ACHILLION PHARMACEUTICALS IN

CUSIP: 00448Q201 Class: COM

GILDER GAGNON HOWE & CO LLC's Holding History (CIK: 0000902464)

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

Q4 2014
Shares 415,055 Value ($000) $5,084 Avg Close — Range —
Q3 2014
Shares 417,870 Value ($000) $4,170 Avg Close — Range —