California State Teachers' Retirement System

The California State Teachers' Retirement System (CalSTRS) is the largest educator-only pension fund in the world and the second-largest public pension fund in the United States. Established in 1913, CalSTRS provides retirement, disability, and survivor benefits to California's public school educators from prekindergarten through community college. While not a biotechnology company itself, CalSTRS is a massive institutional investor with significant holdings in the global healthcare, pharmaceutical, and life sciences sectors. The fund is widely recognized for its leadership in sustainable investing and its active engagement in corporate governance and ESG initiatives across its investment portfolio.