Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000898358-13-000017
Filing Date
2013-01-24
Accepted
2013-01-24 11:07:20
Documents
1

Document Format Files

Seq Description Document Type Size
1 mksinstruments2012.txt SC 13G/A 6296
  Complete submission text file 0000898358-13-000017.txt   7853
Mailing Address PO BOX 918 SHAWNEE MISSION KS 66201
Business Address P O BOX 918 SHAWNEE MISSION KS 66201 9136777778
KORNITZER CAPITAL MANAGEMENT INC /KS (Filed by) CIK: 0000898358 (see all company filings)

EIN.: 481069845 | State of Incorp.: KS | Fiscal Year End: 0331
Type: SC 13G/A
SIC: 0000

Mailing Address 2 TECH DRIVE SUITE 201 ANDOVER MA 01810
Business Address 2 TECH DRIVE SUITE 201 ANDOVER MA 01810 978-645-5500
MKS INSTRUMENTS INC (Subject) CIK: 0001049502 (see all company filings)

EIN.: 042277512 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-58011 | Film No.: 13544481
SIC: 3823 Industrial Instruments For Measurement, Display, and Control