EPIZYME INC

CUSIP: 29428V104 Class: COM

EcoR1 Capital, LLC's Holding History (CIK: 0001587114)

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

Q2 2016
Shares 755,046 Value ($000) $7,732 Avg Close — Range —
Q1 2016
Shares 1,598,900 Value ($000) $19,379 Avg Close — Range —
Q4 2015
Shares 698,900 Value ($000) $11,196 Avg Close — Range —
Q3 2015
Shares 1,492,700 Value ($000) $19,196 Avg Close — Range —
Q2 2015
Shares 1,685,800 Value ($000) $40,459 Avg Close — Range —
Q1 2015
Shares 1,580,400 Value ($000) $29,680 Avg Close — Range —