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

Last update to the database: Sep 24, 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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List of 30 top VCs

Benchmark is a venture capital fund based in San Francisco and Woodside. It invests in startups at various stages, including seed, Series B, and Series C, focusing primarily on fintech, AI, and developer tools. Benchmark works closely with entrepreneurs, often taking board seats and offering hands-on support. They manage a $425 million fund, operated by five equal partners with no junior investment staff. Notable investments include Zopa, Leya, and Contentful, and their portfolio spans both emerging private companies and established public firms.

55

Offices:

No data available

Investment Stage:

Seed, Series A, Series B, Series C

Check Size:

$20M - $30M

Industries:

Developer Tools, AI, fintech

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:

Investing, Edtech, Machine learning

Top investments in :

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

Accel is a venture capital firm based in Palo Alto, investing in companies from pre-seed to series G with check sizes ranging from $1 million to $20 million. They support entrepreneurs across various industries, including fintech, health tech, and AI. Notable investments include Monzo, BlaBlaCar, Qogita, Synthesia, and Tines. Accel aims to help a global community of entrepreneurs grow and succeed.

50

Offices:

London

Palo Alto (HQ)

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, Business Intelligence, Privacy and Security

Top investments in :

Monzo (
87)
, 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)

New York

San Francisco

London (HQ)

New York

San Francisco

Investment Stage:

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

Check Size:

$100k - $500M

Industries:

Developer Tools, Media and Entertainement, Edtech

Top investments in :

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

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

Check Size:

$5M - $10M

Industries:

Data and Analytics, Biotech, Health Tech

Top investments in :

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

Top investments in :

Thryve (
43)

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:

Business Intelligence, Privacy and Security, Hardware

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:

Data and Analytics, Adtech, Health Tech

Top investments in :

TIER Mobility (
70)
, Wayve (
61)
, Zopa (
61)

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:

Cloud, Developer Tools

Top investments in :

Algolia (
70)

Omers Ventures is a global venture capital fund based in Toronto with additional offices in Palo Alto and London. They invest from seed to series E, focusing on sectors such as e-commerce, fintech, AI, and health tech. They have backed companies like Northvolt, PrimaryBid, Cerbos, HelloSelf, and Firstvet. Omers Ventures supports early-stage startups by providing financial resources and strategic guidance to help businesses scale.

44

Offices:

London

Toronto (HQ)

Palo Alto

Investment Stage:

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

Check Size:

$100k - $1B

Industries:

Ecommerce, Fitness, Business Intelligence

Top investments in :

Northvolt (
65)
, PrimaryBid (
60)
, Wefox (
60)

Alven Capital is a venture capital fund based in Paris, investing in startups from pre-seed to series D across industries such as fintech, AI, and cybersecurity. They typically invest between €500,000 and €1,000,000. With over 20 years of experience, they have backed more than 160 startups, including notable companies like Meero and Qonto. Alven Capital leverages its experience and resources to help ambitious founders grow and succeed.

42

Offices:

Paris (HQ)

London

Investment Stage:

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

Check Size:

$500k - $1B

Industries:

Business Intelligence, Privacy and Security, Service industry

Top investments in :

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

Series C, Series D

Check Size:

$250M - $500M

Industries:

Cloud, Developer Tools

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:

Cloud, Developer Tools

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:

Sales and Marketing, Manufacturing, Biotech

Top investments in :

Mainstay Medical (
56)
, Contentful (
52)

Sapphire Ventures is a fund of funds and venture capital firm in California that focuses on helping technology companies become Companies of Consequence

36

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

36

Offices:

No data available

Investment Stage:

Series B, Series C, Series D

Check Size:

$20M - $40M

Industries:

Privacy and Security, Developer Tools, Sales and Marketing

Top investments in :

Scytl (
56)
, Contentful (
52)
, Matillion (
33)

Storm Ventures is an early-stage venture capital fund that invests in B2B companies with strong customer feedback and impactful software. Focusing on sectors such as cloud, AI, and ecommerce, they support companies from seed to series C stages. Notable investments include Retorio, Algolia, and Syte. They aim to help ambitious teams grow into industry leaders, regardless of location.

34

Offices:

No data available

Investment Stage:

Seed, Series A, Series B, Series C

Check Size:

$10M - $250M

Industries:

Developer Tools, Ecommerce, Fitness

Top investments in :

Algolia (
70)
, Syte (
52)
, Retorio (
41)

A venture capital firm in London that focuses on technologies.

33

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 focuses on technologies.

33

Offices:

London (HQ)

London (HQ)

Investment Stage:

Debt Financing, Seed, Series A, Series B, Series C, Series D, Series E, Series F, Unknown

Check Size:

$100k - $500M

Industries:

AR / VR, Climate Tech & Green Tech, Technology

Top investments in :

Tessian (
70)
, VIRTUO (
70)
, Wagestream Ltd (
70)

Passion Capital is an early-stage venture capital firm based in London. They invest in seed, series A, and later stages, focusing on industries like health tech, fintech, and cybersecurity. Notable investments include Monzo, PolyAI, and Butternut Box. Passion Capital aims to support innovative startups with checks of varying sizes.

31

Offices:

London (HQ)

Investment Stage:

Angel, Pre Seed, Seed, Series A, Series B, Series C, Series E, Series F, Unknown

Check Size:

$100k - $250M

Industries:

Business Intelligence, Privacy and Security, Service industry

Top investments in :

Monzo (
87)
, Attio (
61)
, Butternut Box (
60)

500 Global, formerly known as 500 Startups, is a venture capital firm discovering and backing entrepreneurs.

30

Offices:

No data available

Investment Stage:

No data available

Check Size:

$100k - $500k

Industries:

No data available

Top investments in :

No data available

500 Global, formerly known as 500 Startups, is a venture capital firm discovering and backing entrepreneurs.

30

Offices:

No data available

Investment Stage:

Pre Seed, Seed, Series A

Check Size:

$100k - $250M

Industries:

Business Intelligence, Cloud, AI

Top investments in :

Algolia (
70)
, Lingokids (
52)
, ikas (
46)

Acequia Capital is a venture fund that supports early-stage startups from pre-seed to Series B. They invest in technology, biotech, and manufacturing sectors, backing companies like Tractable and Algolia. Their experienced team and extensive network help founders build global businesses, offering resources and guidance to fuel technical innovation.

30

Offices:

No data available

Investment Stage:

Pre Seed, Seed, Series A, Series B

Check Size:

$1M - $250M

Industries:

Cloud, AI, Deep Tech

Top investments in :

Algolia (
70)
, Tractable (
60)
, Insempra (
60)

Firstminute Capital is a venture fund based in London, focusing on early-stage investments from pre-seed to Series B, with check sizes ranging from $1 million to $5 million. They invest across various industries, including tech, health, and finance. Notable investments include Shop Circle and Nabla. Supported by 30 unicorn founders and global leaders, Firstminute Capital aims to help startups grow and succeed globally.

29

Offices:

London (HQ)

Investment Stage:

Pre Seed, Seed, Series A, Series B, Unknown

Check Size:

$100k - $70M

Industries:

Climate Tech & Green Tech, Business Intelligence, Privacy and Security

Top investments in :

Wayve (
61)
, Shop Circle (
60)
, Argent (
56)

German venture capital firm investing on companies globally.

28

Offices:

Berlin (HQ)

Investment Stage:

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

Check Size:

$100k - $250M

Industries:

Data and Analytics, Health Tech, Travel Tech

Top investments in :

Algolia (
70)
, TIER Mobility (
70)
, Factorial (
65)