ATHENAHEALTH INC

CUSIP: 04685W103 Class: COMMON STOCK

Tortoise Investment Management, LLC's Holding History (CIK: 0001599511)

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

Q4 2018
Shares 350 Value ($000) $46 Avg Close Range
Q3 2018
Shares 350 Value ($000) $47 Avg Close Range
Q2 2018
Shares 400 Value ($000) $64 Avg Close Range
Q1 2018
Shares 400 Value ($000) $57 Avg Close Range
Q4 2017
Shares 400 Value ($000) $53 Avg Close Range
Q3 2017
Shares 400 Value ($000) $50 Avg Close Range
Q2 2017
Shares 400 Value ($000) $56 Avg Close Range
Q1 2017
Shares 400 Value ($000) $45 Avg Close Range
Q4 2016
Shares 400 Value ($000) $42 Avg Close Range
Q3 2016
Shares 400 Value ($000) $50 Avg Close Range
Q2 2016
Shares 400 Value ($000) $55 Avg Close Range
Q1 2016
Shares 400 Value ($000) $56 Avg Close Range
Q4 2015
Shares 400 Value ($000) $64 Avg Close Range
Q3 2015
Shares 400 Value ($000) $53 Avg Close Range
Q2 2015
Shares 400 Value ($000) $46 Avg Close Range
Q1 2015
Shares 400 Value ($000) $48 Avg Close Range
Q4 2014
Shares 400 Value ($000) $58 Avg Close Range
Q3 2014
Shares 400 Value ($000) $53 Avg Close Range
Q2 2014
Shares 400 Value ($000) $50 Avg Close Range
Q1 2014
Shares 400 Value ($000) $64 Avg Close Range
Q4 2013
Shares 400 Value ($000) $54 Avg Close Range
Q3 2013
Shares 400 Value ($000) $43 Avg Close Range
Q2 2013
Shares 400 Value ($000) $34 Avg Close Range
Q1 2013
Shares 400 Value ($000) $39 Avg Close Range
Q4 2012
Shares 400 Value ($000) $29 Avg Close Range