Ciena

At a glance

Ciena reported 2025 revenue of $4.77B, up 18.8% from $4.01B in 2024. Over 4 years since 2021 ($3.62B), that is growth of about 7.1% a year. Operating margin was 4.1%, down from 13.7% in 2021. 2025 was the highest revenue year in this period.

In the last 12 months 11 insiders reported 0 open-market purchases and 74 sales ($101.6M). 71 of the sales were made under pre-arranged 10b5-1 plans. The largest was a sale of $19.2M by President, CEO Gary B Smith on Jan 6, 2026.

Ciena filed 8 current reports (Form 8-K) in the last 12 months, most often for results of operations (4), material agreement (1), new financial obligation (1) and unregistered equity sale (1). The latest officer or director change was reported on Dec 4, 2025. It reported a material agreement or a completed acquisition or disposal 1 time.

3 of the 20 investors tracked here held Ciena at the last quarter end, worth $273.8M combined. It is the largest weight for Bridgewater Associates (0.2% of its portfolio), followed by Renaissance Technologies (0.1%). Added: Renaissance Technologies. Reduced: Bridgewater Associates and National Pension Service (Korea).

Annual results

Fiscal year ends Oct 31 · incorporated in MD

Tracked investors holding (13F)

Weight is the share of each investor's portfolio, as of the quarter end.