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 4.93M $649.85M Sept. 30, 2014
MORGAN STANLEY 4.87M $710.02M Dec. 31, 2014
Sands Capital Management 4.81M $700.82M Dec. 31, 2014
Artisan Partners Holdings 4.28M $175.85M June 30, 2011
Capital Research Global Investors^ 3.31M $482.53M Dec. 31, 2014
Janus Capital Management 3.08M $449.37M Dec. 31, 2014
Artisan Partners Limited Partnership 3.08M $449.25M Dec. 31, 2014
Vanguard 2.30M $334.44M Dec. 31, 2014
T. Rowe Price Associates 1.98M $288.17M Dec. 31, 2014
TCW 1.76M $256.09M Dec. 31, 2014
Wellington Management Company 1.72M $250.02M Dec. 31, 2014
Capital World Investors^ 1.65M $230.05M Dec. 31, 2014
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
Riverbrige Partners 1.04M $152.03M Dec. 31, 2014
BlackRock Fund Advisors 975063 $156.24M March 31, 2014
BlackRock Institutional Trust Company, N.A. 945365 $137.74M Dec. 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
NORTHERN TRUST 775184 $124.28M March 31, 2014
STATE STREET CORPORATION 754211 $55.40M Dec. 31, 2013

Who sold athenahealth?

Fund Name Date Sold Number of Shares Sold Share Valuation
Ameriprise Financial March 31, 2011 794900 $35.87M
TAMRO Capital Partners Dec. 31, 2010 819544 $33.58M
Maverick Capital June 30, 2009 751316 $27.81M