Mason Street Advisors’s Athenahealth, Inc. ATHN Stock Holding History

Mason Street Advisors’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 Q1	–	Sell	-36,551	Closed	-$5.33M	–	1818
2014 Q4	$5.33M	Sell	36,551 -15,195	-29%	-$1.91M	0.04%	526
2014 Q3	$6.81M	Hold	51,746	–	–	0.05%	399
2014 Q2	$6.47M	Buy	51,746 +12,844	+33%	+$1.66M	0.05%	439
2014 Q1	$6.23M	Hold	38,902	–	–	0.05%	426
2013 Q4	$5.23M	Buy	+38,902	New	+$5M	0.04%	495

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

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

JHIU

Janus Henderson Investors US Denver, Colorado $122B AUM 18.26% 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

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

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

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

Mason Street Advisors's ATHN Position: Q1 2015 in Review

Mason Street Advisors sold out of Athenahealth, Inc. (ATHN) in Q1 2015, closing a stake of 36,551 shares — an estimated $5.33M sold.

Mason Street Advisors first reported a position in ATHN in Q4 2013 and held it in 5 quarters. The position peaked at $6.81M in Q3 2014. 217 funds tracked by Wall St. Rank hold ATHN as of Q1 2015.

Mason Street Advisors reported no remaining Athenahealth, Inc. position as of Q1 2015 after selling out during the quarter.
Mason Street Advisors sold 36,551 Athenahealth, Inc. shares in Q1 2015, an estimated $5.33M.
Mason Street Advisors first reported a position in Athenahealth, Inc. in Q4 2013 and held it in 5 quarters.
Mason Street Advisors's Athenahealth, Inc. position peaked at $6.81M in Q3 2014.
217 funds tracked by Wall St. Rank held Athenahealth, Inc. as of Q1 2015.

Based on Mason Street Advisors's 13F filing for Q1 2015, filed 15 May 2015.