Sigma Prime Ventures

Nasuni provides a next-generation unstructured data management platform that unifies storage, protection, and management of enterprise file data, enabling cost savings, rapid recovery, and high performance.

Pliant is a platform that streamlines and automates network management, enabling network operation engineers to simplify tasks, optimize performance, and ensure maximum uptime through a vendor-agnostic approach.

aPriori is a data-driven software platform that helps manufacturers optimize product development and reduce costs through advanced cost analysis and manufacturability insights.

BlueConic is a customer data platform that helps businesses leverage first-party data to drive growth through real-time insights and AI-powered automation.

CallMiner is the global leader in AI-powered conversation intelligence and customer experience (CX) automation. Our platform captures and analyzes 100% of omnichannel customer interactions delivering the insights organizations need to improve CX, enhance agent performance, and drive automation at scale.

Phenom is a purpose-driven HR tech company helping global enterprises hire faster, develop better, and retain their people longer through an Intelligent Talent Experience platform powered by AI.

Acquia provides software and services to help you build a better digital world for your customers —one that’s frictionless, relevant, accessible, and safe.

Vestorly is a Content Management Engine that Discovers, Filters, and Personalizes the Right Content to increase engagement, build trust, and expand revenues.

Rally Ventures has built a network of 100+ senior tech operators who have personally invested over $130M into the fund and help source 60%+ of deals while engaging as board members, advisors, and customers for portfolio companies. The firm focuses on SaaS+ (vertical SaaS platforms that layer embedded fintech products to multiply revenue per customer), led by Managing Director Justin Kaufenberg who scaled SportsEngine before its sale to NBC Sports.

Seed-stage solo-GP fund run by Cindy Bi, who has made 100+ angel investments including three unicorns. Uses an online-first model (often wiring funds without in-person meetings) with an operator-heavy LP network for portfolio support. 18 unicorns in portfolio (15 from seed stage).

Lead investor in seed-stage B2B companies digitizing legacy industries.

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.