Sarissa Capital Management LP

13F Portfolio Filings

Most recent 13F
Q2 2026
13D/G filings
13D on 3 securities
Location
Greenwich, CT
CIK
0001577524
All SEC filings
View on sec.gov
Holdings Value
Quarter Holdings Value ($000) Top Holdings Form Type Date Filed Filing ID
Q2 2026 10 177,878 INVA, IRWD, AMRN, NBIX 13F-HR 8/14/2026 000089914026000879
Q1 2026 9 157,636 INVA, IRWD, AMRN, NBIX 13F-HR 5/15/2026 000089914026000574
Q4 2025 9 222,909 INVA, IRWD, NBIX, CYTK 13F-HR 2/17/2026 000089914026000256
Q3 2025 8 180,391 INVA, NBIX, CYTK, IRWD 13F-HR 11/14/2025 000089914025001320
Q2 2025 7 154,389 INVA, NBIX, AMARIN CORP PLC, CYTK 13F-HR 8/14/2025 000089914025000986
Q1 2025 7 154,710 INVA, NBIX, CYTK, IRWD 13F-HR 5/15/2025 000089914025000705
Q4 2024 8 322,862 INVA, IRWD, NBIX, CYTK 13F-HR 2/14/2025 000089914025000321
Q3 2024 10 402,327 INVA, IRWD, GILD, CYTK 13F-HR 11/14/2024 000089914024001252
Q2 2024 10 592,420 BIIB, INVA, IRWD, GILD 13F-HR 8/14/2024 000089914024000887
Q1 2024 10 571,629 IRWD, BIIB, INVA, GILD 13F-HR 5/15/2024 000089914024000608
Q4 2023 9 648,896 IRWD, BIIB, INVA, GILD 13F-HR 2/14/2024 000089914024000250
Q3 2023 11 742,379 ALKS, BIIB, IRWD, INVA 13F-HR 11/14/2023 000089914023001108
Q2 2023 11 1,004,526 ALKS, BIIB, IRWD, INVA 13F-HR 8/14/2023 000089914023000886
Q1 2023 11 781,897 ALKS, BIIB, IRWD, INVA 13F-HR 5/15/2023 000089914023000651
Q4 2022 11 840,211 ALKS, IRWD, BIIB, GILD 13F-HR 2/14/2023 000089914023000407
Q3 2022 11 884,819 ALKS, BIIB, IRWD, GILD 13F-HR 11/14/2022 000156761922020094
Q2 2022 11 993,488 ALKS, IRWD, BIIB, INVA 13F-HR 8/15/2022 000156761922016259
Q1 2022 11 1,057,966 ALKS, IRWD, BIIB, INVA 13F-HR 5/16/2022 000156761922011017
Q4 2021 11 1,155,293 ALKS, GILD, IRWD, BIIB 13F-HR 2/14/2022 000156761922004425
Q3 2021 10 1,273,975 ALKS, IRWD, GILD, BIIB 13F-HR 11/15/2021 000156761921020494
Q2 2021 14 1,257,696 ALKS, BIIB, IRWD, GILD 13F-HR 8/16/2021 000156761921015920
Q1 2021 14 1,043,262 IRWD, BIIB, GILD, ALKS 13F-HR 5/17/2021 000156761921010558
Q4 2020 12 979,780 IRWD, ALKS, BIIB, JAZZ 13F-HR 2/16/2021 000156761921003998
Q3 2020 11 849,434 BIIB, JAZZ, ALKS, IRWD 13F-HR 11/16/2020 000156761920019849
Q2 2020 12 898,918 BIIB, ALKS, IRWD, JAZZ 13F-HR 8/14/2020 000156761920015463
Q1 2020 12 783,828 BIIB, IRWD, ALKS, AGN 13F-HR 5/15/2020 000156761920010481
Q4 2019 13 1,204,783 MDCO, BIIB, IRWD, ICPT 13F-HR 2/14/2020 000156761920003999
Q3 2019 12 797,914 MDCO, AGN, BIIB, IRWD 13F-HR 11/14/2019 000156761919021592
Q2 2019 13 802,161 AGN, MDCO, BIIB, IRWD 13F-HR 8/14/2019 000156761919017020
Q1 2019 11 664,251 AGN, BIIB, IRWD, MDCO 13F-HR 5/15/2019 000156761919011163
Q4 2018 10 451,249 BIIB, INVA, AGN, IRWD 13F-HR 2/14/2019 000156761919004398
Q3 2018 9 453,306 BIIB, INVA, AGN, IRWD 13F-HR 11/14/2018 000156761918006318
Q2 2018 10 498,793 BIIB, MDCO, IRWD, INVA 13F-HR 8/14/2018 000156761918001107
Q1 2018 11 432,144 BIIB, MDCO, INVA, AGN 13F-HR 5/15/2018 000114036118023974
Q4 2017 11 390,650 BIIB, BIVV, MDCO, INVA RESTATEMENT 2/23/2018 000114036118009863
Q3 2017 9 323,993 BIIB, BIOVERATIV INC, MDCO, INVA 13F-HR 11/14/2017 000114036117042883
Q2 2017 8 299,557 BIIB, BIOVERATIV INC, MDCO, INVA 13F-HR 8/14/2017 000114036117032001
Q1 2017 11 253,055 MDCO, BIIB, INVA, NVLNF 13F-HR 5/15/2017 000114036117020718
Q4 2016 11 363,082 ARIA, BIIB, MDCO, INVA 13F-HR 2/14/2017 000114036117007278
Q3 2016 14 434,231 ARIA, BIIB, MDCO, ARRY 13F-HR 11/14/2016 000114036116086479
Q2 2016 15 352,312 ARIA, BIIB, MDCO, ITCI 13F-HR 8/15/2016 000114036116076729
Q1 2016 16 453,821 ABBV, ARIA, BIIB, MDCO 13F-HR 5/16/2016 000114036116065701
Q4 2015 17 514,358 BIIB, ABBV, ARIA, MDCO 13F-HR 2/16/2016 000114036116053204
Q3 2015 18 404,891 ABBV, ARIA, MDCO, DGX 13F-HR 11/16/2015 000114036115041780
Q2 2015 16 434,562 ARIA, ABBV, DGX, MDCO 13F-HR 8/14/2015 000114036115032371
Q1 2015 17 474,075 ARIA, ABBV, DGX, AMGN 13F-HR 5/15/2015 000114036115019796
Q4 2014 16 282,531 ARIA, DGX, AMGN, MRK 13F-HR 2/17/2015 000114036115006874
Q3 2014 14 258,936 ARIA, DGX, BRLI, A 13F-HR 11/14/2014 000114036114041694
Q2 2014 15 294,075 ARIA, IDIX, DGX, BRLI 13F-HR 8/14/2014 000114036114032743
Q1 2014 15 290,423 ARIA, DGX, BRLI, IDIX 13F-HR 5/15/2014 000114036114021259
Q4 2013 12 267,017 ARIA, DGX, IDIX, VVUS 13F-HR 2/14/2014 000114036114007193
Additional filings from Sarissa Capital Management LP that have since been restated

13D and 13G Filings

All 13D and 13G filings

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each security where the latest filing since 12/18/2024 is a 13D, newest first.

Issuer % of Class Filed
Amarin Corporation PLC/UK 13D/A
AMRN · 023111206
 6.1% 8/27/2026
Event 8/25/2026
Ironwood Pharmaceuticals Inc 13D/A
IRWD · 46333X108
 5.8% 3/19/2026
Event 3/17/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
Innoviva, Inc. 13D/A
INVA · 45781M101
 4.7% 3/17/2025
Event 3/13/2025