Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000812295-05-000067
Filing Date
2005-11-10
Accepted
2005-11-10 15:08:59
Documents
1

Document Format Files

Seq Description Document Type Size
1 13G 10/31/2005 COSTAR GROUP csgp11102005.txt SC 13G 5928
  Complete submission text file 0000812295-05-000067.txt   8180
Mailing Address 100 FILLMORE STREET 2ND FLOOR DENVER CO 80206-4923
Business Address 100 FILLMORE STREET 2ND FLOOR DENVER CO 80206-4923 3033333863
JANUS CAPITAL MANAGEMENT LLC (Filed by) CIK: 0000812295 (see all company filings)

State of Incorp.: CO | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000

Mailing Address 2 BETHESDA METRO CENTER BETHESDA MD 20814
Business Address 2 BETHESDA METRO CENTER 10TH FLOOR BETHESDA MD 20814 3012158300
COSTAR GROUP INC (Subject) CIK: 0001057352 (see all company filings)

EIN.: 522091508 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-54369 | Film No.: 051193526
SIC: 7389 Services-Business Services, NEC