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Sarissa Capital Management LP

Campaigns
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Proxy fights
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Settlements
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Directors placed
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Sarissa Capital Management LP is one of the U.S. shareholder activists tracked by Boardroom Alpha, with disclosed campaigns dating to 2017. Recent U.S. targets include Alkermes PLC, Amarin Corp PLC, and Innoviva Inc.

Recent activity

Notable Campaigns

2023ALKSAlkermes PLCProxy fight
2023AMRNAmarin Corp PLCProxy fight
2018INVAInnoviva IncCooperation agreement
2017INVAInnoviva IncProxy fight

Full campaign history, dissident slates, per-nominee seat outcomes, and filings timelines inside the platform →

Current positions

Top Holdings

Q ending Mar 31, 2026
IRWDIronwood Pharmaceuticals Inc
$32M
INVAInnoviva Inc
$50M
BHVNBiohaven Ltd
$5M
LNTHLantheus Holdings Inc
$13M
CYTKCytokinetics Inc
$15M

Full portfolio, position changes by quarter, and overlap with Sarissa’s likely next targets inside the platform →

Last 12 months

Recent SEC Filings

Portfolio (13F)
Voting (N-PX)
Other

Full filings history with parsed positions, voting records, and dissident-proxy timelines inside the platform →

View all filings on SEC EDGAR ↗
From our research

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Linked profiles
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The full Sarissa Capital Management LP profile

  • →Daily-rescored target prediction from the activist's current 13F overlap
  • →Full detail on every activist board nominee and the election or settlement result
  • →Per-campaign effectiveness scoring across vote outcomes and concessions
  • →Composite influence, vote-strength, and negotiating-leverage scoring
  • →Preferred legal counsel, proxy solicitor, and IR/PR provider history
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