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Sarissa Capital Management LP

Period ended Jun 30, 2026 · Latest filing Aug 14, 2026

These quarterly holdings are delayed and may not include all assets or short positions. Values are from the reporting date, not current prices or purchase costs. The same security may appear in multiple rows.

Source: SEC

Reported portfolio value

Quarter-end reported holdings; not current value or investment performance.

View reported values
  • Jun 30, 2026: $177,878,251

More quarters will appear as history becomes available.

Top holdings

Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.

View top holdings values
  1. INNOVIVA INC · COM · 45781M101 · shares: $42,935,617
  2. IRONWOOD PHARMACEUTICALS INC · COM CL A · 46333X108 · shares: $38,684,153
  3. AMARIN CORP PLC · SPONSORED ADR · 023111404 · shares: $26,673,916
  4. NEUROCRINE BIOSCIENCES INC · COM · 64125C109 · shares: $19,639,889
  5. CYTOKINETICS INC · COM NEW · 23282W605 · shares: $19,476,393
  6. LANTHEUS HLDGS INC · COM · 516544103 · shares: $18,517,994
  7. BIOHAVEN LTD · COM · G1110E107 · shares: $8,664,803
  8. REGENERON PHARMACEUTICALS · COM · 75886F107 · shares: $2,612,633
  9. VOR BIOPHARMA INC · COM NEW · 929033207 · shares: $467,596
  10. BIOGEN INC · COM · 09062X103 · shares: $205,257

Reported holdings

10 reported entries
IssuerClassCUSIPTypeShares / principalReported value (USD)
INNOVIVA INCCOM45781M101 — 1,890,604 shares $42,935,617
IRONWOOD PHARMACEUTICALS INCCOM CL A46333X108 — 9,188,635 shares $38,684,153
AMARIN CORP PLCSPONSORED ADR023111404 — 1,673,395 shares $26,673,916
NEUROCRINE BIOSCIENCES INCCOM64125C109 — 116,533 shares $19,639,889
CYTOKINETICS INCCOM NEW23282W605 — 228,623 shares $19,476,393
LANTHEUS HLDGS INCCOM516544103 — 166,919 shares $18,517,994
BIOHAVEN LTDCOMG1110E107 — 582,312 shares $8,664,803
REGENERON PHARMACEUTICALSCOM75886F107 — 4,190 shares $2,612,633
VOR BIOPHARMA INCCOM NEW929033207 — 25,399 shares $467,596
BIOGEN INCCOM09062X103 — 950 shares $205,257