The rise and fall of Marshall Wace North America L.P. Q2 2021 to Q3 2021 Fund Holdings

Marshall Wace North America L.P. has filed its 13F with the U.S. Securities and Exchange Commission (SEC), disclosing its equity portfolio as of September 30, 2021. The SEC Form 13F contains important information about any changes to the holdings of funds managed by a registered investment manager. The report shows the firm's portfolio and the changes that occurred during the July-September quarter compared to the previous quarter.

Marshall Wace's 13F creates a snapshot of the firm's equity portfolio based on all long positions in stocks and options in the United States. As of Q3 2021, the value of Marshall Wace's portfolio listed in the 13F SEC filing was approximately $15.7 billion.

In Q3 2021, Amazon.com Inc (AMZN) remained the top position in the portfolio as Marshall Wace North America L.P. increased its holdings by 4.2%. Meanwhile, MARSHALL WACE's holdings in Microsoft Corp (MSFT) increased by 14.3%, making it the second-largest position in the portfolio, followed by Alphabet Class B (GOOGL) with a 9.3% increase in the stock.

On the other hand, the largest reduction in Marshall Wace's portfolio was seen in Meta Platforms, Inc. Class A (META), which saw a decrease of 22% in the number of shares held, followed by UnitedHealth Group Inc (UNH) with a decrease of 31.6%.

Marshall Wace's portfolio changes reflect the current market trends of the Q3 2021 period. The top holdings in the technology sector continue to be the largest contributors to the portfolio's overall value, with Amazon.com Inc, Microsoft Corp, and Alphabet Class B taking the top three positions.

In terms of percentage increase for Q3, some of the top-performing stocks in Marshall Wace's portfolio include Uber Technologies, Inc (UBER), which increased by 2725.6%, Netflix Inc (NFLX) by 150.7%, and Lamb Weston Holdings, Inc (LW) by 1848.7%. Meanwhile, Pfizer Inc (PFE) saw a 912.3% increase in shares held.

Marshall Wace North America L.P. made adjustments within its portfolio, with some positions increased and some reduced, reflecting the fund's investment philosophy and current market trends. The fund's latest 13F provides useful information for investors who may be interested in following and analyzing its equity trading activities.