| Corning Incorporated | $219.8b | $178.86 | -7.2% | 4.9M | |
| Ciena Corporation | $69.4b | $405.27 | -5.6% | 428.6K | |
| Lumentum Holdings Inc. Common Stock | $66.8b | $681.92 | -5.8% | 1.3M | |
| Applied Optoelectronics, Inc. | $11.9b | $111.83 | -7.0% | 3.5M | |
| Array Digital Infrastructure, Inc. | $3.1b | $35.19 | +0.7% | 7.9K | |
| ADTRAN Holdings, Inc. Common Stock | $1.1b | $12.32 | -3.4% | 139.4K | |
| Cogent Communications Holdings, Inc. | $0.7b | $11.85 | -2.9% | 351.1K | |
| Optical Cable Corp. | $185.1m | $14.73 | -3.5% | 83.5K |