ATHENAHEALTH INC

CUSIP: 04685W103 Class: COMMON STOCK

Artisan Partners Limited Partnership's Holding History (CIK: 0001466153)

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

Q3 2017
Shares 78,765 Value ($000) $9,795 Avg Close — Range —
Q2 2017
Shares 612,536 Value ($000) $86,092 Avg Close — Range —
Q1 2017
Shares 1,343,044 Value ($000) $151,348 Avg Close — Range —
Q4 2016
Shares 1,392,117 Value ($000) $146,409 Avg Close — Range —
Q3 2016
Shares 1,696,082 Value ($000) $213,910 Avg Close — Range —
Q2 2016
Shares 1,734,386 Value ($000) $239,363 Avg Close — Range —
Q1 2016
Shares 2,220,827 Value ($000) $308,206 Avg Close — Range —
Q4 2015
Shares 2,642,944 Value ($000) $425,435 Avg Close — Range —
Q3 2015
Shares 2,733,908 Value ($000) $364,567 Avg Close — Range —
Q2 2015
Shares 2,602,058 Value ($000) $298,144 Avg Close — Range —
Q1 2015
Shares 2,981,962 Value ($000) $356,016 Avg Close — Range —
Q4 2014
Shares 3,083,380 Value ($000) $449,248 Avg Close — Range —
Q3 2014
Shares 2,541,776 Value ($000) $334,726 Avg Close — Range —
Q2 2014
Shares 2,610,348 Value ($000) $326,633 Avg Close — Range —
Q1 2014
Shares 2,862,522 Value ($000) $458,691 Avg Close — Range —
Q4 2013
Shares 3,166,175 Value ($000) $425,851 Avg Close — Range —
Q3 2013
Shares 3,215,626 Value ($000) $349,088 Avg Close — Range —
Q2 2013
Shares 3,436,570 Value ($000) $291,146,210 Avg Close — Range —