Who owns athenahealth?

Key details on athenahealth (Ticker: ATHN)

Who owns athenahealth?

Is ATHN a good stock to own? Find out who bought athenahealth, who sold athenahealth (ATHN) stock, and who holds a large position in athenahealth.

Fund Name Number of Shares Share Valuation As Of
FMR 5.73M $684.00M March 31, 2015
MORGAN STANLEY 4.87M $710.02M Dec. 31, 2014
Sands Capital Management 4.79M $571.49M March 31, 2015
Artisan Partners Holdings 4.28M $175.85M June 30, 2011
Capital Research Global Investors^ 3.31M $395.40M March 31, 2015
Janus Capital Management 3.07M $366.74M March 31, 2015
Artisan Partners Limited Partnership 2.98M $356.02M March 31, 2015
Vanguard 2.42M $288.64M March 31, 2015
T. Rowe Price Associates 1.98M $236.70M March 31, 2015
Wellington Management Company 1.69M $202.21M March 31, 2015
Capital World Investors^ 1.65M $196.59M March 31, 2015
TCW 1.42M $169.33M March 31, 2015
Macquarie 1.39M $68.04M Dec. 31, 2011
Criterion Capital Management 1.22M $177.81M Dec. 31, 2014
SUSQUEHANNA INTERNATIONAL 1.11M $145.55M Sept. 30, 2014
BlackRock Institutional Trust Company, N.A. 1.09M $129.80M March 31, 2015
Riverbrige Partners 1.05M $125.65M March 31, 2015
BlackRock Fund Advisors 975063 $156.24M March 31, 2014
KORNITZER CAPITAL MANAGEMENT INC /KS 896254 $120.55M Dec. 31, 2013
Franklin Resources 844494 $111.21M Sept. 30, 2014
Barclays 823806 $110.38M Dec. 31, 2013

Who sold athenahealth?

Fund Name Date Sold Number of Shares Sold Share Valuation
TAMRO Capital Partners Dec. 31, 2010 819544 $33.58M
Maverick Capital March 31, 2009 926324 $22.33M