— Know what they know.
Not Investment Advice
Asset Manager ← All Institutions

Sarissa Capital Management LP

Q1 2026 · Filed 2026-05-15
Market Value
$153M
-29.6%
Holdings
8
New Purchases
0
Added To
0
Closed
0
Reduced
5
Top 10 Concentration
100.0%
Turnover
0.0%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
INVA 32.48% 25.93% +6.55% $50M
AMRN 15.83% 10.76% +5.07% $24M
LNTH 8.28% 5.56% +2.72% $13M
REGN 2.12% 1.49% +0.63% $3M
VOR 0.30% 0.15% +0.14% $453K

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
NBIX 10.04% 19.80% -9.76% $15M
IRWD 21.10% 24.71% -3.61% $32M
CYTK 9.86% 11.60% -1.74% $15M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Large Cap 2 $19M 12.2%
Mid Cap 2 $28M 18.1%
Small Cap 2 $82M 53.6%
Micro Cap 2 $25M 16.1%

Portfolio Analytics

Avg Market Cap
$12.6B
Median Market Cap
$4.2B
Avg P/E
14.4
Median P/E
15.0
Avg Dividend Yield
0.00%
Avg Beta
0.52
# Stocks
8
# ETFs / Funds
0

Top Holdings (8 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 INVA 32.48% 2,130,950 $50M $23.30 -$7M -685,072 -24.3%
2 IRWD 21.10% 9,188,635 $32M $3.51 -$21M -6,730,800 -42.3%
3 AMRN 15.83% 1,673,395 $24M $14.46 $845K
4 NBIX 10.04% 116,533 $15M $131.74 -$28M -186,618 -61.6%
5 CYTK 9.86% 228,623 $15M $65.91 -$10M -167,734 -42.3%
6 LNTH 8.28% 166,919 $13M $75.85 $585K -14,531 -8.0%
7 REGN 2.12% 4,190 $3M $772.64 $3K
8 VOR 0.30% 25,399 $453K $17.84 $121K
View SEC EDGAR Filings for Sarissa Capital Management LP →

Sign in to InsiderStreet

You'll also get our free weekly newsletter with
smart money signals, market insights, and alpha ideas.
Unsubscribe anytime.

For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms