ATHENAHEALTH INC

CUSIP: 04685W103 Class: COMMON STOCK

Barton Investment Management's Holding History (CIK: 0001387818)

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

Q4 2018
Shares 98,186 Value ($000) $12,954 Avg Close — Range —
Q3 2018
Shares 134,718 Value ($000) $17,998 Avg Close — Range —
Q2 2018
Shares 180,975 Value ($000) $28,800 Avg Close — Range —
Q1 2018
Shares 222,149 Value ($000) $31,774 Avg Close — Range —
Q4 2017
Shares 233,474 Value ($000) $31,061 Avg Close — Range —
Q3 2017
Shares 236,819 Value ($000) $29,451 Avg Close — Range —
Q2 2017
Shares 239,194 Value ($000) $33,619 Avg Close — Range —
Q1 2017
Shares 225,346 Value ($000) $25,394 Avg Close — Range —
Q4 2016
Shares 216,835 Value ($000) $22,804 Avg Close — Range —
Q3 2016
Shares 213,874 Value ($000) $26,973 Avg Close — Range —
Q2 2016
Shares 209,014 Value ($000) $28,846 Avg Close — Range —
Q1 2016
Shares 260,351 Value ($000) $36,131 Avg Close — Range —
Q4 2015
Shares 211,371 Value ($000) $34,024 Avg Close — Range —
Q3 2015
Shares 210,971 Value ($000) $28,132 Avg Close — Range —
Q2 2015
Shares 210,436 Value ($000) $24,112 Avg Close — Range —
Q1 2015
Shares 212,506 Value ($000) $25,371 Avg Close — Range —
Q4 2014
Shares 216,336 Value ($000) $31,520 Avg Close — Range —
Q3 2014
Shares 213,056 Value ($000) $28,057 Avg Close — Range —
Q2 2014
Shares 206,058 Value ($000) $25,784 Avg Close — Range —
Q1 2014
Shares 196,783 Value ($000) $31,533 Avg Close — Range —
Q4 2013
Shares 203,406 Value ($000) $27,358 Avg Close — Range —
Q3 2013
Shares 202,615 Value ($000) $22,000 Avg Close — Range —
Q2 2013
Shares 204,915 Value ($000) $17,362 Avg Close — Range —