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Monolithic Power Systems Set to Join S&P 500; Iridium Communications to Join S&P MidCap 400; Collegium Pharmaceutical to Join S&P SmallCap 600

NEW YORK, Feb. 8, 2021 /PRNewswire/ -- S&P MidCap 400 constituent Monolithic Power Systems Inc. (NASD: MPWR) will replace TechnipFMC plc (NYSE: FTI) in the S&P 500, S&P SmallCap 600 constituent Iridium Communications Inc. (NASD: IRDM) will replace Monolithic Power Systems in the S&P MidCap 400, and Collegium Pharmaceutical Inc. (NASD: COLL) will replace Iridium Communications in the S&P SmallCap 600 effective prior to the opening of trading on Friday, February 12. TechnipFMC is being removed from the S&P 500 in anticipation of its announced spin-off of Technip Energies in a transaction expected to be completed on or about February 16. Technip Energies is expected to trade in ADR form in the OTC (over-the-counter) market.

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

Feb. 12, 2021

S&P 500

Addition

Monolithic Power Systems

MPWR

Information Technology


S&P 500

Deletion

TechnipFMC

FTI

Energy


S&P MidCap 400

Addition

Iridium Communications

IRDM

Communication Services


S&P MidCap 400

Deletion

Monolithic Power Systems

MPWR

Information Technology


S&P SmallCap 600

Addition

Collegium Pharmaceutical

COLL

Health Care


S&P SmallCap 600

Deletion

Iridium Communications

IRDM

Communication Services

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