WX [WuXi PharmaTech (Cayman)] SC 13G/A: CUSIP No.: 929352102 1. Names of Reporting Persons:
[CUSIP No.: 929352102 1. Names of Reporting Persons: Manning & Napier Advisors, LLC I.R.S. Identification Nos. of above persons (entities only): 45-3240790 2. Check the Appropriate Box if a Member of a Group (See Instructions): ¨ ¨ (a) 3. SEC Use Only: 4.]
