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Filing Detail
Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0001104659-12-016257
Filing Date
2012-03-07
Accepted
2012-03-07 16:22:29
Documents
1

Document Format Files

Seq Description Document Type Size
1 SC 13G a12-6620_2sc13g.htm SC 13G 69779
  Complete submission text file 0001104659-12-016257.txt   71277
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

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 | Act: 34 | File No.: 005-83687 | Film No.: 12674472
SIC: 7389 Services-Business Services, NEC