ATHENAHEALTH INC

CUSIP: 04685W103 Class: COMMON STOCK

BAMCO INC /NY/'s Holding History (CIK: 0001017918)

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

Q3 2016
Shares 41,360 Value ($000) $5,216 Avg Close — Range —
Q2 2016
Shares 101,239 Value ($000) $13,972 Avg Close — Range —
Q1 2016
Shares 208,817 Value ($000) $28,980 Avg Close — Range —
Q4 2015
Shares 63,276 Value ($000) $10,186 Avg Close — Range —
Q3 2015
Shares 49,373 Value ($000) $6,584 Avg Close — Range —
Q2 2015
Shares 50,098 Value ($000) $5,740 Avg Close — Range —
Q1 2015
Shares 75,403 Value ($000) $9,002 Avg Close — Range —
Q4 2014
Shares 93,730 Value ($000) $13,656 Avg Close — Range —
Q3 2014
Shares 116,345 Value ($000) $15,321 Avg Close — Range —
Q2 2014
Shares 124,851 Value ($000) $15,623 Avg Close — Range —
Q1 2014
Shares 445,064 Value ($000) $71,317 Avg Close — Range —