Series A AI Investors in the US
We've mapped 20 of the most active series a AI investors funding founders in the US, with cheques $25K–$500M.
- Pre-seed6
- Seed20
- Series A20
- Series B16
- Series C+12
We've mapped 20 of the most active series a AI investors funding founders in the US — 20 VCs. Cheque sizes across this segment run $25K–$500M.
When raising series a for a AI company in the US, founders should lead with the investors whose stage and cheque size actually match the round — not just the best-known names. 20 of these profiles have been verified in the last review pass. Sign in to see each investor's full thesis, cheque range, and how closely they fit your specific company.
M12
Microsoft's venture capital fund, investing in seed through Series B companies in AI apps, security for AI, AI cloud infrastructure, AI data ops and models, … Sign in to see full profile →
TTV Capital
Atlanta-based fintech VC (founded 2000); invests in financial services and financial-product companies serving the sector and consumers. Sign in to see full profile →
IBM Ventures
IBM's $500M+ corporate venture arm backing early-stage AI, quantum, security, data, sustainability startups. Sign in to see full profile →
Greenoaks
Greenoaks is a San Francisco investment firm, founded in 2012 by Neil Mehta and Benny Peretz, that makes concentrated, long-term investments in technology-en… Sign in to see full profile →
Streamlined Ventures
Palo Alto-based solo-GP seed VC (founded 2013 by Ullas Naik) backing software companies in AI, data science, automation, APIs, blockchain and gaming. Sign in to see full profile →
Deviation Capital
Early-stage VC (Seed and Series A) backing technical founders building data- and compute-native companies; ~$2B AUM, offices in New York and San Francisco; e… Sign in to see full profile →
Emerald Development Manager
New York-based early-stage VC backing elite scientific/engineering teams in cybersecurity/SaaS, biotech/healthcare IT, and clean tech/industrial tech. Sign in to see full profile →
Red Cedar Ventures
Venture subsidiary of the MSU Research Foundation supporting early-stage high-tech startups emerging from Michigan State University. Sign in to see full profile →
Hearst Ventures
Corporate VC arm of Hearst Communications (since 1995) investing in media, information, and technology. Sign in to see full profile →
Citi Ventures
Citi's venture arm, investing in and partnering with startups transforming financial services, from seed to Series F and beyond, across fintech, AI and data,… Sign in to see full profile →
Leawood Venture Capital
Leawood Kansas-based early-stage VC investing in technology companies across the US since 2017. Sign in to see full profile →
11.2 Capital
Early-stage VC investing in breakthrough deep tech: AI, cybersecurity, quantum, robotics, new space, bioengineering, climate. Sign in to see full profile →
Applied Ventures
Applied Ventures is the corporate venture capital arm of Applied Materials (NASDAQ: AMAT), founded 2006 and based in Santa Clara, CA. Sign in to see full profile →
Accel
Accel is a venture capital firm founded in 1983 and based in Palo Alto, with offices in San Francisco, London and India. Sign in to see full profile →
Andreessen Horowitz
Venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz, with over $100B under management. Sign in to see full profile →
Insight Partners
Global software-focused VC/PE firm (rebranded from Insight Venture Partners) with >$90B AUM; backs scaling software and internet companies worldwide. Sign in to see full profile →
Lightspeed Venture Partners
Lightspeed Venture Partners is a global, multi-stage venture capital firm headquartered in Menlo Park, California, investing from seed through growth and lat… Sign in to see full profile →
Sequoia Capital
VC firm that partners with founders early, sometimes when a company is no more than an idea, and helps them build companies from idea to IPO and beyond. Sign in to see full profile →
General Catalyst
Venture firm that creates new companies from scratch, partners with founders at seed and supports companies on a more enduring growth path, alongside a Custo… Sign in to see full profile →
Salesforce Ventures
Salesforce Ventures is the venture arm of Salesforce, based in San Francisco, investing in enterprise technology companies from seed through growth since 2009. Sign in to see full profile →
Directory last updated: September 2026.
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