Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001104659-13-010714
Filing Date
2013-02-14
Accepted
2013-02-14 14:37:48
Documents
1

Document Format Files

Seq Description Document Type Size
1 SC 13G/A a13-5049_10sc13ga.htm SC 13G/A 68892
  Complete submission text file 0001104659-13-010714.txt   70396
Mailing Address 225 SOUTH LAKE AVE SUITE 400 PASADENA CA 91101
Business Address 225 SOUTH LAKE AVE STE 400 PASADENA CA 91101-3005 8183049222
PRIMECAP MANAGEMENT CO/CA/ (Filed by) CIK: 0000763212 (see all company filings)

EIN.: 953868081
Type: SC 13G/A

Mailing Address 11950 DEMOCRACY DRIVE SUITE 600 RESTON VA 20190
Business Address 11950 DEMOCRACY DRIVE SUITE 600 RESTON VA 20190 703-438-2000
COMSCORE, INC. (Subject) CIK: 0001158172 (see all company filings)

EIN.: 541955550 | State of Incorp.: DE
Type: SC 13G/A | Act: 34 | File No.: 005-83687 | Film No.: 13612144
SIC: 7389 Services-Business Services, NEC