LONDON X0 Investment Advisor
13F Summary
Marshall Wace, LLP is based out of London. Marshall Wace, LLP is a registered investment advisory firm Their last reported 13F filing for Q3 2023 included $49,372,434,718 in managed 13F securities and a top 10 holdings concentration of 23.11%. Marshall Wace, LLP's largest holding is iShares Core S&P 500 ETF-iShares Core S&P 500 ETF with shares held of 9,018,000. Whalewisdom has at least 81 13F filings, and 37 13G filings


Top Buys (13F)

Name % Change
IVV iShares Core S&P 500 3.74%
HUM Humana, Inc. 1%
KVUE Kenvue Inc 0.94%
ABBV AbbVie Inc 0.94%
ADBE Adobe Systems, Inc. 0.76%


Top Sells (13F)

Name % Change
AMZN Inc. 1.4%
AAPL Apple Inc 1.29%
SPY SPDR S&P 500 ETF TRU 0.96%
ATVI Activision Blizzard 0.82%
MCK McKesson Corp. 0.68%


13F Holdings Summary

Name $ Change
IVV iShares Core S&P 500 7.84%
MSFT Microsoft Corp. 3.76%
AMZN Inc. 2.02%
META Meta Platforms Inc 1.63%
NVDA NVIDIA Corp. 1.58%


13F Activity

Market Value $49.4b, Prior: $51.2b
New Purchases 505 stocks
Additional Purchases 658 stocks
Sold out of 776 stocks
Reduced holdings in 813 stocks
Top 10 Holdings % 23.11%
Turnover %[1] 60.17%
Turnover Alt %[2] 38.15%
Time Held Top 20 2.65 quarters
Time Held Top 10 4.2 quarters
Time Held All 5.86 quarters

[1]: Turnover is calculated by taking the # of new holdings (initial purchases) + the # of positions sold out of (not just reduced) divided by the total # of holdings for the quarter.

[2]: Alt Turnover is calculated by taking either the total MV of new purchases or the MV of securities sold, whichever is less, divided by the total MV of the fund.


13F Sector Allocation Over Time



Top 20 equal-weighted holdings. Performance numbers calculated through 2023-09-30

Portfolio Performance