HORIZON PHARMA INC

CUSIP: 44047T109 Class: COM

OXFORD ASSET MANAGEMENT LLP's Holding History (CIK: 0001438284)

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

Q1 2014
Shares 1,063,027 Value ($000) $16,073 Avg Close — Range —
Q4 2013
Shares 393,593 Value ($000) $2,999 Avg Close — Range —