AppLovin, Robinhood Markets and Emcor Group Set to Join S&P 500; Others to Join S&P 100, S&P MidCap 400 and S&P SmallCap 600

Sep 05 2025 23:34 BST

NEW YORK , Sept. 5, 2025 /PRNewswire/ -- S&P Dow Jones Indices ("S&P DJI") will make the following changes to the S&P 100, S&P 500, S&P MidCap 400, and S&P SmallCap 600 indices effective prior to the open of trading on Monday, September 22, to coincide with the quarterly rebalance. The changes ensure each index is more representative of its market capitalization range. The companies being removed from the S&P SmallCap 600 are no longer representative of the small-cap market space.

Uber Technologies Inc. (NYSE: UBER) will replace Charter Communications Inc. (NASD: CHTR) in the S&P 100. Charter Communications will remain in the S&P 500.
AppLovin Corp. (NASD: APP), Robinhood Markets Inc. (NASD: HOOD) and S&P MidCap 400 constituent Emcor Group Inc. (NYSE: EME) will replace MarketAxess Holdings Inc. (NASD: MKTX), Caesars Entertainment Inc. (NASD: CZR), and Enphase Energy Inc. (NASD: ENPH) in the S&P 500, respectively. S&P SmallCap 600 constituents MP Materials Corp. (NYSE: MP) and Kratos Defense & Security Solutions Inc. (NASD: KTOS) will replace Emcor Group and The Wendy's Company (NASD: WEN) in the S&P MidCap 400, respectively. MarketAxess Holdings, Caesars Entertainment, Enphase Energy and The Wendy's Company will replace ProPetro Holdings Corp. (NYSE: PUMP), Xerox Holdings (NASD: XRX), MP Materials Corp, and Kratos Defense & Security Solutions in the S&P SmallCap 600, respectively.
Nutanix Inc. (NASD: NTNX) and TransUnion (NYSE: TRU) will replace Acadia Healthcare Company Inc. (NASD: ACHC) and ManpowerGroup Inc. (NYSE: MAN) in the S&P MidCap 400, respectively. Acadia Healthcare and ManpowerGroup will replace TechTarget Inc. (NASD: TTGT) and Mesa Laboratories Inc. (NASD: MLAB) in the S&P SmallCap 600, respectively.
Noble Corporation plc (NYSE: NE), Q2 Holdings Inc. (NYSE: QTWO), Waystar Holding Corp. (NASD: WAY) and Hecla Mining Co. (NYSE: HL) will replace Owens & Minor Inc. (NYSE: OMI), B&G Food Inc. (NYSE: BGS), Jack in the Box Inc. (NASD: JACK) and Simulations Plus Inc. (NASD: SLP) in the S&P SmallCap 600, 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
Sept 22, 2025	S&P 100	Addition	Uber Technologies	UBER	Industrials
Sept 22, 2025	S&P 100	Deletion	Charter Communications	CHTR	Communications Services
Sept 22, 2025	S&P 500	Addition	AppLovin	APP	Information Technology
Sept 22, 2025	S&P 500	Addition	Robinhood Markets	HOOD	Financials
Sept 22, 2025	S&P 500	Addition	Emcor Group	EME	Industrials
Sept 22, 2025	S&P 500	Deletion	MarketAxess Holdings	MKTX	Financials
Sept 22, 2025	S&P 500	Deletion	Caesars Entertainment	CZR	Consumer Discretionary
Sept 22, 2025	S&P 500	Deletion	Enphase Energy	ENPH	Information Technology
Sept 22, 2025	S&P MidCap 400	Addition	Nutanix	NTNX	Information Technology
Sept 22, 2025	S&P MidCap 400	Addition	TransUnion	TRU	Industrials
Sept 22, 2025	S&P MidCap 400	Addition	MP Materials	MP	Materials
Sept 22, 2025	S&P MidCap 400	Addition	Kratos Defense & Security Solutions	KTOS	Industrials
Sept 22, 2025	S&P MidCap 400	Deletion	Emcor Group	EME	Industrials
Sept 22, 2025	S&P MidCap 400	Deletion	The Wendy's Company	WEN	Consumer Discretionary
Sept 22, 2025	S&P MidCap 400	Deletion	Acadia Healthcare Company	ACHC	Health Care
Sept 22, 2025	S&P MidCap 400	Deletion	ManpowerGroup	MAN	Industrials
Sept 22, 2025	S&P SmallCap 600	Addition	MarketAxess Holdings	MKTX	Financials
Sept 22, 2025	S&P SmallCap 600	Addition	Caesars Entertainment	CZR	Consumer Discretionary
Sept 22, 2025	S&P SmallCap 600	Addition	Enphase Energy	ENPH	Information Technology
Sept 22, 2025	S&P SmallCap 600	Addition	The Wendy's Company	WEN	Consumer Discretionary
Sept 22, 2025	S&P SmallCap 600	Addition	Acadia Healthcare Company	ACHC	Health Care
Sept 22, 2025	S&P SmallCap 600	Addition	ManpowerGroup	MAN	Industrials
Sept 22, 2025	S&P SmallCap 600	Addition	Noble Corporation	NE	Energy
Sept 22, 2025	S&P SmallCap 600	Addition	Q2 Holdings	QTWO	Information Technology
Sept 22, 2025	S&P SmallCap 600	Addition	Waystar Holding	WAY	Health Care
Sept 22, 2025	S&P SmallCap 600	Addition	Hecla Mining	HL	Materials
Sept 22, 2025	S&P SmallCap 600	Deletion	MP Materials	MP	Materials
Sept 22, 2025	S&P SmallCap 600	Deletion	Kratos Defense & Security Solutions	KTOS	Industrials
Sept 22, 2025	S&P SmallCap 600	Deletion	ProPetro Holding	PUMP	Energy
Sept 22, 2025	S&P SmallCap 600	Deletion	Xerox Holdings	XRX	Information Technology
Sept 22, 2025	S&P SmallCap 600	Deletion	TechTarget	TTGT	Communication Services
Sept 22, 2025	S&P SmallCap 600	Deletion	Mesa Laboratories	MLAB	Health Care
Sept 22, 2025	S&P SmallCap 600	Deletion	Owens & Minor	OMI	Health Care
Sept 22, 2025	S&P SmallCap 600	Deletion	B&G Foods	BGS	Consumer Staples
Sept 22, 2025	S&P SmallCap 600	Deletion	Jack in the Box	JACK	Consumer Discretionary
Sept 22, 2025	S&P SmallCap 600	Deletion	Simulations Plus	SLP	Health Care

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AppLovin, Robinhood Markets and Emcor Group Set to Join S&P 500; Others to Join S&P 100, S&P MidCap 400 and S&P SmallCap 600