BAKER BROS. ADVISORS LP is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q4 2025, the fund manages $17.1B in reported equity holdings across 86 positions. The largest holdings are INCY (17.8%), BEIGF (15.7%), MDGL (7.3%), INSM (6.7%), ACAD (6.7%). The portfolio is concentrated in Other (76.9%), Healthcare (23.1%). Data sourced from SEC EDGAR 13F filings (CIK 1263508).