30 Best Active Application programming interface (API) Investors in 2025
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
Accel is an early and growth-stage venture capital firm that helps a global community of entrepreneurs.
Offices:
Palo Alto (HQ)
London
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series D, Series E, Series F, Series G, Unknown
Check Size:
$100k - $1B
Industries:
Climate Tech & Green Tech, Health Tech, FinTech
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 :
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 :
500 Global, formerly known as 500 Startups, is a venture capital firm discovering and backing entrepreneurs.
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in :
No data available
Lone Pine Capital is a venture capital fund specializing in Series D investments. Founded in 1997, it focuses on developer tools and cloud industries, tailoring investments to support company growth. The fund combines detailed research with a collaborative team to create concentrated portfolios, targeting top opportunities in public and private markets. Notable investments include Algolia.
Offices:
No data available
Investment Stage:
Series D
Check Size:
$250M - $500M
Industries:
Developer Tools, Cloud
Top investments in :
500 Global, formerly known as 500 Startups, is a venture capital firm discovering and backing entrepreneurs.
Offices:
No data available
Investment Stage:
Pre Seed, Seed, Series A, Unknown
Check Size:
$100k - $250M
Industries:
Health Tech, Edtech, AI
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 :
Offices:
No data available
Investment Stage:
Seed, Series A, Series B, Series C
Check Size:
$20M - $30M
Industries:
FinTech, AI, Legal Tech
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 :
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
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 :
OMERS Ventures is the venture investment arm of OMERS. It focuses on technology companies.
Offices:
Toronto (HQ)
London
Palo Alto
Investment Stage:
Seed, Series A, Series B, Series C, Series D, Series E, Unknown
Check Size:
$100k - $1B
Industries:
Health Tech, FinTech, Foodtech
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 :
Zillionize supports early-stage startups, particularly those developing tools for developers and utilizing cloud technology. Having backed over 100 successful startups, including Algolia, Zillionize seeks companies with significant growth potential and helps them achieve their goals.
Offices:
No data available
Investment Stage:
Seed
Check Size:
$250M - $500M
Industries:
Developer Tools, Cloud
Top investments in :
Acequia Capital is a micro venture capital from Seattle, Washington.
Offices:
No data available
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C
Check Size:
$1M - $250M
Industries:
Health Tech, Gaming, AI
Top investments in :
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in :
No data available
Storm Ventures is a venture capital firm investing in enterprise software companies.
Offices:
No data available
Investment Stage:
Seed, Series A, Series B, Series C
Check Size:
$10M - $250M
Industries:
Edtech, Hardware, AI
Top investments in :
Offices:
No data available
Investment Stage:
Series C, Series D
Check Size:
$250M - $500M
Industries:
Developer Tools, Cloud
Top investments in :
SoftBank Group, based in London, is a venture capital fund that invests in companies across various growth stages. The fund targets sectors such as health tech, finance, and communications. Notable investments include Travel Perk, Dice, Infogrid, Robin AI, and OneWeb. SoftBank Group aims to support projects with growth potential and positive social impact, providing financial backing tailored to each company's development needs.
Offices:
London (HQ)
Mountain View
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:
$500k - $1B
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 :
Sapphire Ventures is a fund of funds and venture capital firm in California that focuses on helping technology companies become Companies of Consequence
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in :
No data available
Sapphire Ventures is a fund of funds and venture capital firm in California that focuses on helping technology companies become Companies of Consequence
Offices:
No data available
Investment Stage:
Series B, Series C, Series D, Series E
Check Size:
$20M - $250M
Industries:
Legal Tech, Cybersecurity, Data and Analytics
Top investments in :
Y Combinator (also known as YC) is a US-based seed accelerator, which was started in March 2005.
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in :
No data available
Y Combinator (also known as YC) is a US-based seed accelerator, which was started in March 2005.
Offices:
Mountain View (HQ)
Mountain View (HQ)
Investment Stage:
Pre Seed, Seed, Series A, Series B, Series C, Series F, Unknown
Check Size:
$100k - $1B
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in :
German venture capital firm investing on 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
German venture capital firm investing on 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
German venture capital firm investing on companies globally.
Offices:
Berlin (HQ)
Berlin (HQ)
Berlin (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 :
Firstminute Capital is a $100m European seed-stage venture capital fund founded in 2017 by Brent Hoberman.
Offices:
London (HQ)
Investment Stage:
Pre Seed, Seed, Series A, Series B, Unknown
Check Size:
$100k - $70M
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in :
Armentum is a venture capital fund specializing in debt financing for healthcare and technology companies. It provides non-dilutive working and growth capital to optimize capital structures. Notable investments include Mainstay Medical and Contentful. The team has completed over 500 transactions in investment banking, corporate finance, and strategic advisory. Armentum serves public and private companies, private equity investors, and Boards of Directors. Securities are offered through LCT Capital, LLC, a registered broker-dealer.
Offices:
No data available
Investment Stage:
Debt Financing
Check Size:
$20M - $50M
Industries:
Health Tech, Hardware, Biotech
Top investments in :