Sarissa Capital Management LP

CIK: 0001577524SEC EDGAR →

Portfolio Value

$222.9B

Holdings

9

As of

Q4 2025

New Positions

1

Closed Positions

0

Portfolio Value History

Top 10 Holdings

RankStockSharesValue% of Portfolio
1

INNOVIVA INC

2,816,022$56.3B
25.25%
2

IRONWOOD PHARMACEUTICALS INC

15,919,435$53.6B
24.07%
3

NEUROCRINE BIOSCIENCES INC

303,151$43.0B
19.29%
4

CYTOKINETICS INC

396,357$25.2B
11.30%
5

AMARIN CORP PLC

1,673,395$23.4B
10.48%
6

LANTHEUS HLDGS INC

181,450$12.1B
5.42%
7

BIOHAVEN LTD

513,184$5.8B
2.60%
8

REGENERON PHARMACEUTICALS

4,190$3.2B
1.45%
9

VOR BIOPHARMA INC

25,399$332.0M
0.15%

Quarterly Changes

Top Buys

BHVNNEW
$5.8B
EH3↑ Increased
$3.0B

Top Sells

CYTK↓ Decreased
$7.2B

New Positions (1)

$5.8B · 513K shares

Sector Breakdown

Sector# HoldingsValue%
Healthcare8$199.6B89.5%
Unknown1$23.4B10.5%