| Corning Incorporated | $141.4b | $137.50 | -2.1% | 9.9M | |
| Lumentum Holdings Inc. Common Stock | $97.4b | $867.50 | -2.3% | 943.7K | |
| Ciena Corporation | $55.5b | $354.81 | -1.4% | 640.7K | |
| Applied Optoelectronics, Inc. | $9.8b | $83.83 | -2.9% | 2.7M | |
| Array Digital Infrastructure, Inc. | $3.0b | $33.49 | -0.0% | 75.5K | |
| ADTRAN Holdings, Inc. Common Stock | $0.6b | $6.58 | -1.8% | 372.3K | |
| Cogent Communications Holdings, Inc. | $433.3m | $8.28 | +7.9% | 422.9K | |
| Optical Cable Corp. | $161.3m | $13.88 | -2.3% | 39.0K |