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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
- INNOVIVA INC · COM · 45781M101 · shares: $42,935,617
- IRONWOOD PHARMACEUTICALS INC · COM CL A · 46333X108 · shares: $38,684,153
- AMARIN CORP PLC · SPONSORED ADR · 023111404 · shares: $26,673,916
- NEUROCRINE BIOSCIENCES INC · COM · 64125C109 · shares: $19,639,889
- CYTOKINETICS INC · COM NEW · 23282W605 · shares: $19,476,393
- LANTHEUS HLDGS INC · COM · 516544103 · shares: $18,517,994
- BIOHAVEN LTD · COM · G1110E107 · shares: $8,664,803
- REGENERON PHARMACEUTICALS · COM · 75886F107 · shares: $2,612,633
- VOR BIOPHARMA INC · COM NEW · 929033207 · shares: $467,596
- BIOGEN INC · COM · 09062X103 · shares: $205,257
Reported holdings
10 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| INNOVIVA INC | COM | 45781M101 | — | 1,890,604 shares | $42,935,617 |
| IRONWOOD PHARMACEUTICALS INC | COM CL A | 46333X108 | — | 9,188,635 shares | $38,684,153 |
| AMARIN CORP PLC | SPONSORED ADR | 023111404 | — | 1,673,395 shares | $26,673,916 |
| NEUROCRINE BIOSCIENCES INC | COM | 64125C109 | — | 116,533 shares | $19,639,889 |
| CYTOKINETICS INC | COM NEW | 23282W605 | — | 228,623 shares | $19,476,393 |
| LANTHEUS HLDGS INC | COM | 516544103 | — | 166,919 shares | $18,517,994 |
| BIOHAVEN LTD | COM | G1110E107 | — | 582,312 shares | $8,664,803 |
| REGENERON PHARMACEUTICALS | COM | 75886F107 | — | 4,190 shares | $2,612,633 |
| VOR BIOPHARMA INC | COM NEW | 929033207 | — | 25,399 shares | $467,596 |
| BIOGEN INC | COM | 09062X103 | — | 950 shares | $205,257 |