| NASDAQ | NWTG | 5 |
| NASDAQ | NXGL | 41 |
| NASDAQ | NXGN | 36 |
| NASDAQ | NXL | 8 |
| NASDAQ | NXPI | 51 |
| NASDAQ | NXST | 314 |
| NASDAQ | NXT | 18 |
| NASDAQ | NXTC | 3 |
| NASDAQ | NYMX | 83 |
| NASDAQ | OABI | 25 |
| NASDAQ | OAKU | 1 |
| NASDAQ | OAS | 53 |
| NASDAQ | OB | 10 |
| NASDAQ | OBCI | 13 |
| NASDAQ | OBIO | 18 |
| NASDAQ | OBNK | 19 |
| NASDAQ | OBT | 20 |
| NASDAQ | OCAX | 1 |
| NASDAQ | OCC | 19 |
| NASDAQ | OCCI | 55 |
| NASDAQ | OCDX | 10 |
| NASDAQ | OCFC | 87 |
| NASDAQ | OCGN | 56 |
| NASDAQ | OCSL | 183 |
| NASDAQ | OCUL | 82 |
| NASDAQ | OCUP | 9 |
| NASDAQ | OCX | 18 |
| NASDAQ | ODFL | 51 |
| NASDAQ | ODP | 77 |
| NASDAQ | OEG | 14 |
| NASDAQ | OESX | 106 |
| NASDAQ | OFED | 6 |
| NASDAQ | OFIX | 70 |
| NASDAQ | OFLX | 24 |
| NASDAQ | OFS | 11 |
| NASDAQ | OKTA | 321 |
| NASDAQ | OKUR | 8 |
| NASDAQ | OLB | 13 |
| NASDAQ | OLED | 96 |
| NASDAQ | OLLI | 43 |
| NASDAQ | OLMA | 55 |
| NASDAQ | OLPX | 13 |
| NASDAQ | OM | 176 |
| NASDAQ | OMCC | 12 |
| NASDAQ | OMCL | 234 |
| NASDAQ | OMER | 43 |
| NASDAQ | OMEX | 23 |
| NASDAQ | OMGA | 6 |
| NASDAQ | OMIC | 11 |
| NASDAQ | OMQS | 2 |