AVEXIS INC

CUSIP: 05366U100 Class: Common equity shares

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

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

Q1 2018
Shares 276,400 Value ($000) $34,158 Avg Close — Range —
Q4 2017
Shares 480,141 Value ($000) $53,137 Avg Close — Range —
Q3 2017
Shares 671,181 Value ($000) $64,923 Avg Close — Range —
Q2 2017
Shares 271,181 Value ($000) $22,280 Avg Close — Range —
Q1 2017
Shares 448,501 Value ($000) $34,100 Avg Close — Range —
Q4 2016
Shares 473,531 Value ($000) $22,602 Avg Close — Range —
Q3 2016
Shares 190,000 Value ($000) $7,830 Avg Close — Range —
Q2 2016
Shares 1,515 Value ($000) $58 Avg Close — Range —
Q1 2016
Shares 150,000 Value ($000) $4,086 Avg Close — Range —