Sarissa Capital Management LP - Stock Holdings in 13F Filings (SEC)

Updated on March 15, 2026.

Based on 13F Filings filed with the SEC on February 17, 2026, for the 2025 Q4 period, Sarissa Capital Management LP held in its portfolio 9 assets valued at $222,909,132 (i.e. $222.91M).

The most valuable assets in the portfolio included: INNOVIVA INC ($56.29M), IRONWOOD PHARMACEUTICALS INC ($53.65M), and NEUROCRINE BIOSCIENCES INC ($43.00M).

The chart below shows the top 9 valuable assets, and the table below shows the top 9 valuable assets.

You can see similar for other investment managers.

Related Topics: SEC Topic List.

Data Source: SEC.

Top Valuable Stocks in Sarissa Capital Management LP Portfolio

INNOVIVA INC

IRONWOOD PHARMACEUTICALS INC

NEUROCRINE BIOSCIENCES INC

CYTOKINETICS INC

AMARIN CORP PLC

LANTHEUS HLDGS INC

BIOHAVEN LTD

REGENERON PHARMACEUTICALS

VOR BIOPHARMA INC

Sarissa Capital Management LP - Stock Holdings in 13F Filings (SEC)

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Name of Issuer	No. of Shares	Value ($)	Class
INNOVIVA INC	2816022	56292280	COM
IRONWOOD PHARMACEUTICALS INC	15919435	53648496	COM CL A
NEUROCRINE BIOSCIENCES INC	303151	42995906	COM
CYTOKINETICS INC	396357	25184524	COM NEW
AMARIN CORP PLC	1673395	23352227	SPONSORED ADR
LANTHEUS HLDGS INC	181450	12075498	COM
BIOHAVEN LTD	513184	5793847	COM
REGENERON PHARMACEUTICALS	4190	3234135	COM
VOR BIOPHARMA INC	25399	332219	COM NEW