AGIOS PHARMACEUTICALS INC

Ticker: AGIO CUSIP: 00847X104 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q2 2018

Shares 96,330 Value ($000) $8,114 Avg Close $87.20 Range $72.14 - $99.82

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	96,330	$8,114	$87.20	$72.14 - $99.82