Middle-market PE with opportunistic credit and technology strategies. Thematic sourcing, operational improvement. Spun out of Harvard Management Company.

Castor Ventures — Alumni Ventures fund for the MIT community. Co-invests alongside top VCs in MIT-affiliated companies. Part of Alumni Ventures platform ($1.5B AUM, Manchester NH).

Non-profit strategic investment arm of the US intelligence community (CIA/IC). CEO: Steve Bowsher (since Dec 2023). 200+ portfolio companies. Singapore office opened Dec 2023. Two parallel tracks — Technology and Venture — with separate reporting lines but shared deal collaboration: the tech track identifies and evaluates technologies; the venture track manages investments and portfolio.

Global growth PE firm. $47B+ AUM since 1968. 500+ portfolio companies. Focus: tech, healthcare, financial services, consumer, business services. CEO Ajit Nedungadi. HQ Boston.