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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000902219-13-000446
Filing Date
2013-02-14
Accepted
2013-02-14 13:26:36
Documents
1

Document Format Files

Seq Description Document Type Size
1 DISCLOSURE DOCUMENT sec_filing.htm SC 13G 17754
  Complete submission text file 0000902219-13-000446.txt   19460
Mailing Address 600 RIVERPARK DRIVE NORTH READING MA 01864
Business Address 600 RIVERPARK DRIVE NORTH READING MA 01864 978-370-2700
TERADYNE, INC (Subject) CIK: 0000097210 (see all company filings)

IRS No.: 042272148 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-13066 | Film No.: 13610248
SIC: 3825 Instruments For Meas & Testing of Electricity & Elec Signals

Mailing Address 280 CONGRESS STREET BOSTON MA 02210
Business Address 280 CONGRESS STREET BOSTON MA 02210 6179515000
WELLINGTON MANAGEMENT CO LLP (Filed by) CIK: 0000902219 (see all company filings)

IRS No.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000