Texas Pacific Land Set to Join S&P 500, Mueller Industries to Join S&P MidCap 400 and Atlas Energy Solutions to Join S&P SmallCap 600

NEW YORK, Nov. 21, 2024 /PRNewswire/ -- S&P MidCap 400 constituent Texas Pacific Land Corp. (NYSE: TPL) will replace Marathon Oil Corp. (NYSE: MRO) in the S&P 500, S&P SmallCap 600 constituent Mueller Industries Inc. (NYSE: MLI) will replace Texas Pacific Land in the S&P MidCap 400, and Atlas Energy Solutions Inc. (NYSE: AESI) will replace Mueller Industries in the S&P SmallCap 600 effective prior to the opening of trading on Tuesday, November 26. S&P 500 & 100 constituent ConocoPhillips (NYSE: COP) is acquiring Marathon Oil in a deal expected to close November 22, pending final closing conditions. Texas Pacific Land and Mueller Industries have company level market capitalizations that are more representative of the large-cap and mid-cap market space, respectively.

Following is a summary of the changes that will take place prior to the open of trading on the effective date:

Effective Date

Index Name       

Action

Company Name

Ticker

GICS Sector 

November 26, 2024

S&P 500

Addition

Texas Pacific Land

TPL

Energy

November 26, 2024

S&P 500

Deletion

Marathon Oil

MRO

Energy

November 26, 2024

S&P MidCap 400

Addition

Mueller Industries

MLI

Industrials

November 26, 2024

S&P MidCap 400

Deletion

Texas Pacific Land

TPL

Energy

November 26, 2024

S&P SmallCap 600

Addition

Atlas Energy Solutions

AESI

Energy

November 26, 2024

S&P SmallCap 600

Deletion

Mueller Industries

MLI

Industrials

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