Marshall Wace, Llp

Q3 2025 13F Holdings Report, Stock Holdings

Signature - Title
Eric Siegel - Operations Manager
Location
London, United Kingdom
Holdings as of
September 30, 2025
Value $
$91B
Num holdings
2,448
Date filed
11/13/2025, 04:50 PM
Form type
13F-HR
Description
All US holdings of this investor are reported in this report. Top holdings included IVV, MSFT, AAPL, AMZN, and NVDA.
Previous filing
Q2 2025 - Aug 13, 2025
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 2025 Q3 compared to 2025 Q2 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
Eric Siegel Operations Manager New York, New York 11/13/2025

Other Included Managers (4):

Num Name Location File Number
1 Marshall Wace North America L.P. New York, NY 028-11377
2 MARSHALL WACE ASIA Ltd Central, Hong Kong 028-14472
3 Marshall Wace Singapore Pte Ltd Singapore, Singapore 028-25074
4 Marshall Wace Middle East Ltd Abu Dhabi, United Arab Emirates 028-25069