ATHENAHEALTH INC

CUSIP: 04685W103 Class: COMMON STOCK

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q4 2018
Shares 7,856 Value ($000) $1,036 Avg Close — Range —
Q3 2018
Shares 55,661 Value ($000) $7,436 Avg Close — Range —
Q2 2018
Shares 55,669 Value ($000) $8,859 Avg Close — Range —
Q1 2018
Shares 55,681 Value ($000) $7,964 Avg Close — Range —
Q4 2017
Shares 55,797 Value ($000) $7,423 Avg Close — Range —
Q3 2017
Shares 55,546 Value ($000) $6,908 Avg Close — Range —
Q2 2017
Shares 56,089 Value ($000) $7,883 Avg Close — Range —
Q1 2017
Shares 56,083 Value ($000) $6,320 Avg Close — Range —
Q4 2016
Shares 56,394 Value ($000) $5,931 Avg Close — Range —
Q3 2016
Shares 57,107 Value ($000) $7,202 Avg Close — Range —
Q2 2016
Shares 57,103 Value ($000) $7,881 Avg Close — Range —
Q1 2016
Shares 57,090 Value ($000) $7,923 Avg Close — Range —
Q4 2015
Shares 57,823 Value ($000) $9,308 Avg Close — Range —
Q3 2015
Shares 57,813 Value ($000) $7,709 Avg Close — Range —
Q2 2015
Shares 35,437 Value ($000) $4,060 Avg Close — Range —
Q1 2015
Shares 35,462 Value ($000) $4,234 Avg Close — Range —
Q4 2014
Shares 35,953 Value ($000) $5,238 Avg Close — Range —
Q3 2014
Shares 35,974 Value ($000) $4,737 Avg Close — Range —
Q2 2014
Shares 35,986 Value ($000) $4,503 Avg Close — Range —
Q1 2014
Shares 35,229 Value ($000) $5,645 Avg Close — Range —
Q4 2013
Shares 89,029 Value ($000) $11,974 Avg Close — Range —
Q3 2013
Shares 90,769 Value ($000) $9,854 Avg Close — Range —
Q2 2013
Shares 90,769 Value ($000) $7,690 Avg Close — Range —