

California State Teachers Retirement System grew its holdings in shares of Ciena Corporation (NYSE: CIEN) by 49,854.1% during the undefined quarter, according to its most recent 13F filing with the Securities and Exchange Commission (SEC). The institutional investor owned 104,748,296 shares of the communications equipment provider's stock after buying an additional 104,538,607 shares

While mega-cap AI stocks tend to grab most of the attention, investors shouldn't overlook Ciena (CIEN) and NetApp (NTAP) following record earnings reports this week.

CIEN sees at least 30% fiscal 2027 revenue growth as backlog heads above $10B, but component supply remains the key constraint on converting demand.

CIEN's AI-driven optical demand, record backlog and supply agreements underpin strong growth through fiscal 2027.

Ciena Corporation is capitalizing on surging AI and hyperscaler demand, driving a record backlog and robust margin expansion. CIEN delivered 37% YoY revenue growth and doubled adjusted operating margin to 22.5%, with 2026 revenue guidance raised to $6.42 billion. Despite strong execution, CIEN trades at a premium valuation (~44x 2026E EPS), with significant customer concentration and industry supply constraints posing risks.

Ciena beat on sales and earnings this morning. Guidance for Q4, however, suggests gross profit margins may slip.

Ciena Corporation‘s (NYSE:CIEN | CIEN Price Prediction) fiscal third-quarter beat wasn't enough to save its stock this morning.

SNOW, CPB, CIEN, ACMR, and SCHD are seeing high options activity this afternoon