ACHILLION PHARMACEUTICALS IN

CUSIP: 00448Q201 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q3 2014
Shares 27,448 Value ($000) $274 Avg Close — Range —
Q2 2013
Shares 32,800 Value ($000) $268 Avg Close — Range —