Renaissance Technologies’s Athenahealth, Inc. ATHN Stock Holding History

Renaissance Technologies’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
2015 Q3	–	Sell	-23,100	Closed	-$2.65M	–	3484
2015 Q2	$2.65M	Sell	23,100 -65,000	-74%	-$7.77M	0.01%	1873
2015 Q1	$10.5M	Buy	+88,100	New	+$11.7M	0.02%	912
2014 Q3	–	Sell	-7,500	Closed	-$938K	–	3051
2014 Q2	$938K	Sell	7,500 -258,450	-97%	-$33.4M	﹤0.01%	2081
2014 Q1	$42.6M	Buy	265,950 +48,250	+22%	+$7.94M	0.1%	224
2013 Q4	$29.3M	Buy	217,700 +206,802	+1,898%	+$26.6M	0.07%	337
2013 Q3	$1.18M	Sell	10,898 -100,602	-90%	-$10.9M	﹤0.01%	1932
2013 Q2	$9.45M	Buy	+111,500	New	+$9.98M	0.02%	772

Other funds holding ATHN

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

Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 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

JHIU

Janus Henderson Investors US Denver, Colorado $122B AUM 18.26% 1-Year Est. Return

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

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

Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return

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

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Renaissance Technologies's ATHN Position: Q3 2015 in Review

Renaissance Technologies sold out of Athenahealth, Inc. (ATHN) in Q3 2015, closing a stake of 23,100 shares — an estimated $2.65M sold.

Renaissance Technologies first reported a position in ATHN in Q2 2013 and held it in 7 quarters. The position peaked at $42.6M in Q1 2014. 214 funds tracked by Wall St. Rank hold ATHN as of Q3 2015.

Renaissance Technologies reported no remaining Athenahealth, Inc. position as of Q3 2015 after selling out during the quarter.
Renaissance Technologies sold 23,100 Athenahealth, Inc. shares in Q3 2015, an estimated $2.65M.
Renaissance Technologies first reported a position in Athenahealth, Inc. in Q2 2013 and held it in 7 quarters.
Renaissance Technologies's Athenahealth, Inc. position peaked at $42.6M in Q1 2014.
214 funds tracked by Wall St. Rank held Athenahealth, Inc. as of Q3 2015.

Based on Renaissance Technologies's 13F filing for Q3 2015, filed 12 Nov 2015.