ATHENAHEALTH INC

CUSIP: 04685W103 Class: COMMON STOCK

HighVista Strategies LLC's Holding History (CIK: 0001335325)

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

Q4 2017
Shares 7,903 Value ($000) $1,051 Avg Close — Range —
Q3 2017
Shares 7,903 Value ($000) $983 Avg Close — Range —