ENANTA PHARMACEUTICALS INC

Ticker: ENTA CUSIP: 29251M106 Class: Common Stock

PERCEPTIVE ADVISORS LLC's Holding History (CIK: 0001224962)

Note: Option positions (PUT/CALL) are excluded.

Q1 2018

Shares 9,132 Value ($000) $739 Avg Close $76.96 Range $52.39 - $95.91

Q1 2016

Shares 17,507 Value ($000) $514 Avg Close $27.84 Range $20.39 - $34.49

Q2 2015

Shares 4,956 Value ($000) $223 Avg Close $38.90 Range $30.13 - $47.28

Q3 2014

Shares 3,040 Value ($000) $120 Avg Close $39.86 Range $36.50 - $44.50

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	9,132	$739	$76.96	$52.39 - $95.91
Q1 2016	17,507	$514	$27.84	$20.39 - $34.49
Q2 2015	4,956	$223	$38.90	$30.13 - $47.28
Q3 2014	3,040	$120	$39.86	$36.50 - $44.50