Rock Springs Capital Management’s Athenahealth, Inc. ATHN Stock Holding History

Rock Springs Capital Management’s Portfolio ATHN Stock Details ATHN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2017 Q2	–	Sell	-62,750	Closed	-$7.07M	–	156
2017 Q1	$7.07M	Hold	62,750	–	–	0.41%	74
2016 Q4	$6.6M	Buy	62,750 +17,000	+37%	+$1.83M	0.44%	66
2016 Q3	$5.77M	Hold	45,750	–	–	0.36%	81
2016 Q2	$6.31M	Hold	45,750	–	–	0.47%	68
2016 Q1	$6.35M	Buy	45,750 +6,250	+16%	+$857K	0.53%	62
2015 Q4	$6.36M	Buy	39,500 +1,500	+4%	+$232K	0.48%	72
2015 Q3	$5.07M	Hold	38,000	–	–	0.41%	80
2015 Q2	$4.35M	Buy	+38,000	New	+$4.54M	0.32%	98
2014 Q4	–	Sell	-67,750	Closed	-$8.92M	–	102
2014 Q3	$8.92M	Buy	67,750 +5,500	+9%	+$724K	1.38%	23
2014 Q2	$7.79M	Buy	62,250 +42,750	+219%	+$5.52M	1.4%	21
2014 Q1	$3.13M	Hold	19,500	–	–	0.72%	45
2013 Q4	$2.62M	Buy	+19,500	New	+$2.51M	0.94%	32

Other funds holding ATHN

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return

Nomura Holdings Tokyo, Japan $37.7B AUM 34.44% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Rock Springs Capital Management's ATHN Position: Q2 2017 in Review

Rock Springs Capital Management sold out of Athenahealth, Inc. (ATHN) in Q2 2017, closing a stake of 62,750 shares — an estimated $7.07M sold.

Rock Springs Capital Management first reported a position in ATHN in Q4 2013 and held it in 12 quarters. The position peaked at $8.92M in Q3 2014. 226 funds tracked by Wall St. Rank hold ATHN as of Q2 2017.

Rock Springs Capital Management reported no remaining Athenahealth, Inc. position as of Q2 2017 after selling out during the quarter.
Rock Springs Capital Management sold 62,750 Athenahealth, Inc. shares in Q2 2017, an estimated $7.07M.
Rock Springs Capital Management first reported a position in Athenahealth, Inc. in Q4 2013 and held it in 12 quarters.
Rock Springs Capital Management's Athenahealth, Inc. position peaked at $8.92M in Q3 2014.
226 funds tracked by Wall St. Rank held Athenahealth, Inc. as of Q2 2017.

Based on Rock Springs Capital Management's 13F filing for Q2 2017, filed 14 Aug 2017.