Sixth Street Growth

Digital savings and investment infrastructure platform that powers workplace retirement plans, state-sponsored savings programs, and other savings vehicles for financial institutions, employers, and governments. Serves over 500,000 businesses and more than 2 million active savers with $50B+ in assets administered.

Heap is a digital insights platform that automatically captures every user interaction on websites and mobile apps, including clicks, taps, swipes, form submissions, and page views, without requiring manual tracking code. Unlike traditional analytics tools that require engineers to instrument events upfront, Heap retroactively analyzes user behavior from day one. The platform served over 10,000 companies including Twilio, Zendesk, and Liberty Mutual. Acquired by Contentsquare in December 2023.