Comma Capital

Topsort is a leading AI ad server platform that enables retailers and marketplaces to launch, scale, and optimize ad businesses using AI-driven retail media infrastructure.

Identity Verification Platform for Global Companies

Rilla is a company focused on enhancing sales training through virtual ridealongs, utilizing AI to coach sales teams and improve their performance.

Flipturn is a technology company that offers an industry-leading EV fleet charging management platform trusted by Fortune 500 fleets. The platform helps manage charging operations, minimize utility costs, and improve charger uptime.

Cassidy builds AI agents that operate like your team, enabling businesses to automate workflows and enhance productivity through AI-driven solutions.

Rutter is a unified API platform designed for B2B financial products, enabling businesses to streamline their financial operations through various integrations. Their solutions include supplier enablement, invoicing automation, and expense management, all powered by advanced data synchronization and AI technologies.

Flexpa helps patients access and share health records from insurers, medical record systems, and nationwide exchanges. Developers use Flexpa's API to build agents for clinical trials, benefits navigation, and healthcare services.

Quanta is a real-time accounting service designed specifically for software companies, leveraging AI to automate non-creative accounting tasks and provide financial clarity.

Airplane is a platform that provides tools and services for developers to build and manage applications in the cloud, focusing on enhancing productivity and collaboration.

OneSchema automates CSV and PDF imports with AI, enhancing data ingestion processes for various industries.

Convoke is a modern recovery management system in a single, secure SaaS platform. Convoke enables creditors to increase recovery rates, reduce the burden of third-party oversight, and ensure regulatory compliance.

First Round Capital operates Dorm Room Fund, a $10M student-run VC program that backs student founders, and Angel Track, a no-fee fellowship that trains emerging angels while connecting them to First Round's network. The firm targets student founders, trains emerging angels, and connects them to its network. They provide a portfolio information-exchange platform plus practitioner-grade operating playbooks and publish First Round Review, a practitioner-grade operating manual.

Seed-stage, operator-first firm offering deeply embedded weekly working sessions and hands-on hiring, pricing and go-to-market support, backing non-central casting B2B founders using data/AI in fintech, vertical SaaS, healthcare.

Seed-stage investor leveraging Aileen Lee's data-driven, category-shaping framework and a Mustang Fund structure that enables concentrated follow-on support for breakout companies. Cowboy Ventures is led by Aileen Lee, who coined the term 'unicorn' and created the analytical framework that defines billion-dollar startups, giving the firm a uniquely data-driven perspective on market dynamics and category-shaping outcomes. The firm backs founders re-imagining life and work through technology, with a distinct 'Mustang Fund' structure that allows them to double down on breakout companies while keeping their primary fund focused purely on seed investments.

Operator-led firm that writes lead checks, keeps an unusually small portfolio, and provides hands-on go-to-market support for companies rewiring financial and data infrastructure.