Signature - Title
William Kang - Operations Analyst
Location
Cos Cob
Holdings as of
March 31, 2014
Num holdings
0
Date filed
5/14/2014, 11:11 AM
Description
No holdings are reported in this report, and all US holdings are reported by other reporting manager(s). The Form 13F report requires disclosure of the manager that files the report, the name and class of the security, the CUSIP code, the number of shares as of the end of the calendar quarter for which the report is filed, and the total market value. The market value column should not be used as a substitute for Assets Under Management (AUM), as it does not include cash held in accounts.
Previous filing
Q4 2013 - Feb 14, 2014

Marshall Wace North America L.P. didn't report any stock holdings as of Q1 2014.

Person Signing this Report on Behalf of Reporting Manager:

Name Title City, State Date
Christopher Messiana Head of Operations Cos Cob, Connecticut 5/14/2014

MARSHALL WACE, LLP is reporting for Marshall Wace North America L.P.:

Name Holdings Value Location File Number
MARSHALL WACE, LLP $77B London, United Kingdom 028-11304