AVALANCHE BIOTECHNOLOGIES IN

CUSIP: 05337G107 Class: COM

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q1 2015
Shares 39,030 Value ($000) $1,581 Avg Close — Range —
Q4 2014
Shares 46,736 Value ($000) $2,524 Avg Close — Range —
Q3 2014
Shares 34,175 Value ($000) $1,168 Avg Close — Range —