AGIOS PHARMACEUTICALS INC

Ticker: AGIO CUSIP: 00847X104 Class: Common Stock

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q2 2019

Shares 479,750 Value ($000) $23,930 Avg Close $53.45 Range $45.43 - $68.89

Q1 2019

Shares 342,680 Value ($000) $23,110 Avg Close $58.25 Range $44.37 - $68.94

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2019	479,750	$23,930	$53.45	$45.43 - $68.89
Q1 2019	342,680	$23,110	$58.25	$44.37 - $68.94