HYPERION THERAPEUTICS INC

CUSIP: 44915N101 Class: COM

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

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

Q3 2013
Shares 50,784 Value ($000) $1,327 Avg Close — Range —
Q2 2013
Shares 51,867 Value ($000) $1,141 Avg Close — Range —