Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000912938-13-000047
Filing Date
2013-02-07
Accepted
2013-02-07 15:49:49
Documents
1

Document Format Files

Seq Description Document Type Size
1 MONOLITHIC POWER SYSTEMS, INC. monolithic.htm SC 13G/A 44382
  Complete submission text file 0000912938-13-000047.txt   45946
Mailing Address 111 HUNTINGTON AVENUE 24TH FLOOR BOSTON MA 02199
Business Address 111 HUNTINGTON AVENUE 24TH FLOOR BOSTON MA 02199 18006372929
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (Filed by) CIK: 0000912938 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 79 GREAT OAKS BLVD SAN JOSE CA 95119
Business Address 79 GREAT OAKS BLVD SAN JOSE CA 95119 (408) 826-0600
MONOLITHIC POWER SYSTEMS INC (Subject) CIK: 0001280452 (see all company filings)

EIN.: 770466789 | State of Incorp.: CA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-80408 | Film No.: 13582295
SIC: 3674 Semiconductors & Related Devices