Sarissa Capital Management LP

CIK 0001577524 · Q2 2026

13F Equity AUM

$177.9M

+12.8% QoQ

Positions

+1 QoQ

AUM Rank

#8,546

Top 68%

Skill Alpha (FF)

+2.2%/yr^ns

No Clear Edge

Rank #1,296 · Top 16%

vs S&P -7.9%/yr (unadj.)

Quarters Tracked

~12 years

Portfolio Concentration

Top 5: 82.9%Top 10: 100.0%Top 20: 100.0%

INVA24.1%

IRWD21.8%

EH315.0%

NBIX11.0%

CYTK10.9%

LNTH10.4%

BHVN4.9%

REGN1.5%

VOR0.3%

BIIB0.1%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Healthcare100.0%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 10Median: 10.68%Avg: 10.00%

0–0.5%

2(0.4%)

0.5–1%

0(0.0%)

1–3%

1(1.5%)

3–5%

1(4.9%)

5%+

6(93.3%)

Count of positions per weight bucket — (%) = combined portfolio weight

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Portfolio Overlap

Shared: 0Unique: 10vs 20 funds

0%Low

Fund positions

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

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Position Changes This Quarter

New1Increased1Decreased1Exited0

New Positions

BIIB0.1%

+950

Increased

BHVN4.9%

+19K(+3%)

Decreased

INVA24.1%

-240,346(-11%)

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

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Holdings

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