| Corning Incorporated | $219.8b | $139.15 | -4.9% | 7.2M | |
| Ciena Corporation | $69.4b | $367.25 | -5.6% | 610.8K | |
| Lumentum Holdings Inc. Common Stock | $66.8b | $702.68 | -7.8% | 1.5M | |
| Applied Optoelectronics, Inc. | $11.9b | $95.34 | -5.4% | 2.6M | |
| Array Digital Infrastructure, Inc. | $3.1b | $34.90 | +0.3% | 14.5K | |
| ADTRAN Holdings, Inc. Common Stock | $1.1b | $9.39 | -4.6% | 667.0K | |
| Cogent Communications Holdings, Inc. | $0.7b | $12.01 | 0.0% | 194.2K | |
| Optical Cable Corp. | $185.1m | $14.16 | -2.6% | 77.2K |