Andreessen Horowitz

Andreessen Horowitz is a venture capital firm investing across technology sectors with a dedicated AI practice [1]. The firm lists AI as a dedicated focus area on its website [3]. In Q2 2026, Andreessen Horowitz was ranked among the 10 most active investors in NYC startups, completing 7 deals during that period with a focus on AI-native financial infrastructure [2].

Investments

• Adaptive Security

  Adaptive Security is a security training and phishing simulation platform protecting businesses from AI-driven and emerging threats. Adaptive Security was founded by Andrew Jones and Brian Long in 2022 and is backed by investors that include Abstract, Andreessen Horowitz, Bain Capital Ventures, Capital One Ventures, Citi Ventures, nVentures, and OpenAI Startup Fund.

• CDeeptune

  A developer of high-fidelity reinforcement learning environments, or training gyms, that simulate real-world digital workflows so AI agents can learn to perform complex enterprise tasks

• EliseAI

  Agentic AI automating patient and resident communications for healthcare and housing organizations

• CGraphite

  NYC company founded by Merrill Lutsky, Greg Foster and Tomas Reimers, offering an open-source CLI and AI code review dashboard for engineering teams.

• CMoment

  NYC company founded by Dylan Parker, Dean Hathout and Ammer Soliman, building a fixed-income operating system that automates trading and portfolio management workflows.

• COpenRouter

  Company founded in 2023 by Alex Atallah and Louis Vichy, operating a routing platform that connects AI applications to language models and cloud inference providers.

• COrnn AI

  A financial infrastructure company that provides compute exchange and financing products for AI infrastructure buildout

• Pearl Health

  New York company using data and risk analytics to help primary care providers succeed in value-based care.

• Pillar

  A financial risk management platform that automates commodity and currency hedging for small and medium-sized businesses

• CPomelo Care

  NYC healthcare technology company founded in 2021 by Marta Bralic, delivering evidence-based virtual maternity and pediatric care for women and children.

• Prepared

  New York City-based company offering an AI-powered platform that transcribes, translates, and triages 911 calls to enhance emergency response operations.

• CProbook

  An AI operating system for home services businesses that automates dispatch, customer communications, and scheduling workflows

• Prosper

  Prosper builds AI phone agents for healthcare providers.

• Protege

  New York City-based AI data platform enabling secure exchange of proprietary real-world datasets for AI pre-training, fine-tuning and evaluation.

• Raspberry AI

  New York-based generative AI platform for fashion design, letting apparel teams create and iterate on designs with AI.

• Slingshot AI

  New York company building Ash, a foundation-model-based AI product for mental health support.

• Tennr

  NYC healthcare AI company founded in 2021 by Trey Holterman, Diego Baugh and Tyler Johnson, offering an automation platform for processing medical documents and referrals.

• CVibranium Labs

  NYC company cofounded by Sang Lee and Tim Hwang, whose Vibe AI agentic platform proactively monitors, triages and resolves IT incidents before they reach customers, integrating with PagerDuty, Jira and Datadog.

In the news

• DOJ’s probe into Andreessen Horowitz over board seats baffles VCsTechCrunch Venture · Aug 18, 2026

Alumni

• Jeffrey Low, MDPartner, Bio Fund (now Bio + Health)→Partner at Averin

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