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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0001269678-11-000098
Filing Date
2011-02-14
Accepted
2011-02-14 06:36:27
Documents
1

Document Format Files

Seq Description Document Type Size
1 athenahealth13g.htm SC 13G 19586
  Complete submission text file 0001269678-11-000098.txt   21780
Mailing Address 151 DETROIT ST. DENVER CO 80206-4805
Business Address 151 DETROIT ST. DENVER CO 80206-4805 3033333863
JANUS CAPITAL MANAGEMENT LLC (Filed by) CIK: 0000812295 (see all company filings)

IRS No.: 753019302 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000

Mailing Address 311 ARSENAL STREET WATERTOWN MA 02472
Business Address 311 ARSENAL STREET WATERTOWN MA 02472 617-402-1000
ATHENAHEALTH INC (Subject) CIK: 0001131096 (see all company filings)

IRS No.: 043387530 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-83638 | Film No.: 11602036
SIC: 7389 Services-Business Services, NEC