Ciena Set to Join S&P 500; Arrowhead Pharmaceuticals to Join S&P MidCap 400; ADT and OneSpaWorld Holdings to Join S&P SmallCap 600 [Yahoo! Finance]
Ciena Corporation (CIEN)
Last ciena corporation earnings: 3/5 07:00 am
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Source: Yahoo! Finance
S&P MidCap 400 constituent Ciena Corp. (NYSE: CIEN) will replace Dayforce Inc. (NYSE: DAY) in the S&P 500, S&P SmallCap 600 constituent Arrowhead Pharmaceuticals Inc. (NASD: ARWR) will replace Ciena in the S&P MidCap 400, and ADT Inc. (NYSE: ADT) will replace Arrowhead Pharmaceuticals in the S&P SmallCap 600 effective prior to the opening of trading on Monday, February 9. Thoma Bravo L.P. acquired Dayforce in a deal that closed today. OneSpaWorld Holdings Ltd. (NASD: OSW) will replace Dynavax Technologies Corp. (NASD: DVAX) in the S&P SmallCap 600 effective prior to the opening of trading on Tuesday, February 10. Sanofi is acquiring Dynavax Technologies in a deal expected to be completed soon pending final closing conditions. 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 9, 2026 S&P 500 Addition Ciena CIEN Information Techno
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News
- Ciena Announces Reporting Date and Web Broadcast for Fiscal First Quarter 2026 ResultsBusiness Wire
- Should State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG) Be on Your Investing Radar? [Yahoo! Finance]Yahoo! Finance
- Ciena returns to S&P 500 after getting booted 17 years ago [CNBC]CNBC
- Ciena: Riding The Second Wave Of AI Infrastructure Growth [Seeking Alpha]Seeking Alpha
- Telekom Srbija and Mtel Deploy Ciena Optical Technology to Improve Cross-Border ConnectivityBusiness Wire
CIEN
Earnings
- 12/11/25 - Beat
CIEN
Sec Filings
- 2/4/26 - Form 4
- 1/21/26 - Form SCHEDULE
- 1/20/26 - Form 4
- CIEN's page on the SEC website