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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0001104659-10-033126
Filing Date
2010-06-09
Accepted
2010-06-09 14:24:09
Documents
1

Document Format Files

Seq Description Document Type Size
1 SC 13G a10-11751_3sc13g.htm SC 13G 72111
  Complete submission text file 0001104659-10-033126.txt   73918
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 215 NORTH MARENGO AVENUE PASADENA CA 91101
Business Address 215 NORTH MARENGO AVENUE PASADENA CA 91101 6262299191
Guidance Software, Inc. (Subject) CIK: 0001375557 (see all company filings)

IRS No.: 954661210 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-82879 | Film No.: 10886925
SIC: 7372 Services-Prepackaged Software