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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001104659-04-020530
Filing Date
2004-07-22
Accepted
2004-07-22 14:42:40
Documents
1

Document Format Files

Seq Description Document Type Size
1 SC 13G/A a04-8108_12sc13ga.htm SC 13G/A 62523
  Complete submission text file 0001104659-04-020530.txt   64515
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

Mailing Address 129 CONCORD ROAD BILLERICA MA 01821
Business Address 129 CONCORD ROAD BILLERICA MA 01821 978-436-6680
MYKROLIS CORP (Subject) CIK: 0001133082 (see all company filings)

IRS No.: 043536767 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-77998 | Film No.: 04926276
SIC: 3826 Laboratory Analytical Instruments