Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000908733-10-000039
Filing Date
2010-02-01
Accepted
2010-02-01 16:36:50
Documents
1

Document Format Files

Seq Description Document Type Size
1 MONOLITHIC POWER SYSTEMS monolithicpowersystems.htm SC 13G 38885
  Complete submission text file 0000908733-10-000039.txt   41069
Mailing Address 227 W MONROE ST STE 3000 CHICAGO IL 60606
Business Address 227 W MONROE STREET SUITE 3000 CHICAGO IL 60606 3126349231
COLUMBIA WANGER ASSET MANAGEMENT LP (Filed by) CIK: 0000908733 (see all company filings)

EIN.: 363820584 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000

Mailing Address 6409 GUADALUPE MINES ROAD SAN JOSE CA 95120
Business Address 6409 GUADALUPE MINES ROAD SAN JOSE CA 95120 (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 | Act: 34 | File No.: 005-80408 | Film No.: 10563814
SIC: 3674 Semiconductors & Related Devices