Who owns athenahealth?

Top Holders and Investors of ATHN Stock

Find out what company owns athenahealth, who bought ATHN this quarter, and who sold shares of ATHN stock?

Fund or Company Name Number of Shares Valued At As Of
Fmr 5.98M $839.80M Jun 2017
Janus Capital Management 5.72M $644.45M Mar 2017
Morgan Stanley 4.51M $508.81M Mar 2017
Wellington Management Company 3.86M $542.98M Jun 2017
T. Rowe Price Associates 3.12M $438.10M Jun 2017
Vanguard 3.10M $435.73M Jun 2017
Nomura Holdings 2.68M $376.76M Jun 2017
Sands Capital Management 2.31M $324.30M Jun 2017
Capital Research Global Investors^ 1.77M $199.24M Mar 2017
BlackRock Institutional Trust Company, N.A. 1.04M $109.35M Dec 2016
Riverbrige Partners 1.03M $145.31M Jun 2017
ClearBridge Advisors 909453 $127.82M Jun 2017
Goldman Sachs 681779 $95.82M Jun 2017
Credit Suisse AG 656683 $92.27M Jun 2017
Artisan Partners Limited Partnership 612536 $86.09M Jun 2017
Arrowpoint Asset Management 518131 $72.82M Jun 2017
State Street Corporation 512675 $72.05M Jun 2017
Hitchwood Capital Management 500000 $70.28M Jun 2017
Senator Investment 450000 $63.25M Jun 2017
Sumitomo Mitsui Asset Management Company 435330 $61.19M Jun 2017
Allianz Asset Management AG 430265 $60.47M Jun 2017
EverPoint Asset Management 417500 $43.91M Dec 2016
BlackRock Fund Advisors 413123 $43.45M Dec 2016
Susquehanna International 395800 $55.63M Jun 2017
Elliott Management Corporation 375000 $52.71M Jun 2017
Bank of New York Mellon 347405 $48.82M Jun 2017
Jackson Square Partners 338247 $47.54M Jun 2017
Geode Capital Management 327339 $46.01M Jun 2017
Ruane, Cunniff & Goldfarb 306444 $43.07M Jun 2017
Stephens Investment Management 270952 $38.08M Jun 2017
Barton Investment Management 239194 $33.62M Jun 2017
Bank of America Corporation 223997 $25.24M Mar 2017
Northern Trust 220255 $30.95M Jun 2017
Kornitzer Capital Management Inc /ks 205250 $28.85M Jun 2017
ARK Investment Management 194366 $27.32M Jun 2017
Lmm 191935 $26.98M Jun 2017
Emerald Acquisition 184840 $23.31M Sep 2016
Pictet Asset Management 183642 $24.60M Jun 2017
Dimensional Fund Advisors 173106 $24.33M Jun 2017
Citadel Advisors 171405 $24.09M Jun 2017
Charles Schwab Investment Management 170978 $24.03M Jun 2017
Royce & Associates 158400 $22.26M Jun 2017
D. E. Shaw & Co 155078 $21.80M Jun 2017
Peregrine Capital Management 138661 $19.49M Jun 2017
TIAA-CREF Investment Management 136390 $19.17M Jun 2017
Nikko Asset Management Americas 130900 $18.40M Jun 2017
Sumitomo Mitsui Trust Holdings 123300 $17.33M Jun 2017
Two Sigma Advisers 121048 $13.64M Mar 2017
Toronto-Dominion Bank 120000 $16.86M Jun 2017
Scout Investments 115663 $16.26M Jun 2017
New York State Common Retirement Fund 111600 $15.69M Jun 2017
Balyasny Asset Management 111429 $15.66M Jun 2017
Wolverine Trading 109000 $15.44M Jun 2017
PEAK6 Investments 101400 $14.25M Jun 2017
Natixis 100000 $14.05M Jun 2017
Sei Investments 93858 $18.77M Jun 2017
Macquarie 90352 $12.70M Jun 2017
Avalon Global Asset Management 85780 $12.06M Jun 2017
Wells Fargo & Company 82048 $11.53M Jun 2017
Vista Equity Partners III 78097 $10.98M Jun 2017
Teachers Advisors 74015 $10.40M Jun 2017
CalPERS 73800 $10.37M Jun 2017
Zurcher Kantonalbank 72918 $10.25M Jun 2017
California State Teachers Retirement System 70328 $9.89M Jun 2017
Cutler 66139 $9.27M Jun 2017
Swiss National Bank 65830 $9.25M Jun 2017
Gagnon Securities 62193 $8.74M Jun 2017
Florida State Board of Administration 57749 $8.12M Jun 2017
Public Employees' Retirement Association of Colorado 56089 $7.88M Jun 2017
Huntington National Bank 55848 $7.86M Jun 2017
TD Asset Management 55210 $7.76M Jun 2017
Millennium Management 52366 $7.36M Jun 2017
Eventide Asset Management 51200 $5.77M Mar 2017
Barclays 47245 $6.64M Jun 2017
Rhumbline Advisers 44440 $6.25M Jun 2017
Pura Vida Investments 43000 $6.04M Jun 2017
Quantitative Investment Management 40500 $5.69M Jun 2017
Canada Pension Plan Investment Board 40500 $5.69M Jun 2017
BlackRock Advisors 34216 $3.60M Dec 2016
BlackRock 31302 $3.29M Dec 2016
Oppenheimer Asset Management 31237 $4.39M Jun 2017
Ubs Global Asset Management Americas 30536 $4.29M Jun 2017
Parametric Portfolio Associates 30397 $4.27M Jun 2017
Envestnet Asset Management 29177 $4.10M Jun 2017
Gagnon Advisors 27370 $3.85M Jun 2017
Walleye Trading 26700 $3.75M Jun 2017
Spot Trading 24100 $3.39M Jun 2017
United Services Automobile Association 23695 $3.33M Jun 2017
Alliancebernstein 22340 $3.14M Jun 2017
Two Sigma Investments 21719 $2.45M Mar 2017
Portolan Capital Management 21653 $3.04M Jun 2017
Us Bancorp \de\ 19539 $2.75M Jun 2017
Spot Trading L.L.C 19511 $2.22M Mar 2017
BlackRock Investment Management 18735 $1.97M Dec 2016
Inves 18637 $2.62M Jun 2017
Deutsche Bank Aktiengesellschaft 17264 $2.42M Jun 2017
Ohio Pers 16969 $2.38M Jun 2017
Pnc Financial Services 16521 $2.32M Jun 2017
HAP Trading 15700 $99067 Jun 2017
UBS Group AG 15550 $2.19M Jun 2017
Ing Investment Management 15212 $2.14M Jun 2017
Legal & General 14358 $2.02M Jun 2017
Cribstone Capital Management 14186 $1.99M Jun 2017
PDT Partners 13900 $1.95M Jun 2017
Massachusetts Financial Services Co /ma/ 12463 $1.75M Jun 2017
Wesbanco Trust And Investments 12461 $1.75M Jun 2017
Glenmede Trust Company, N.A. 12358 $1.39M Jun 2017
BlueCrest Capital Management 12012 $1.69M Jun 2017
Picton Mahoney Asset Management 10000 $1.41M Jun 2017
Brown Advisory Holdings Incorporated 9895 $1.39M Jun 2017
First Republic Investment Management 9349 $1.31M Jun 2017
Bush O'Donnell Investment Advisors 9280 $1.30M Jun 2017
SunTrust Banks 9112 $1.22M Jun 2017
Citi 8589 $1.21M Jun 2017
Stifel Financial 8246 $1.17M Jun 2017
Tokio Marine Asset Management 8200 $1.15M Jun 2017
Sunrise Partners Limited Partnership 7909 $1.11M Jun 2017
State of Wisconsin Investment Board 7868 $1.11M Jun 2017
Parallax Volatility Advisers 7500 $1.05M Jun 2017
Amalgamated Bank 7364 $1.04M Jun 2017
Utah Retirement Systems 7200 $1.01M Jun 2017
Evercore Wealth Management 7094 $981100 Jun 2017
Aperio 6709 $943017 Jun 2017
Cubist Systematic Strategies 6447 $905996 Jun 2017
Keybank National Association/oh 6412 $901014 Jun 2017
KCG Holdings 6412 $901014 Jun 2017
Brandywine Managers 6180 $868969 Jun 2017
Allen Investment Management 6133 $861993 Jun 2017
William Blair $ Company 6055 $851030 Jun 2017
Bank Of Montreal /can/ 5629 $790874 Jun 2017
Jefferies 5567 $781996 Jun 2017
Russell Investments 5409 $760018 Jun 2017
BlackRock 5204 $547460 Dec 2016
Franklin Resources 5051 $709412 Jun 2017
HighTower Advisors 5039 $706014 Jun 2017
Seven Eight Capital 4987 $701022 Jun 2017
Stephens 4943 $694985 Jun 2017
Marshall Wace North America 4834 $681980 Jun 2017
FDx Advisors 4761 $669015 Jun 2017
OppenheimerFunds 4604 $647000 Jun 2017
Pacer Advisors 4468 $628022 Jun 2017
Great-West Life Assurance Company 4358 $610991 Jun 2017
AQR Capital Management 4099 $575991 Jun 2017
Guggenheim Capital, LLC Managers 4006 $572297 Jun 2017
Cupps Capital Management 3983 $502017 Sep 2016
Commonwealth Equity Services 3907 $549011 Jun 2017
Raymond James Financial Services Advisors 3902 $547996 Jun 2017
Raymond James & Associates 3879 $544999 Jun 2017
Dynamic Technology Lab Private 3729 $523999 Jun 2017
Sheaff Brock Investment Advisors 3607 $506999 Jun 2017

Who sold athenahealth?

Fund Name Date Sold Shares Held Valued At
HHR Asset Management March 31, 2017 707685 $79.76M
Partner Fund Management March 31, 2017 342540 $38.60M
Point72 Asset Management March 31, 2017 253327 $28.55M
361 Capital March 31, 2017 66818 $7.53M
Rock Springs Capital Management March 31, 2017 62750 $7.07M
Polar Capital March 31, 2017 43987 $4.95M
Tamarack Advisers Dec. 31, 2016 41000 $4.31M
Stevens Capital Management March 31, 2017 40595 $4.58M
Otter Creek Advisors March 31, 2017 38700 $4.36M
Highbridge Capital Management March 31, 2017 27481 $3.10M
Marshall Wace Asia March 31, 2017 25927 $2.93M
Sandler Capital Management March 31, 2017 22500 $2.54M
CAM Group Holding A/S March 31, 2017 19843 $2.24M
Clinton March 31, 2017 19576 $2.21M