Ticker: CSIQ, Company: Canadian Solar Inc., Type: SC 13G/A, Date: 2010-02-09
Original SEC Filing: Click here

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Webplus: CSIQ/20100209/SC_13G.A/1/000.htm SEC Original: canadiansolar.htm
CUSIP No 136635109 13G Page 2 of 5 1 NAMES OF REPORTING PERSONS Columbia Wanger Asset Management, L.P. 04-3519872 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ ] 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5

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Company Information:

Ticker: CSIQ, Company: Canadian Solar Inc., Type: SC 13G/A, Date: 2010-02-09CIK: 0001375877, Location: A6, SIC: 3674, SIC Desc: SEMICONDUCTORS & RELATED DEVICES
Business Phone & Address:
545 SPEEDVALE AVENUE
ONTARIO, A6 N1K 1E6