$1.2T AUM. One of world's largest independent investment managers. 3,000+ employees, 19 global offices. CEO Jean Hynes (first woman CEO, since 2021). Founded 1928 Boston.

Investment management and advisory for institutional investors. $500B+ advised. Founded 1973. Focus: private equity, VC, hedge funds, real assets. HQ Boston.

Boston-based alternative investment manager. Multi-strategy alternatives for institutional investors.

GMO — Boston-based value and quantitative asset manager. $50B+ AUM. Known for Jeremy Grantham's contrarian market calls. Long-only and alternatives.

Mass General Brigham Ventures is the venture investment arm of Mass General Brigham, the Boston-based academic health system affiliated with Harvard Medical School. The team combines investment acumen with scientific expertise to support early-stage healthcare companies advancing breakthroughs in medicine and science.

Spark Capital is a venture capital firm that invests in ambitious entrepreneurs and innovative companies, emphasizing culture, independence, and long-term impact.

Biotech venture creation firm founded by former Millennium Pharmaceuticals leadership. Builds companies from concept. Focus: genomics, protein degradation, oncology, neuro. Cambridge MA.

Growth equity for founder-owned software, internet and consumer companies. $1.1B AUM. 30+ investments in US and Canada. Typical check $10M-$20M.