AGIOS PHARMACEUTICALS INC

Ticker: AGIO CUSIP: 00847X104 Class: Common Stock

TCW GROUP INC's Holding History (CIK: 0000850401)

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

Q4 2014

Shares 15,661 Value ($000) $1,755 Avg Close $89.28 Range $58.55 - $124.39

Q3 2014

Shares 33,949 Value ($000) $2,083 Avg Close $43.10 Range $33.01 - $69.50

Q2 2014

Shares 35,666 Value ($000) $1,634 Avg Close $40.76 Range $31.42 - $50.37

Q1 2014

Shares 38,659 Value ($000) $1,513 Avg Close $33.46 Range $21.70 - $49.79

Q4 2013

Shares 53,644 Value ($000) $1,285 Avg Close $22.79 Range $15.77 - $33.59

Q3 2013

Shares 70,956 Value ($000) $1,984 Avg Close $27.61 Range $22.34 - $33.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	15,661	$1,755	$89.28	$58.55 - $124.39
Q3 2014	33,949	$2,083	$43.10	$33.01 - $69.50
Q2 2014	35,666	$1,634	$40.76	$31.42 - $50.37
Q1 2014	38,659	$1,513	$33.46	$21.70 - $49.79
Q4 2013	53,644	$1,285	$22.79	$15.77 - $33.59
Q3 2013	70,956	$1,984	$27.61	$22.34 - $33.45