EDGAR Filing Documents for 0000807249-13-000223

Form SC 13D - General Statement of Acquisition of Beneficial Ownership:

SEC Accession No. 0000807249-13-000223

Filing Date

2013-08-22

Accepted

2013-08-22 16:09:30

Documents

Document Format Files

Seq	Description	Document	Type	Size
1		vltr_00.htm	SC 13D	199146
	Complete submission text file	0000807249-13-000223.txt		200817

Mailing Address ONE CORPORATE CENTER RYE NY 10580

Business Address ONE CORPORATE CENTER RYE NY 10580-1434 9149215000

GAMCO INVESTORS, INC. ET AL (Filed by) CIK: 0000807249 (see all company filings)

IRS No.: 133056041 | State of Incorp.: NY | Fiscal Year End: 1031
Type: SC 13D
SIC: 0000

Mailing Address 47467 FREMONT BLVD. FREMONT CA 94538

Business Address 47467 FREMONT BLVD. FREMONT CA 94538 510-743-1200

VOLTERRA SEMICONDUCTOR CORP (Subject) CIK: 0001050550 (see all company filings)

IRS No.: 943251865 | Fiscal Year End: 1231
Type: SC 13D | Act: 34 | File No.: 005-80375 | Film No.: 131055400
SIC: 3674 Semiconductors & Related Devices