Top Active Series A Investors & VCs Funding Startups in the US in 2025

Last update to database: April 20, 2026

Leading Growth-Stage Investors & Venture Capital Firms Funding Series A Startups Across the US

Series A funding continues to define a critical growth stage for US startups in 2025, helping founders scale proven products and expand into new markets. The top active Series A investors and VCs funding startups in the US are backing companies in AI, SaaS, fintech, health tech, and climate tech—sectors attracting the most venture capital activity this year.


These investors specialize in transforming early traction into sustainable growth, providing the capital, strategic guidance, and networks startups need to reach Series B and beyond. Many are headquartered in San Francisco, New York, Austin, and Boston, while others are global firms actively funding Series A rounds across the United States.


Our database highlights investors currently funding and supporting Series A startups in the US. Updated weekly, it offers founders, analysts, and business-development teams real-time visibility into who’s actively investing at the growth-stage level across America.

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Comprehensive Database of Active Series A Investors & VCs Funding US Startups – Updated Weekly

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Investor Name
Industry Focus Recent Investments Recent Investment Date Check Size Stage Focus Geography Focus Company Headquarters Firm Type Portfolio Size Portfolio Highlights Co-Investor Network
Andreessen Horowitz Artificial Intelligence, Biotechnology, Blockchain & Cryptocurrency, Financial Services & FinTech, Gaming Subscribe to Unlock Subscribe to Unlock April, 2026 $500k–$1M Pre-seed, Seed, Series A, Series B, Growth, Late-stage North America, United States Menlo Park, California, United States Venture Capital 1000 Subscribe to Unlock Subscribe to Unlock Thrive Capital, General Catalyst, Alumni Ventures, Sequoia Capital, Accel
645 Ventures SaaS & Software, Financial Services & FinTech, Business & Professional Services, Information Technology, Data & Analytics Subscribe to Unlock Subscribe to Unlock March, 2026 $250k-$500k Seed, Series A, Series B United States, New York, San Francisco New York, New York, United States Venture Capital 75 Subscribe to Unlock Subscribe to Unlock Unknown
Transformation Capital Health Care & Wellness, SaaS & Software, Information Technology, Enterprise Applications, High Tech Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Seed, Series A United States, Ireland Boston, Massachusetts, United States Venture Capital 61 Subscribe to Unlock Subscribe to Unlock Lightspeed Venture Partners, E14 Fund, Allumia Ventures
Spark Capital Enterprise Applications, Artificial Intelligence, Financial Services & FinTech, Web3 & Blockchain & Cryptocurrency, Marketplaces Subscribe to Unlock Subscribe to Unlock April, 2026 $1M-$10M Seed, Series A, Series B United States, San Francisco, Boston, New York City San Francisco, California, United States Venture Capital 326 Subscribe to Unlock Subscribe to Unlock SV Angel, Tiger Global Management, SoftBank Vision Fund, Andreessen Horowitz
Emergence Capital SaaS & Software, Artificial Intelligence, Business & Professional Services, Financial Services & FinTech, Information Technology Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Seed, Series A United States, San Francisco San Francisco, California, United States Venture Capital 40 Subscribe to Unlock Subscribe to Unlock Unknown
Haystack SaaS & Software, Artificial Intelligence, Information Technology, Data & Analytics, Web & Internet Platforms Subscribe to Unlock Subscribe to Unlock April, 2026 $500k-$1M Pre-Seed, Seed United States San Francisco, California, United States Venture Capital 50 Subscribe to Unlock Subscribe to Unlock Unknown
Congruent Ventures Energy, GreenTech & Sustainability, Hardware, SaaS & Software, Data & Analytics Subscribe to Unlock Subscribe to Unlock March, 2026 $500k–$1M Pre-seed, Seed, Series A United States, Canada San Francisco, California, United States Venture Capital 58 Subscribe to Unlock Subscribe to Unlock Prelude Ventures, Climate Capital, DOE, National Science Foundation, Wellington
Seven Seven Six Financial Services & FinTech, SaaS & Software, Information Technology, Health Care & Wellness, Business & Professional Services Subscribe to Unlock Subscribe to Unlock March, 2026 $500k–$1M Pre-Seed, Seed, Series A, Series B United States, San Francisco, Florida Palm Beach Gardens, Florida, United States Venture Capital 164 Subscribe to Unlock Subscribe to Unlock Initialized Capital, Shrug Capital, Andreessen Horowitz, Gaingels, BBG Ventures
The Schooner Foundation Artificial Intelligence, SaaS & Software, Health Care & Wellness, Financial Services & FinTech, Manufacturing Subscribe to Unlock Subscribe to Unlock April, 2026 $10M-$20M Pre-Seed, Seed, Series A, Series B, Series C, Series D United States, Europe, Asia Wilmington, North Carolina, United States Venture Capital 39 Subscribe to Unlock Subscribe to Unlock Chevron Technology Ventures, Asahi Kasei, Alexandria, Rally Ventures, Proeza Ventures
Sequoia Capital Energy, Financial Services & FinTech, Health Care & Wellness, Information Technology, SaaS & Software Subscribe to Unlock Subscribe to Unlock April, 2026 $1M-$10M Seed, Series A, Series B, Growth United States, China, India Menlo Park, California, United States Venture Capital 1605 Subscribe to Unlock Subscribe to Unlock Lightspeed Venture Partners, In-Q-Tel, 8VC, Pantera Capital, Kleiner Perkins
YL Ventures Cyber Security & Privacy, Communications and Information Technology, Business & Professional Services Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Seed, Series A, Series B United States, Israel Mill Valley, California, United States Venture Capital 35 Subscribe to Unlock Subscribe to Unlock StoneMill Ventures, JVP, OurCrowd, Ten Eleven Ventures, Stripes
Cyberstarts Cyber Security & Privacy, Financial Services & FinTech, Information Technology Subscribe to Unlock Subscribe to Unlock April, 2026 $1M-$10M Seed, Series A, Series B Israel, North America Michmoret, Israel Venture Capital 40 Subscribe to Unlock Subscribe to Unlock Unknown
Accel SaaS & Software, Information Technology, Financial Services & FinTech, Health Care & Wellness, Artificial Intelligence Subscribe to Unlock Subscribe to Unlock April, 2026 $1M-$10M Seed, Series A, Series B, Series C, Series D United States, United Kingdom, India, China Palo Alto, California, United States Venture Capital 1133 Subscribe to Unlock Subscribe to Unlock Y Combinator, Sequoia Capital, Tiger Global Management, Insight Partners, Lightspeed Venture Partners
CQuence Health Health Care & Wellness, Biotechnology, Data & Analytics, Medical Devices, SaaS & Software Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Seed, Series A, Series B United States, Omaha, Nebraska Omaha, Nebraska, United States Venture Capital 11 Subscribe to Unlock Subscribe to Unlock Unknown
Footwork Consumer technology, Enterprise technology, SaaS & Software, Artificial Intelligence, Financial Services & FinTech Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Seed, Series A United States, San Francisco San Francisco, California, United States Venture Capital 21 Subscribe to Unlock Subscribe to Unlock Unknown
Sutter Hill Ventures Data & Analytics, SaaS & Software, Artificial Intelligence, Business & Professional Services, Information Technology Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Pre-Seed, Seed, Series A, Series B, Series C, Series D United States, United Kingdom Palo Alto, California, United States Venture Capital 312 Subscribe to Unlock Subscribe to Unlock Unknown
Zero Infinity Partners Energy, Power, Mobility, Logistics, Digital Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Seed, Series A, Series B United States, Europe, Asia New York, New York, United States Venture Capital 25 Subscribe to Unlock Subscribe to Unlock Alumni Ventures, B Capital, Lockheed Martin, Outlander VC, Scout Ventures
Felicis Artificial Intelligence, Health Care & Wellness, Financial Services & FinTech, SaaS & Software, Security Subscribe to Unlock Subscribe to Unlock April, 2026 $1M-$10M Pre-Seed, Seed, Series A United States, Canada, Australia, Brazil, Mexico, Ireland, Israel, Netherlands, Philippines, Singapore, France, Germany, United Kingdom, Armenia, Hong Kong, Bulgaria, Czech Republic, Estonia, Turkey, Finland Menlo Park, California, United States Venture Capital 200 Subscribe to Unlock Subscribe to Unlock Sequoia, Andreessen Horowitz, Accel, Benchmark Capital, Tiger Global
Greycroft SaaS & Software, Artificial Intelligence, Sustainability, Consumer Brands, Financial Services & FinTech Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Seed, Series A, Series B, Series C United States New York, New York, United States Venture Capital 400 Subscribe to Unlock Subscribe to Unlock Sequoia Capital, Andreessen Horowitz, Accel, Lightspeed Venture Partners, General Catalyst
Drive Capital SaaS & Software, Financial Services & FinTech, Artificial Intelligence, Health Care & Wellness, Data & Analytics Subscribe to Unlock Subscribe to Unlock April, 2026 $1M-$10M Seed, Series A, Series B United States, North America Columbus, Ohio, United States Venture Capital 100 Subscribe to Unlock Subscribe to Unlock Sequoia Capital, Andreessen Horowitz, Tiger Global Management, Accel, Bessemer Venture Partners
Eniac Ventures Artificial Intelligence, SaaS & Software, Apps & Platforms, Business & Professional Services, Information Technology Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Seed, Series A United States New York, New York, United States Venture Capital 60 Subscribe to Unlock Subscribe to Unlock Unknown
8VC Artificial Intelligence, Financial Services & FinTech, Health Care & Wellness, Logistics & Transportation, SaaS & Software Subscribe to Unlock Subscribe to Unlock April, 2026 $500k–$1M Pre-seed, Seed, Series A, Series B, Growth, Late-stage United States, San Francisco, Austin Austin, Texas, United States Venture Capital 100 Subscribe to Unlock Subscribe to Unlock 9Yards Capital, Sequoia Capital, Andreessen Horowitz, Lightspeed, Founders Fund
Threshold Ventures SaaS & Software, Health Care & Wellness, Information Technology, Business & Professional Services, Enterprise Applications Subscribe to Unlock Subscribe to Unlock March, 2026 $10M-$20M Series A, Series B United States Menlo Park, California, United States Venture Capital 74 Subscribe to Unlock Subscribe to Unlock Kleiner Perkins, Insight Partners, Tiger Global Management, Founders Fund
S3 Ventures Business & Professional Services, Information Technology, Health Care & Wellness, Apps & Platforms, SaaS & Software Subscribe to Unlock Subscribe to Unlock March, 2026 $500k-$1M Seed, Series A, Series B United States, Texas, Austin Austin, Texas, United States Venture Capital 60 Subscribe to Unlock Subscribe to Unlock Unknown
Lux Capital High Tech, Enterprise Applications, Health Care & Wellness, Life Sciences, Enterprise Infrastructure Subscribe to Unlock Subscribe to Unlock April, 2026 $10M–$20M Seed, Series A United States, Canada, United Kingdom, Ghana, Ireland New York, New York, United States Venture Capital 280 Subscribe to Unlock Subscribe to Unlock Founders Fund, Y Combinator, Sequoia Capital, General Catalyst, Google Ventures
Insight Partners SaaS & Software, Cyber Security & Privacy, Financial Services & FinTech, Health Care & Wellness, Information Technology Subscribe to Unlock Subscribe to Unlock April, 2026 $10M–$20M Series A, Series B, Growth, Late-stage United States, Europe, Israel New York, New York, United States Venture Capital 800 Subscribe to Unlock Subscribe to Unlock Sequoia Capital, Accel, Tiger Global Management, TCV
General Catalyst Artificial Intelligence, Health Care & Wellness, Financial Services & FinTech, SaaS & Software, Enterprise Subscribe to Unlock Subscribe to Unlock April, 2026 $1M–$10M Seed, Series A, Series B, Growth North America, Europe, Asia Cambridge, Massachusetts, United States Venture Capital 800 Subscribe to Unlock Subscribe to Unlock GC Famiglia (community of CEOs, founders, partners, policymakers)
FirstMark SaaS & Software, Financial Services & FinTech, Information Technology, Apps & Platforms, Artificial Intelligence Subscribe to Unlock Subscribe to Unlock April, 2026 $250k-$10M Seed, Series A, Series B North America, United States, New York City New York, New York, United States Venture Capital 130 Subscribe to Unlock Subscribe to Unlock Sequoia Capital, Accel, Andreessen Horowitz, Lightspeed Venture Partners
Boldstart Ventures Artificial Intelligence, SaaS & Software, Cyber Security & Privacy Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Pre-Seed, Seed United States Miami, Florida, United States Venture Capital 20 Subscribe to Unlock Subscribe to Unlock Andreessen Horowitz, Acrew Capital, Norwest, Redpoint, Battery
Lifeforce Capital Health Care & Wellness, SaaS & Software, Business & Professional Services, Financial Services & FinTech, Artificial Intelligence Subscribe to Unlock Subscribe to Unlock March, 2026 $500k-$1M Seed, Series A, Series B United States, San Francisco San Francisco, California, United States Venture Capital 55 Subscribe to Unlock Subscribe to Unlock Peterson Ventures, M13 Company, Mangusta Capital
Abstract Business & Professional Services, SaaS & Software, Artificial Intelligence, Financial Services & FinTech, Health Care & Wellness Subscribe to Unlock Subscribe to Unlock March, 2026 $250k-$500k Pre-Seed, Seed, Series A, Series B North America, Europe, Asia, South America San Francisco, California, United States Venture Capital 250 Subscribe to Unlock Subscribe to Unlock Union Square Ventures, Andreessen Horowitz, Google Ventures, Kleiner Perkins, Founders Fund
White Star Capital Apps & Platforms, Artificial Intelligence, Blockchain & Cryptocurrency, Financial Services & FinTech, SaaS & Software Subscribe to Unlock Subscribe to Unlock April, 2026 $1M-$10M Seed, Series A, Series B North America, Europe, Asia London, United Kingdom Venture Capital 80 Subscribe to Unlock Subscribe to Unlock Unknown
Susa Ventures Artificial Intelligence, Financial Services & FinTech, Health Care & Wellness, SaaS & Software, Logistics & Transportation Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Pre-Seed, Seed United States San Francisco, California, United States Venture Capital 100 Subscribe to Unlock Subscribe to Unlock Unknown
Ballistic Ventures Cyber Security & Privacy, Artificial Intelligence, SaaS & Software, Data & Analytics, Information Technology Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Pre-Seed, Seed, Series A United States San Francisco, California, United States Venture Capital 24 Subscribe to Unlock Subscribe to Unlock CrowdStrike, Palo Alto Networks, ServiceNow, AT&T, Hewlett-Packard
MMC Ventures Artificial Intelligence, Data & Analytics, Financial Services & FinTech, SaaS & Software, Enterprise Software Subscribe to Unlock Subscribe to Unlock March, 2026 $500k-$1M Seed, Series A Europe, United Kingdom London, England, United Kingdom Venture Capital 30 Subscribe to Unlock Subscribe to Unlock Unknown
NextView Ventures SaaS & Software, Marketing, Advertising & Sales, E-Commerce & Retail, Artificial Intelligence, Health Care & Wellness Subscribe to Unlock Subscribe to Unlock April, 2026 $250k-$500k Pre-Seed, Seed North America, United States, San Francisco, New York, Boston New York, New York, United States Venture Capital 258 Subscribe to Unlock Subscribe to Unlock Felicis Ventures, Cobalt Ventures, Vela Partners, HTwenty, Collide
Kindred Ventures Artificial Intelligence, GreenTech & Sustainability, Financial Services & FinTech, Health Care & Wellness, Logistics & Transportation Subscribe to Unlock Subscribe to Unlock April, 2026 $100k-$250k Pre-Seed, Seed United States, France, Brazil, United Kingdom San Francisco, California, United States Venture Capital 100 Subscribe to Unlock Subscribe to Unlock Unknown
Ten Eleven Ventures Cyber Security & Privacy, Information Technology, Communication & IT, Financial Services & FinTech Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Seed, Series A, Series B United States Burlingame, United States Venture Capital 40 Subscribe to Unlock Subscribe to Unlock Unknown
Bessemer Artificial Intelligence, Biotechnology, Cyber Security & Privacy, Financial Services & FinTech, SaaS & Software Subscribe to Unlock Subscribe to Unlock April, 2026 $1M–$10M Seed, Series A, Series B, Series C North America, Europe, Israel, India San Francisco, California, United States Venture Capital 390 Subscribe to Unlock Subscribe to Unlock Unknown
Adjacent Mobile Technology, SaaS & Software, Hardware, Consumer, Deeptech Subscribe to Unlock Subscribe to Unlock March, 2026 $100k-$1M Seed United States Syracuse, New York, United States Venture Capital 40 Subscribe to Unlock Subscribe to Unlock Unknown
CRV SaaS & Software, Financial Services & FinTech, Information Technology, Apps & Platforms, Enterprise Software Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Seed, Series A, Series B United States Palo Alto, California, United States Venture Capital 750 Subscribe to Unlock Subscribe to Unlock Sequoia Capital, Andreessen Horowitz, Accel, Benchmark, Greylock Partners
Addition Enterprise Applications, Financial Services & FinTech, Enterprise Infrastructure, High Tech, Retail Subscribe to Unlock Subscribe to Unlock April, 2026 $20M+ Series A, Series B, Series C, Series D United States, India, Germany, United Kingdom, Singapore New York, New York, United States Venture Capital 70 Subscribe to Unlock Subscribe to Unlock Tanglin Venture Partners, Tiger Global Management, Y Combinator
SignalFire Health Care & Wellness, SaaS & Software, Cyber Security & Privacy, Artificial Intelligence, Financial Services & FinTech Subscribe to Unlock Subscribe to Unlock April, 2026 $1M-$10M Seed, Series A, Series B, Series C, Series D United States, San Francisco San Francisco, California, United States Venture Capital 600 Subscribe to Unlock Subscribe to Unlock Unknown
Atlas Venture Biotechnology, Health Care & Wellness, Science & Engineering, SaaS & Software, Artificial Intelligence Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Seed, Series A United States Cambridge, Massachusetts, United States Venture Capital 10 Subscribe to Unlock Subscribe to Unlock Sequoia Capital, Y Combinator, Third Rock Ventures, Flagship Pioneering, F-Prime Capital
Gradient Artificial Intelligence, Data & Analytics, SaaS & Software, Information Technology, Apps & Platforms Subscribe to Unlock Subscribe to Unlock March, 2026 $1M-$10M Pre-Seed, Seed, Series A North America, United States San Francisco, California, United States Venture Capital 173 Subscribe to Unlock Subscribe to Unlock Google Ventures, Sequoia Capital, Andreessen Horowitz, Accel, Lightspeed Venture Partners
Greylock Partners Artificial Intelligence, Cyber Security & Privacy, SaaS & Software, Financial Services & FinTech, Apps & Platforms Subscribe to Unlock Subscribe to Unlock April, 2026 $1M-$10M Pre-Seed, Seed, Series A United States Menlo Park, California, United States Venture Capital 100 Subscribe to Unlock Subscribe to Unlock Sequoia Capital, Andreessen Horowitz, Accel, Benchmark, Battery Ventures
Streamlined Data & Analytics, Blockchain & Cryptocurrency, Artificial Intelligence, SaaS & Software, APIs & Platforms Subscribe to Unlock Subscribe to Unlock April, 2026 $100k-$250k Seed United States Palo Alto, California, United States Venture Capital 207 Subscribe to Unlock Subscribe to Unlock Y Combinator, Techstars, 500 Global, New Enterprise Associates, Accel
Silas Capital Consumer Products, E-Commerce & Retail, Health Care & Wellness, SaaS & Software, Financial Services & FinTech Subscribe to Unlock Subscribe to Unlock March, 2026 $100k-$500k Seed, Series A, Growth Stage United States New York, New York, United States Venture Capital 30 Subscribe to Unlock Subscribe to Unlock VMG Partners, PepsiCo, L Catterton, Clarins, Famille C
Team8 Cyber Security & Privacy, Artificial Intelligence, Financial Services & FinTech, SaaS & Software, Health Care & Wellness Subscribe to Unlock Subscribe to Unlock April, 2026 $1M-$10M Seed, Series A, Series B United States, Israel Tel Aviv, Israel Venture Capital 40 Subscribe to Unlock Subscribe to Unlock Microsoft, Walmart, Cisco, Barclays, Moody's
Founder Collective Apps & Platforms, Information Technology, SaaS & Software, Artificial Intelligence, Financial Services & FinTech Subscribe to Unlock Subscribe to Unlock March, 2026 $500k–$1M Pre-Seed, Seed United States, specifically Cambridge, MA and New York, NY Cambridge, Massachusetts, United States Venture Capital 100 Subscribe to Unlock Subscribe to Unlock Unknown

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