30 Best Active Application programming interface (API) Investors in 2024

Last update to the database: Dec 10, 2024. See changelog.


Icon 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.

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Seedtable Scale includes a comprehensive database of 1,000+ active European and global investors.

List of 30 top VCs

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 :

Zopa (
61)
, Contentful (
52)
, Leya (
44)

General Catalyst is a venture capital firm that invests in early-stage start-ups in education, research, health care, and social work.

52

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 :

Mistral AI (
87)
, Helsing (
83)
, Monzo (
83)

Accel is an early and growth-stage venture capital firm that helps a global community of entrepreneurs.

50

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 :

Monzo (
83)
, Algolia (
70)
, Hopin (
70)

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.

50

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.

50

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 :

Algolia (
70)
, GetHarley (
70)
, Alan (company) (
70)

A venture capital firm in London that is focused on UK based start-ups in Fintech and Enterprise software

50

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 firm in London that is focused on UK based start-ups in Fintech and Enterprise software

50

Offices:

London (HQ)

London (HQ)

Investment Stage:

Seed, Series A, Series B, Series C, Unknown

Check Size:

$2.5M - $100M

Industries:

Health Tech, Edtech, FinTech

Top investments in :

Monese (
65)
, Peppy (
60)
, PrimaryBid (
60)

Offices:

No data available

Investment Stage:

No data available

Check Size:

$100k - $500k

Industries:

No data available

Top investments in :

No data available

Offices:

No data available

Investment Stage:

Seed, Series A, Series B

Check Size:

$5M - $40M

Industries:

Health Tech, AI, Biotech

Top investments in :

Aignostics (
52)
, Thryve (
43)
, Epignostix (
25)

Capricorn Venture Partners invests in European clean technology, health technology, and ICT companies.

50

Offices:

No data available

Investment Stage:

No data available

Check Size:

$100k - $500k

Industries:

No data available

Top investments in :

No data available

Capricorn Venture Partners invests in European clean technology, health technology, and ICT companies.

50

Offices:

No data available

Investment Stage:

Series A

Check Size:

$5M - $10M

Industries:

Data and Analytics, Technology, Software as a service (SaaS)

Top investments in :

Thryve (
43)

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.

49

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.

49

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 :

Mistral AI (
87)
, Blockchain (company) (
60)
, Matter Labs (
60)

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.

48

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 :

Mistral AI (
87)
, Hyperexponential (
75)
, Hopin (
70)

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.

46

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 :

NFL ALL DAY (
70)
, TIER Mobility (
70)
, TravelPerk (
70)

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 :

Stability AI (
48)
, Upstream Health (
48)
, Silverflow (
44)

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.

46

Offices:

No data available

Investment Stage:

Series D

Check Size:

$250M - $500M

Industries:

Developer Tools, Cloud

Top investments in :

Algolia (
70)

U.S-based venture capital firm investing on companies worldwide.

45

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 :

Stability AI (
48)
, Loyal Guru (
41)

OMERS Ventures is the venture investment arm of OMERS. It focuses on technology companies.

44

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 :

Northvolt (
65)
, PrimaryBid (
60)
, wefox (
60)

Seedcamp is a European investment firm and seed fund founded by Reshma Sohoni and Saul Klein in 2007.

43

Offices:

No data available

Investment Stage:

No data available

Check Size:

$100k - $500k

Industries:

No data available

Top investments in :

No data available

Seedcamp is a European investment firm and seed fund founded by Reshma Sohoni and Saul Klein in 2007.

43

Offices:

London (HQ)

London (HQ)

Investment Stage:

Pre Seed, Seed, Series A, Series B, Series C, Series D, Unknown

Check Size:

$100k - $1B

Industries:

Climate Tech & Green Tech, Health Tech, Edtech

Top investments in :

Hopin (
70)
, NFL ALL DAY (
70)
, Synthesia (
70)

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.

42

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 :

Algolia (
70)
, Ankorstore (
60)
, Kaiko (
60)

Intel is a venture capital fund investing in Series B stage companies, particularly in data and AI. They typically write checks ranging from $500,000 to $10 million. One notable investment is Stability AI. Intel aims to support groundbreaking innovations and practical enhancements, from self-driving cars to improved shopping experiences, all with the goal of creating a better future through technology.

38

Offices:

No data available

Investment Stage:

Series B

Check Size:

$30M - $40M

Industries:

AI, Open source

Top investments in :

Stability AI (
48)

Fourth Revolution Capital (4RC) is a seed-stage venture capital fund specializing in data, analytics, AI, and art. Believing in the transformative potential of decentralized computing and web3 networks, 4RC plays an active role in helping companies find market fit and grow sustainably. Their support includes designing tokenomics, providing liquidity, engaging in governance, and offering marketing and developer resources. A notable investment is Stability AI.

38

Offices:

No data available

Investment Stage:

Seed

Check Size:

$250M - $500M

Industries:

AI, Open source

Top investments in :

Stability AI (
48)

Offices:

No data available

Investment Stage:

No data available

Check Size:

$100k - $500k

Industries:

No data available

Top investments in :

No data available

Offices:

No data available

Investment Stage:

Series C, Series D

Check Size:

$250M - $500M

Industries:

Developer Tools, Cloud

Top investments in :

Algolia (
70)

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.

38

Offices:

No data available

Investment Stage:

Seed

Check Size:

$250M - $500M

Industries:

Developer Tools, Cloud

Top investments in :

Algolia (
70)

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.

37

Offices:

No data available

Investment Stage:

No data available

Check Size:

$100k - $500k

Industries:

No data available

Top investments in :

No data available

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.

37

Offices:

No data available

Investment Stage:

Debt Financing

Check Size:

$20M - $50M

Industries:

Health Tech, Hardware, Biotech

Top investments in :

Mainstay Medical (
56)
, Contentful (
52)

Technology investment arm of Albion Capital investing in technology startups in the United Kingdom

36

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 :

Achilles Therapeutics (
60)
, Elliptic (
60)
, Oviva (
60)