BAKER BROS. ADVISORS LP is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q1 2026, the fund manages $17.4B in reported equity holdings across 84 positions. The largest holdings are INCY (16.6%), BEIGF (15.0%), INSM (7.0%), MDGL (6.4%), ACAD (5.5%). The portfolio is concentrated in Other (75.8%), Healthcare (24.2%). Data sourced from SEC EDGAR 13F filings (CIK 1263508).