Notable Holders of Athenahealth, Inc. (ATHN)
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Expand Research on ATHN
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* Does Not Fully Represent All Holders
| Fund | Title | Shares | % Owned | Source |
|---|---|---|---|---|
| Fidelity Investments | COM | 5,247,988 | 14.85% | 13F |
| MORGAN STANLEY | COM | 4,245,787 | 12.02% | 13F |
| Artisan Partners Limited Partnership | COM | 4,111,800 | 11.64% | 13F |
| PRICE T ROWE ASSOCIATES INC /MD/ | COMM STK | 2,213,115 | 6.26% | 13F |
| JANUS CAPITAL MANAGEMENT LLC | COM | 1,898,828 | 5.37% | 13F |
| VANGUARD GROUP INC | COM | 1,623,255 | 4.59% | 13F |
| MACQUARIE GROUP LTD | COMMON STOCK | 1,133,422 | 3.21% | 13F |
| BlackRock Institutional Trust Company, N.A. | COM | 921,056 | 2.61% | 13F |
| STATE STREET CORP | COMMON STOCK | 746,568 | 2.11% | 13F |
| BlackRock Fund Advisors | COM | 724,233 | 2.05% | 13F |
| TCW GROUP INC | COM | 653,439 | 1.85% | 13F |
| RIVERBRIDGE PARTNERS LLC | COM | 651,842 | 1.85% | 13F |
| LORD ABBETT & CO LLC | COM | 583,413 | 1.65% | 13F |
| NORTHERN TRUST CORP | COM | 547,455 | 1.55% | 13F |
| NEXT CENTURY GROWTH INVESTORS LLC | 546,012 | 1.55% | 13F | |
| WELLS FARGO & CO/MN | EQUITY | 421,923 | 1.19% | 13F |
| GENEVA INVESTMENT MANAGEMENT OF CHICAGO LLC | COM | 367,918 | 1.04% | 13F |
| WASHINGTON TRUST CO | COMMON STOCK | 354,337 | 1.00% | 13F |
| AMERIPRISE FINANCIAL INC | COM | 290,600 | 0.82% | 13F |
| SANDS CAPITAL MANAGEMENT, LLC | 265,977 | 0.75% | 13F | |
| Cupps Capital Management, LLC | COM | 245,380 | 0.69% | 13F |
| Clearbridge Advisors, LLC | COM | 242,406 | 0.69% | 13F |
| Barton Investment Management | COMMON STOCK | 207,740 | 0.59% | 13F |
| IRONBRIDGE CAPITAL MANAGEMENT LP | COM | 193,296 | 0.55% | 13F |
| TIAA CREF INVESTMENT MANAGEMENT LLC | COM | 170,845 | 0.48% | 13F |
| Stephens Investment Management Group LLC | COM | 170,689 | 0.48% | 13F |
| PEAK6 Investments, L.P. | COM | 141,600 | 0.40% | 13F |
| GAGNON SECURITIES LLC | COM | 136,004 | 0.38% | 13F |
| SCHWAB CHARLES INVESTMENT MANAGEMENT INC | COM | 133,108 | 0.38% | 13F |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | * ATHENAHEALTH INC COM | 107,882 | 0.31% | 13F |
| GEODE CAPITAL MANAGEMENT LLC | COM | 105,042 | 0.30% | 13F |
| OPPENHEIMER FUNDS INC | COM | 103,990 | 0.29% | 13F |
| BlackRock Investment Management, LLC | COM | 102,507 | 0.29% | 13F |
| CREDIT SUISSE AG/ | COM | 95,533 | 0.27% | 13F |
| TEACHERS ADVISORS INC | COM | 74,786 | 0.21% | 13F |
| SANDLER CAPITAL MANAGEMENT | COM | 70,000 | 0.20% | 13F |
| 300 NORTH CAPITAL, LLC | COM | 64,970 | 0.18% | 13F |
| DIMENSIONAL FUND ADVISORS LP | COM | 61,275 | 0.17% | 13F |
| AH Lisanti Capital Growth, LLC | COM | 57,527 | 0.16% | 13F |
| DRIEHAUS CAPITAL MANAGEMENT LLC | COM | 55,445 | 0.16% | 13F |
| DEUTSCHE BANK AG\ | COM | 55,263 | 0.16% | 13F |
| CITIGROUP INC | COM | 53,758 | 0.15% | 13F |
| BARCLAYS PLC | COM | 51,643 | 0.15% | 13F |
| SAC Capital | COMMON | 47,787 | 0.14% | 13F |
| RUSSELL FRANK CO/ | COMMON STOCKS | 46,546 | 0.13% | 13F |
| BROWN ADVISORY HOLDINGS INC | COM | 45,162 | 0.13% | 13F |
| ROYAL BANK OF CANADA \ | COM | 44,281 | 0.13% | 13F |
| RENAISSANCE TECHNOLOGIES LLC | COM | 41,900 | 0.12% | 13F |
| JACOBS LEVY EQUITY MANAGEMENT INC | COM | 41,370 | 0.12% | 13F |
| BESSEMER GROUP INC | SC | 38,437 | 0.11% | 13F |
| LOS ANGELES CAPITAL MANAGEMENT & EQUITY RESEARCH INC | COM | 37,719 | 0.11% | 13F |
| PARAMETRIC PORTFOLIO ASSOCIATES | Common Stock | 32,688 | 0.09% | 13F |
| OPPENHEIMER & CO INC | COM | 30,943 | 0.09% | 13F |
| FCM INVESTMENTS/TX | COMMON US | 29,078 | 0.08% | 13F |
| AMERICAN INTERNATIONAL GROUP INC | COM | 28,693 | 0.08% | 13F |
| Manulife Asset Management (North America) Ltd | COM | 27,866 | 0.08% | 13F |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | COM | 27,630 | 0.08% | 13F |
| TD ASSET MANAGEMENT INC | COM | 25,700 | 0.07% | 13F |
| RCM CAPITAL MANAGEMENT LLC | COM | 25,100 | 0.07% | 13F |
| ING INVESTMENT MANAGEMENT CO | COM | 24,180 | 0.07% | 13F |
| BLACKROCK ADVISORS LLC | COM | 23,878 | 0.07% | 13F |
| OLD MUTUAL ASSET MANAGERS UK LTD | COM | 23,274 | 0.07% | 13F |
| WEISEL THOMAS PARTNERS ASSET MANAGEMENT LLC | COM | 23,108 | 0.07% | 13F |
| GUGGENHEIM CAPITAL LLC | COM | 20,458 | 0.06% | 13F |
| AQR CAPITAL MANAGEMENT LLC | COM | 20,000 | 0.06% | 13F |
| Wellspring Management, LLC | COM | 20,000 | 0.06% | 13F |
| Spot Trading L.L.C (CALL) | COM | 19,300 | 0.05% | 13F |
| CREDIT AGRICOLE S A | COM | 18,399 | 0.05% | 13F |
| CAXTON ASSOCIATES LP | COM | 16,159 | 0.05% | 13F |
| MAZAMA CAPITAL MANAGEMENT INC | COM | 15,390 | 0.04% | 13F |
| NOMURA ASSET MANAGEMENT CO LTD | 15,000 | 0.04% | 13F | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | COM | 14,950 | 0.04% | 13F |
| NEW YORK STATE COMMON RETIREMENT FUND | COMMON STOCK | 14,718 | 0.04% | 13F |
| Placemark Investments, Inc. | COM | 14,245 | 0.04% | 13F |
| Liberty Mutual Group Asset Management Inc. | COM | 13,802 | 0.04% | 13F |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 13,570 | 0.04% | 13F | |
| MILLENNIUM MANAGEMENT LLC | COM | 12,262 | 0.03% | 13F |
| UBS AG | COM | 12,185 | 0.03% | 13F |
| JPMORGAN CHASE & CO | COMMON | 11,952 | 0.03% | 13F |
| Magnetar Financial LLC | COM | 11,516 | 0.03% | 13F |
| PRINCIPAL FINANCIAL GROUP INC | COM | 11,133 | 0.03% | 13F |
| PNC FINANCIAL SERVICES GROUP INC | COM | 10,644 | 0.03% | 13F |
| KNIGHT CAPITAL GROUP, INC. | COM | 10,550 | 0.03% | 13F |
| BlackRock Group LTD | COM | 10,046 | 0.03% | 13F |
| Evercore Wealth Management, LLC | COM | 9,950 | 0.03% | 13F |
| HBK INVESTMENTS L P | COM | 9,800 | 0.03% | 13F |
| GLOBEFLEX CAPITAL L P | COM | 9,000 | 0.03% | 13F |
| TOCQUEVILLE ASSET MANAGEMENT LP | COM | 8,000 | 0.02% | 13F |
| SHEETS SMITH WEALTH MANAGEMENT | COM | 7,997 | 0.02% | 13F |
| TURNER INVESTMENT PARTNERS INC | COM | 7,083 | 0.02% | 13F |
| Invesco Ltd. | COMMON | 7,007 | 0.02% | 13F |
| SG Americas Securities, LLC | 6,026 | 0.02% | 13F | |
| DEERE & CO | COM | 5,790 | 0.02% | 13F |
| WEXFORD CAPITAL LP | COM | 5,738 | 0.02% | 13F |
| BALDWIN BROTHERS INC/MA | COM | 5,565 | 0.02% | 13F |
| Neuberger Berman Group LLC | COMMON STOCK | 4,751 | 0.01% | 13F |
| Voleon Capital Management LP | COMMON | 4,700 | 0.01% | 13F |
| GSA CAPITAL PARTNERS LLP | COM | 4,658 | 0.01% | 13F |
| HighTower Advisors, LLC | COM | 4,646 | 0.01% | 13F |
| BLUESTEIN R H & CO | COM | 4,500 | 0.01% | 13F |
| World Asset Management Inc | COM | 4,112 | 0.01% | 13F |
| ALLSTATE CORP | COMMON | 3,880 | 0.01% | 13F |
| COOLIDGE FRANCIS L | COMMON STOCK | 3,828 | 0.01% | 13F |
| COMERICA BANK | COM | 3,613 | 0.01% | 13F |
