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Ownership — CIEN
US Institutional Ownership96.0%
| Institution | Shares | Value | Ownership % | Change | Filing Date |
|---|---|---|---|---|---|
| 19.11M | $9.38B | 13.47% | -2.10M | 2026-06-30 | |
| 12.72M | $6.24B | 8.96% | -655.3K | 2026-06-30 | |
| 11.21M | $5.37B | 7.90% | +341.9K | 2026-06-30 | |
| 9.23M | $4.53B | 6.51% | +64.4K | 2026-06-30 | |
| 7.68M | $3.77B | 5.41% | +311.5K | 2026-06-30 | |
| 6.68M | $3.28B | 4.71% | +371.5K | 2026-06-30 | |
| 4.07M | $2.00B | 2.87% | -1.17M | 2026-06-30 | |
| 3.37M | $1.65B | 2.38% | -695.1K | 2026-06-30 | |
| 2.15M | $1.05B | 1.52% | +1.14M | 2026-06-30 | |
| 1.85M | $908.0M | 1.31% | +1.32M | 2026-06-30 | |
| 1.79M | $877.0M | 1.26% | -166.1K | 2026-06-30 | |
| 1.76M | $861.0M | 1.24% | +30.8K | 2026-06-30 | |
| 1.73M | $848.0M | 1.22% | +199.9K | 2026-06-30 | |
| 1.70M | $835.0M | 1.20% | +891.2K | 2026-06-30 | |
| 1.68M | $822.0M | 1.18% | +288.6K | 2026-06-30 | |
| 1.63M | $801.0M | 1.15% | +73.1K | 2026-06-30 | |
| 1.39M | $682.0M | 0.98% | +547.2K | 2026-06-30 | |
| 1.33M | $651.0M | 0.94% | +491.4K | 2026-06-30 | |
| 1.25M | $612.0M | 0.88% | -- | 2026-06-30 | |
| 1.25M | $612.0M | 0.88% | -23.3K | 2026-06-30 | |
| 1.22M | $597.0M | 0.86% | +30.6K | 2026-06-30 | |
| 1.15M | $565.0M | 0.81% | +7.2K | 2026-06-30 | |
| 1.15M | $561.0M | 0.81% | +293.5K | 2026-06-30 | |
| 1.11M | $542.0M | 0.78% | +83.8K | 2026-06-30 | |
| 1.05M | $507.0M | 0.74% | +75.1K | 2026-06-30 |
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