Debt Financing, Pre Seed, Seed, Series A, Series B, Series C, Series D, Unknown
Check Size:
$100k - $1B
Industries:
Health Tech, Edtech, FinTech
Top investments in :
A private equity firm in France that focuses on providing leveraged buyouts, debt, venture capital, growth capital, acquisition financing, public equity and buy-in investment solutions.
Offices:
Paris (HQ)
Berlin
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Series F, Series G, Series H, Series I, Unknown
Check Size:
$100k - $1B
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in :
Unusual Ventures invests in early stage enterprise and consumer technology companies and provides significant support with recruiting, sales, and marketing.
Offices:
No data available
Investment Stage:
Seed, Series A, Series B, Series C, Series D, Series E
Check Size:
$5M - $250M
Industries:
FinTech, AI, Machine learning
Top investments in :
ING Ventures is a venture capital fund supporting startups and growing companies at various stages, from seed funding to Series B and debt financing. Their investment focus includes AI, open source, hardware, communications, and fintech. Key investments include Fnality International, Weaviate, Metrofibre, and Fintonic. With over 150 professionals, ING Ventures offers expertise in corporate finance and advisory services, aiding in mergers and acquisitions.
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in :
No data available
ING Ventures is a venture capital fund supporting startups and growing companies at various stages, from seed funding to Series B and debt financing. Their investment focus includes AI, open source, hardware, communications, and fintech. Key investments include Fnality International, Weaviate, Metrofibre, and Fintonic. With over 150 professionals, ING Ventures offers expertise in corporate finance and advisory services, aiding in mergers and acquisitions.
Offices:
No data available
Investment Stage:
Debt Financing, Seed, Series A, Series B
Check Size:
$2.5M - $250M
Industries:
FinTech, Crypto & web3, Hardware
Top investments in :
Lifeline Ventures invests in companies focused on health, technology, web, and gaming.
Offices:
Helsinki (HQ)
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Unknown
Check Size:
$100k - $250M
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in :
Crane Venture Partners is a London-based venture capital fund. They invest in companies from pre-seed to Series D, with check sizes ranging from smaller to significant amounts. Their focus areas include data, cybersecurity, fintech, and AI. Notable investments include Onfido and SenseOn, supporting the growth of promising startups in Europe.
Offices:
London (HQ)
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series D, Unknown
Check Size:
$100k - $100M
Industries:
Edtech, FinTech, Crypto & web3
Top investments in :
Alven Capital is a Paris, France-based venture capital and private equity firm investing in French companies in the digital, technology, space, artificial intelligence, data, SaaS, security, and marketplace sector.
Offices:
Paris (HQ)
London
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Unknown
Check Size:
$500k - $1B
Industries:
Edtech, FinTech, Crypto & web3
Top investments in :
New Enterprise Associates is a global venture capital firm based in Menlo Park. They invest in companies at various stages, from early to late, focusing on technology and healthcare sectors. Their investments include areas such as enterprise software, health tech, and AI. Notable companies funded by New Enterprise Associates include Djust, Weaviate, and FIRE1. Their goal is to support promising startups in growing and scaling their businesses, aiming to be a key partner for entrepreneurs building the future.
Offices:
Menlo Park (HQ)
New York
Investment Stage:
Series A, Series B, Series C, Series E, Unknown
Check Size:
$100k - $1B
Industries:
Health Tech, Edtech, FinTech
Top investments in :
Force Over Mass Capital is a London-based venture capital fund investing in early-stage technology companies. They focus on sectors such as ecommerce, fintech, AI, and cybersecurity. The fund supports businesses with investments from $250,000 to $1 million. Notable portfolio companies include Sprinque, Seldon, and Admix.
Offices:
London (HQ)
Antwerp
Investment Stage:
Pre Seed, Seed, Series A, Series B, Unknown
Check Size:
$100k - $40M
Industries:
Climate Tech & Green Tech, Edtech, FinTech
Top investments in :
Technology investment arm of Albion Capital investing in technology startups in the United Kingdom
Offices:
London (HQ)
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Unknown
Check Size:
$2.5M - $250M
Industries:
Health Tech, Edtech, FinTech
Top investments in :