30 Best Active AI Investors in 2025
The AI sector in Europe is seeing true innovation. At the heart of this story are investors who recognize the transformative power of the industry and are keen to champion the companies working on problems worth solving.
This list is the result of tracking investment activity across +2,500 venture capital investors in Europe, and only includes funds that have invested in at least 5 AI startups in the past 12 months. If you're a startup in th space, an investor diversifying into new sectors, or someone keen on tracking the pulse of industry-specific investments, this list is a must-see.
Last update to the database: Apr 7, 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
Prima Materia is a European venture capital fund based in Stockholm. They invest in early and growth stages, including Series A and B, across sectors such as manufacturing, climate tech, AI, health tech, and gaming. The fund has supported companies like H2 Green Steel, Northvolt, and Homa Games. Prima Materia aims to back ventures that drive significant advancements in their industries.
Offices:
Stockholm (HQ)
Investment Stage:
Series A, Series B, Unknown
Check Size:
$100k - $1B
Industries:
Climate Tech & Green Tech, Health Tech, Govtech
Top investments in :
Kleiner Perkins is a venture capital fund that invests in both early-stage startups and mature companies. They focus on sectors such as artificial intelligence, video, travel technology, service industries, and e-commerce. Notable investments include Synthesia, Bump, and Omio. The fund aims to back businesses transforming enterprise, consumer, hardtech, fintech, and healthcare sectors.
Offices:
No data available
Investment Stage:
Seed, Series C
Check Size:
$2.5M - $100M
Industries:
AI, Fashion, Travel Tech
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 :
SignalFire is a venture capital fund focused on Series A startups in the crypto, web3, and fintech sectors. Its unique AI engine, Beacon, tracks millions of employees and companies to make informed investments and support portfolio growth. SignalFire offers founders expert assistance from recruiters and data scientists and provides workshops to foster business development. With over $2.1 billion in assets, SignalFire has invested in companies like Elliptic, aiming to help early-stage companies overcome challenges and achieve scalable growth.
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in :
No data available
SignalFire is a venture capital fund focused on Series A startups in the crypto, web3, and fintech sectors. Its unique AI engine, Beacon, tracks millions of employees and companies to make informed investments and support portfolio growth. SignalFire offers founders expert assistance from recruiters and data scientists and provides workshops to foster business development. With over $2.1 billion in assets, SignalFire has invested in companies like Elliptic, aiming to help early-stage companies overcome challenges and achieve scalable growth.
Offices:
No data available
Investment Stage:
Series A
Check Size:
$5M - $10M
Industries:
FinTech, Crypto & web3, AI
Top investments in :
Microsoft Climate Innovation Fund invests in early to growth-stage companies tackling climate change through technology. The fund supports businesses in AI, cybersecurity, energy, and more, with varying investment amounts. Companies like Mistral AI and Wayve have benefited from this support. The mission is to empower people and organizations through meaningful innovation. Microsoft's 220,000 employees share a culture of curiosity, inclusion, and a commitment to positive impact, aiming to create a brighter future through continuous learning and improvement.
Offices:
No data available
Investment Stage:
Seed, Series A, Series B, Series C
Check Size:
$5M - $1B
Industries:
Climate Tech & Green Tech, Edtech, Gaming
Top investments in :
NVIDIA is a Santa Clara, California-based graphics processor and artificial intelligence company founded in 1993 by Jensen Huang, Curtis Priem, and Chris Malachowsky.
Offices:
No data available
Investment Stage:
Series A, Series B, Series C, Series D, Unknown
Check Size:
$50M - $1B
Industries:
AI, Machine learning, Mobility & Transportation
Top investments in :
Lightspeed is a venture capital fund that focuses on early-stage investments in business intelligence companies, writing checks from $500k to $10M. They have backed companies like Condukt. Lightspeed aims to support the growth and success of promising startups by providing the financial resources needed to develop and scale operations.
Offices:
No data available
Investment Stage:
Pre Seed, Series A, Series B
Check Size:
$5M - $1B
Industries:
FinTech, AI, Machine learning
Top investments in :
Altimeter is a multibillion dollar technology-focused investment firm managing a public equity fund and growth stage private equity funds.
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in :
No data available
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 :
Altimeter is a multibillion dollar technology-focused investment firm managing a public equity fund and growth stage private equity funds.
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in :
No data available
Altimeter is a multibillion dollar technology-focused investment firm managing a public equity fund and growth stage private equity funds.
Offices:
No data available
Investment Stage:
Series B, Series F, Unknown
Check Size:
$70M - $500M
Industries:
AI, Machine learning, Messaging
Top investments in :
Heartcore is a venture capital fund based in Copenhagen. They invest in startups at stages ranging from pre-seed to series F, with check sizes between $300,000 and $6 million. Heartcore focuses on industries including tech, health, real estate, finance, and entertainment. Their portfolio includes FlexAI, Zefir, Travel Perk, Podimo, and Taster. They aim to support founders in creating impactful consumer-focused brands, helping driven entrepreneurs turn their ideas into successful businesses.
Offices:
Copenhagen (HQ)
Berlin
Paris
Stockholm
Lisbon
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 :
A European private equity firm focused on the mid-market segment, financing SMBs at different stages of growth.
Offices:
No data available
Investment Stage:
Seed, Series A, Series B, Series C, Series D, Series E, Series F
Check Size:
$2.5M - $250M
Industries:
Health Tech, FinTech, Crypto & web3
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
Khosla Ventures is a venture capital firm investing in companies operating in a diverse range of technology sectors such as energy, transportation, space, financial, software, hardware, big data, agriculture, food, education, and materials. Khosla Ventures is headquartered in Menlo Park, California, and was founded by Vinod Khosla in 2004.
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in :
No data available
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 :
Khosla Ventures is a venture capital firm investing in companies operating in a diverse range of technology sectors such as energy, transportation, space, financial, software, hardware, big data, agriculture, food, education, and materials. Khosla Ventures is headquartered in Menlo Park, California, and was founded by Vinod Khosla in 2004.
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in :
No data available
Khosla Ventures is a venture capital firm investing in companies operating in a diverse range of technology sectors such as energy, transportation, space, financial, software, hardware, big data, agriculture, food, education, and materials. Khosla Ventures is headquartered in Menlo Park, California, and was founded by Vinod Khosla in 2004.
Offices:
Menlo Park (HQ)
Menlo Park (HQ)
Menlo Park (HQ)
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Series F, Unknown
Check Size:
$100k - $500M
Industries:
Health Tech, Crypto & web3, Foodtech
Top investments in :
Local Globe is a venture capital fund based in London, investing in companies from pre-seed to Series C stages. They support businesses across diverse industries, including e-commerce, mobility, and climate tech. Notable investments include Qogita and Sylvera. Local Globe aims to help young companies grow and make a positive impact in their sectors.
Offices:
London (HQ)
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Unknown
Check Size:
$100k - $250M
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:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in :
No data available
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 :
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
HV Capital is a venture capital and private equity firm in Müchen Bayern.
Offices:
Berlin
Munich (HQ)
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Series F, Unknown
Check Size:
$100k - $250M
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in :
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 :
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 :
A microventure capital firm in London that focuses on nurturing the potential in exceptional founding teams.
Offices:
London (HQ)
Investment Stage:
Seed, Series A, Series B, Series C, Unknown
Check Size:
$100k - $250M
Industries:
Health Tech, FinTech, Crypto & web3
Top investments in :
First Mark Capital is a venture capital firm in New York that focuses on partnering with entrepreneurs who are changing the world by solving meaningful problems.
Offices:
No data available
Investment Stage:
Seed, Series A, Series B, Series C, Series D, Series E
Check Size:
$100k - $500M
Industries:
FinTech, Crypto & web3, Hardware
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 :