EDGAR Filing Documents for 0001104659-13-047960

Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]

SEC Accession No. 0001104659-13-047960

Filing Date

2013-06-10

Accepted

2013-06-10 10:54:53

Documents

Document Format Files

Seq	Description	Document	Type	Size
1	SC 13G/A	a13-14659_1sc13ga.htm	SC 13G/A	69967
	Complete submission text file	0001104659-13-047960.txt		71471

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)

IRS No.: 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)

IRS No.: 541955550 | State of Incorp.: DE
Type: SC 13G/A | Act: 34 | File No.: 005-83687 | Film No.: 13902405
SIC: 7389 Services-Business Services, NEC