Marshall Wace North America L.P.

Q1 2019 13F Holdings Report, Stock Holdings

Signature - Title
Patrick J Lawenda - Operations Analyst
Location
New York
Holdings as of
March 31, 2019
Value $
$14.1B
Num holdings
1,508
Date filed
5/14/2019, 05:00 PM
Form type
13F-HR
Description
All US holdings of this investor are reported in this report. Top holdings included ZTS, BSX, PFE, SEE, and DHR.
Previous filing
Q4 2018 - Feb 14, 2019
Options Holdings
Showing stock holdings, see here for options holdings
Sym Weight Trade Impact Company Class Shares Change Activity Value Change $ Value $ * Price $ Shares Principal
Filing 2019 Q1 compared to 2018 Q4 by default.
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.

Person Signing this Report on Behalf of Reporting Manager:

Name Title City, State Date
PATRICK J LAWENDA Operations Analyst New York, New York 5/14/2019

Other Included Managers (2):

Num Name Location File Number
1 Marshall Wace, Llp London, United Kingdom 028-11304
2 MARSHALL WACE ASIA Ltd Central, Hong Kong 028-14472