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
MORGAN STANLEY 4.68M $629.11M Dec. 31, 2013
FMR 4.34M $583.60M Dec. 31, 2013
Artisan Partners Holdings 4.28M $175.85M June 30, 2011
Sands Capital Management 3.38M $454.62M Dec. 31, 2013
Artisan Partners Limited Partnership 3.17M $425.85M Dec. 31, 2013
Janus Capital Management 2.69M $361.66M Dec. 31, 2013
Capital Research Global Investors^ 2.48M $333.30M Dec. 31, 2013
T. Rowe Price Associates 2.22M $298.23M Dec. 31, 2013
Vanguard 2.20M $295.81M Dec. 31, 2013
TCW 1.54M $206.47M Dec. 31, 2013
Criterion Capital Management 1.23M $118.92M March 31, 2013
Capital World Investors^ 1.17M $156.69M Dec. 31, 2013
Riverbrige Partners 1.12M $150.78M Dec. 31, 2013
BlackRock Institutional Trust Company, N.A. 962874 $129.51M Dec. 31, 2013
BlackRock Fund Advisors 947586 $127.45M Dec. 31, 2013
KORNITZER CAPITAL MANAGEMENT INC /KS 896254 $120.55M Dec. 31, 2013
Barclays 823806 $110.38M Dec. 31, 2013
SUSQUEHANNA INTERNATIONAL 817095 $109.90M Dec. 31, 2013
Franklin Resources 792461 $106.59M Dec. 31, 2013
STATE STREET CORPORATION 754211 $55.40M Dec. 31, 2013
William Blair $ Company 715323 $35.14M Dec. 31, 2011
VIKING GLOBAL INVESTORS 713531 $60.46M June 30, 2013
RCM Capital Management 637774 $31.31M Dec. 31, 2011
ClearBridge Advisors 605258 $81.41M Dec. 31, 2013
Macquarie 604769 $65.65M Sept. 30, 2013
NORTHERN TRUST 589446 $79.29M Dec. 31, 2013
TAMRO Capital Partners 561247 $44.43M June 30, 2012
Next Century Growth Investors 550718 $27.05M Dec. 31, 2011
MANAGED ACCOUNT ADVISORS 544834 $73.28M Dec. 31, 2013

Who sold athenahealth?

Fund Name Date Sold Number of Shares Sold Share Valuation
Daniel D. Thurber June 30, 2011 735873 $30.24M
Ameriprise Financial June 30, 2011 715702 $29.42M
ALLIANCEBERNSTEIN June 30, 2011 692682 $28.47M
Columbia Wanger Asset Management March 31, 2011 546000 $24.64M
Washington Trust Company Dec. 31, 2010 568662 $23.30M
Maverick Capital Sept. 30, 2009 582368 $22.35M