ATHENAHEALTH INC

CUSIP: 04685W103 Class: COMMON STOCK

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q4 2018
Shares 547,870 Value ($000) $72,281,000 Avg Close — Range —