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 5.90M $744.30M Sep 2016
Janus Capital Management 4.86M $613.43M Sep 2016
Wellington Management Company 4.61M $580.92M Sep 2016
MORGAN STANLEY 3.58M $458.27M Sep 2016
Sands Capital Management 3.10M $390.56M Sep 2016
Capital Research Global Investors^ 2.85M $359.99M Sep 2016
Vanguard 2.83M $356.77M Sep 2016
T. Rowe Price Associates 2.63M $331.85M Sep 2016
Artisan Partners Limited Partnership 1.70M $213.91M Sep 2016
TCW 1.17M $147.41M Sep 2016
Riverbrige Partners 1.07M $135.26M Sep 2016
BlackRock Institutional Trust Company, N.A. 973812 $122.82M Sep 2016
HHR Asset Management 711965 $89.79M Sep 2016
Millennium Management 643779 $81.18M Sep 2016
Franklin Resources 541503 $68.29M Sep 2016
ClearBridge Advisors 500951 $63.18M Sep 2016
STATE STREET CORPORATION 488466 $61.61M Sep 2016
NORTHERN TRUST 456464 $57.55M Sep 2016
Bank of America Corporation 401342 $50.62M Sep 2016
BlackRock Fund Advisors 390624 $49.27M Sep 2016
Jackson Square Partners 385291 $48.59M Sep 2016
SUSQUEHANNA INTERNATIONAL 360900 $45.52M Sep 2016
EverPoint Asset Management 355000 $44.77M Sep 2016
Bank of New York Mellon 329619 $41.57M Sep 2016
Ruane, Cunniff & Goldfarb 300095 $37.85M Sep 2016
Stephens Investment Management 268162 $33.82M Sep 2016
Geode Capital Management 264822 $33.40M Sep 2016
Royal Bank of Canada 226949 $28.65M Sep 2016
KORNITZER CAPITAL MANAGEMENT INC /KS 221820 $27.98M Sep 2016
Barton Investment Management 213874 $26.97M Sep 2016
EVENTIDE ASSET MANAGEMENT 201200 $25.38M Sep 2016
Sumitomo Mitsui Asset Management Company 191100 $24.10M Sep 2016
Allianz Asset Management AG 191100 $24.10M Sep 2016
Emerald Acquisition 184840 $23.31M Sep 2016
Arrowpoint Asset Management 182310 $22.99M Sep 2016
Macquarie 178031 $22.45M Sep 2016
STATE TREASURER STATE OF MICHIGAN 175100 $22.08M Sep 2016
PICTET ASSET MANAGEMENT 155278 $19.58M Sep 2016
New York State Common Retirement Fund 152979 $19.29M Sep 2016
WOLVERINE TRADING 150701 $18.70M Sep 2016
TIAA-CREF Investment Management 148843 $18.77M Sep 2016
Deutsche Bank Aktiengesellschaft 146345 $17.56M Sep 2016
DIAM 135996 $16.87M Sep 2016
Balyasny Asset Management 135957 $17.15M Sep 2016
Charles Schwab Investment Management 134140 $16.92M Sep 2016
Point72 Asset Management 129600 $16.35M Sep 2016
GOLDMAN SACHS 125126 $15.78M Sep 2016
Wells Fargo & Company 105906 $13.37M Sep 2016
GAGNON SECURITIES 100317 $12.65M Sep 2016
Scoggin 96000 $12.11M Sep 2016
CITADEL ADVISORS 95783 $12.07M Sep 2016
DIMENSIONAL FUND ADVISORS 88990 $11.22M Sep 2016
PEAK6 Investments 88900 $11.21M Sep 2016
SEI INVESTMENTS 88891 $11.37M Sep 2016
CalPERS 83200 $10.49M Sep 2016
California State Teachers Retirement System 83049 $10.47M Sep 2016
AXA 80500 $10.15M Sep 2016
Teachers Advisors 71904 $9.07M Sep 2016
Barclays 68144 $8.60M Sep 2016
Swiss National Bank 63530 $8.01M Sep 2016
Sio Capital Management 57600 $7.27M Sep 2016
Avalon Global Asset Management 57500 $7.25M Sep 2016
Public Employees' Retirement Association of Colorado 57107 $7.20M Sep 2016
Florida State Board of Administration 56540 $7.13M Sep 2016
PURA VIDA INVESTMENTS 55000 $6.94M Sep 2016
Polar Capital 54334 $6.85M Sep 2016
PDT Partners 52000 $6.56M Sep 2016
HUNTINGTON NATIONAL BANK 51992 $6.55M Sep 2016
Gagnon Advisors 49684 $6.27M Sep 2016
Rock Springs Capital Management 45750 $5.77M Sep 2016
Loomis, Sayles and 44923 $5.67M Sep 2016
BAM 41360 $5.22M Sep 2016
RHUMBLINE ADVISERS 40329 $5.09M Sep 2016
First Trust Advisors 39608 $4.99M Sep 2016
TD Asset Management 38314 $4.83M Sep 2016
Tygh Capital Management 33443 $4.22M Sep 2016
Northeast Investment Management 33260 $4.20M Sep 2016
Zurcher Kantonalbank 33015 $4.16M Sep 2016
Criterion Capital Management 31103 $3.92M Sep 2016
BlackRock Advisors 30934 $3.90M Sep 2016
UBS GLOBAL ASSET MANAGEMENT AMERICAS 30517 $3.85M Sep 2016
Parametric Portfolio Associates 28208 $3.56M Sep 2016
BlackRock 27904 $3.52M Sep 2016
Otter Creek Advisors 27600 $3.48M Sep 2016
Credit Suisse AG 26647 $3.36M Sep 2016
ENVESTNET ASSET MANAGEMENT 25931 $3.27M Sep 2016
State of Wisconsin Investment Board 24930 $3.14M Sep 2016
ALLIANCEBERNSTEIN 24321 $3.07M Sep 2016
CAM Group Holding A/S 24000 $3.03M Sep 2016
US BANCORP \DE\ 19916 $2.51M Sep 2016
Chautauqua Capital Management 19898 $3.20M Dec 2015
United Services Automobile Association 19370 $2.44M Sep 2016
PNC FINANCIAL SERVICES 18117 $2.29M Sep 2016
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 18009 $2.27M Sep 2016
ING INVESTMENT MANAGEMENT 17371 $2.19M Sep 2016
OHIO PERS 16514 $2.08M Sep 2016
Brown Advisory Holdings Incorporated 15761 $1.99M Sep 2016
Gilder, Gagnon, Howe & Co 15380 $1.94M Sep 2016
Inves 15056 $1.90M Sep 2016
BlackRock Investment Management 14922 $1.88M Sep 2016
Walleye Trading 12664 $1.60M Sep 2016
KBC Group NV 11797 $1.49M Sep 2016
Baird Financial 10862 $1.37M Sep 2016
SunTrust Banks 10112 $1.28M Sep 2016
Frank Russell Company 9338 $1.31M Mar 2016
Bush O'Donnell Investment Advisors 9308 $1.17M Sep 2016
T. Montgomery Jones 9159 $1.16M Sep 2016
NORDEA INVESTMENT MANAGEMENT AB 9002 $1.13M Sep 2016
First Republic Investment Management 8796 $1.11M Sep 2016
Rockefeller Financial Services 8222 $1.04M Sep 2016
Daiwa SB Investments 8000 $1.01M Sep 2016
Porter Orlin 8000 $1.01M Sep 2016
Glenmede Trust Company, N.A. 7565 $1.04M Sep 2016
BANK OF MONTREAL /CAN/ 7258 $914798 Sep 2016
AQR Capital Management 7249 $914026 Sep 2016
Utah Retirement Systems 7200 $907992 Sep 2016
Evercore Wealth Management 7000 $882980 Sep 2016
STIFEL FINANCIAL 6883 $882262 Sep 2016
Pacad Investment 6400 $806976 Sep 2016
AMALGAMATED BANK 6217 $784025 Sep 2016
Name ATLANTA CAPITAL 6212 $783022 Sep 2016
SIT INVESTMENT ASSOCIATES 6150 $776007 Sep 2016
Citi 5869 $739494 Sep 2016
BlackRock 5599 $705697 Sep 2016
Commonwealth Equity Services 4769 $600989 Sep 2016
FDx Advisors 4724 $595979 Sep 2016
Great-West Life Assurance Company 4358 $549020 Sep 2016
Stephens 4358 $549979 Sep 2016
TEACHER RETIREMENT SYSTEM OF TEXAS 4248 $536012 Sep 2016
Allen Investment Management 4137 $522006 Sep 2016
Aperio 4097 $517000 Sep 2016
BlueCrest Capital Management 4000 $504000 Sep 2016
Cupps Capital Management 3983 $502017 Sep 2016
Name OMERS Administration Corporation 3700 $467014 Sep 2016
IBM Retirement Fund 3685 $465010 Sep 2016
Guggenheim Capital, LLC Managers 3680 $466145 Sep 2016
Sheaff Brock Investment Advisors 3607 $454986 Sep 2016
Legal & General 3379 $428322 Sep 2016
Pacer Advisors 3176 $401001 Sep 2016
Round Table Services 3168 $399991 Sep 2016
LANDSCAPE CAPITAL MANAGEMENT 3006 $378996 Sep 2016
DE BURLO 3000 $378000 Sep 2016
PITCAIRN COMPANY 2969 $374004 Sep 2016
Metropolitan Life Insurance Company 2794 $351988 Sep 2016
Fort Washington Investment Advisors 2755 $346992 Sep 2016
Edgewood Management 2735 $344992 Sep 2016
Bell State Bank and Trust 2615 $330013 Sep 2016
SECOR Capital Advisors 2522 $317998 Sep 2016
Calvert Investment Management 2514 $316990 Sep 2016
Clear Harbor Asset Management 2477 $312002 Sep 2016

Who sold athenahealth?

Fund Name Date Sold Shares Held Valued At
Aureus Asset Management June 30, 2016 197408 $11.41M
Columbus Circle Investors June 30, 2016 104166 $14.38M
JPMORGAN CHASE & CO June 30, 2016 100687 $13.81M
Jennison Associates June 30, 2016 83826 $11.57M
Capital World Investors^ June 30, 2016 65000 $8.97M
LORD, ABBETT & CO June 30, 2016 63138 $8.71M
Canada Pension Plan Investment Board June 30, 2016 51900 $7.16M
D. E. Shaw & Co June 30, 2016 48241 $6.66M
COLUMBIA PARTNERS L L C INVESTMENT MANAGEMENT June 30, 2016 29522 $4.07M
INTEGRAL DERIVATIVES June 30, 2016 20900 $2.88M
JANE STREET June 30, 2016 18600 $2.57M