Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

Sarissa Capital Management LP 13F Holdings -- Portfolio & Top Positions (2026-06-30)

Sarissa Capital Management LP (CIK 1577524) reported $177.9M across 10 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: INVA ($42.9M, 24.14%), IRWD ($38.7M, 21.75%), AMRN ($26.7M, 15.00%), NBIX ($19.6M, 11.04%), CYTK ($19.5M, 10.95%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1INVAINNOVIVA INC$42.9M24.14%1.9MTrimmed
2IRWDIRONWOOD PHARMACEUTICALS INC$38.7M21.75%9.2MHold
3AMRNAMARIN CORP PLC$26.7M15.00%1.7MHold
4NBIXNEUROCRINE BIOSCIENCES INC$19.6M11.04%116,533Hold
5CYTKCYTOKINETICS INC$19.5M10.95%228,623Hold
6LNTHLANTHEUS HLDGS INC$18.5M10.41%166,919Hold
7BHVNBIOHAVEN LTD$8.7M4.87%582,312Added
8REGNREGENERON PHARMACEUTICALS$2.6M1.47%4,190Hold
9VORVOR BIOPHARMA INC$467,5960.26%25,399Hold
10BIIBBIOGEN INC$205,2570.12%950New

Source: SEC Form 13F filings · as of 2026-06-30