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Vylor Added to the S&P 500; Twilio Set to Join S&P 500; Others to Join S&P MidCap 400 and S&P SmallCap 600

prnewswire.com
QRVO Qorvo is being deleted from the S&P SmallCap 600, which is a factual statement about index changes. TWLO Twilio is being added to the S&P 500 and deleted from the S&P MidCap 400, indicating a reclassification based on market capitalization changes. SPGI S&P Global is mentioned as the parent company of S&P Dow Jones Indices, providing essential intelligence for decision-making. OLN Olin is being deleted from the S&P MidCap 400 and added to the S&P SmallCap 600, indicating a shift in its market capitalization classification. PSKY VYLR WBD Warner Bros. Discovery is being deleted from the S&P 500, which is a factual statement about index changes. WK Workiva is being added to the S&P SmallCap 600, indicating a positive development in its market standing and potential investor interest. CTVA Corteva is being deleted from the S&P 500 and added to the S&P MidCap 400, suggesting a shift in its market capitalization classification. SWKS FORM Formfactor is being added to the S&P MidCap 400 and deleted from the S&P SmallCap 600, indicating a reclassification based on market capitalization.

NEW YORK, Oct. 1, 2026 /PRNewswire/ -- S&P Dow Jones Indices will make the following changes to the S&P 500, S&P MidCap 400, S&P SmallCap 600:

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

Oct 1, 2026

S&P 500

Addition

Vylor

VYLR

Consumer Staples

Oct 6, 2026

S&P 500

Deletion

Corteva

CTVA

Materials

Oct 6, 2026

S&P 500

Addition

Twilio

TWLO

Information Technology

Oct 6, 2026

S&P 500

Deletion

Warner Bros.

Discovery

WBD

Communication Services

Oct 6, 2026

S&P MidCap 400

Addition

Formfactor

FORM

Information Technology

Oct 6, 2026

S&P MidCap 400

Deletion

Twilio

TWLO

Information Technology

Oct 6, 2026

S&P MidCap 400

Addition

Corteva

CTVA

Materials

Oct 6, 2026

S&P MidCap 400

Deletion

Olin

OLN

Materials

Oct 6, 2026

S&P SmallCap 600

Addition

Workiva

WK

Information Technology

Oct 6, 2026

S&P SmallCap 600

Deletion

Formfactor

FORM

Information Technology

Oct 6, 2026

S&P SmallCap 600

Addition

Olin

OLN

Materials

Oct 6, 2026

S&P SmallCap 600

Deletion

Qorvo

QRVO

Information Technology

ABOUT S&P DOW JONES INDICES

S&P Dow Jones Indices is the largest global resource for essential index-based concepts, data and research, and home to iconic financial market indicators, such as the S&P 500® and the Dow Jones Industrial Average®. More assets are invested in products based on our indices than products based on indices from any other provider in the world. Since Charles Dow invented the first index in 1884, S&P DJI has been innovating and developing indices across the spectrum of asset classes helping to define the way investors measure and trade the markets.

S&P Dow Jones Indices is a division of S&P Global (NYSE: SPGI), which provides essential intelligence for individuals, companies, and governments to make decisions with confidence. For more information, visit www.spglobal.com/spdji/en/.

FOR MORE INFORMATION:

S&P Dow Jones Indices

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SOURCE S&P Dow Jones Indices