| DCO | Ducommun Incorporated | Industrials | $2.6B | — | 0 |
| DPG | Duff & Phelps Utility and Infrastructure Fund Inc. | Financial Services | $472M | — | 0 |
| DUKU | Duke Energy Corporation Units 1.08.29 | Utilities | $39.0B | — | 0 |
| DUKRW | Duke Robotics Corp. C/wts Exp 06/05/2031(to Pur Com) | Industrials | $14.7M | — | 0 |
| DLTH | Duluth Holdings Inc. | Consumer Cyclical | $153M | — | 0 |
| TRLEF | Dune Oil Corp. | Energy | $5.2M | — | 0 |
| DUNNF | Duni AB/ADR | — | — | — | 0 |
| DUOL | Duolingo, Inc. | Technology | $6.9B | — | 0 |
| DUOT | Duos Technologies Group, Inc. | Technology | $282M | — | 0 |
| DD | DuPont de Nemours, Inc. | Basic Materials | $17.6B | — | 0 |
| BROS | Dutch Bros Inc. | Consumer Cyclical | $6.7B | — | 0 |
| KTF | DWS Municipal Income Trust | Financial Services | $322M | — | 0 |
| DXC | DXC Technology Company | Technology | $1.8B | — | 0 |
| DXPE | DXP Enterprises, Inc. | Industrials | $3.0B | — | 0 |
| DYAI | Dyadic International, Inc. | Healthcare | $15.9M | — | 0 |
| DY | Dycom Industries, Inc. | Industrials | $8.2B | — | 0 |
| DLNG-PA | Dynagas LNG Partners LP | Industrials | $127M | — | 0 |
| BRQL | DYNAMIC AEROSPACE SYSTEMS Corp | — | — | — | 0 |
| DYNCW | Dynamix Corporation | — | — | — | 0 |
| DNMXU | Dynamix Corporation III | — | — | — | 0 |
| DYNR | DynaResource, Inc. | Basic Materials | $26.7M | — | 0 |
| DT | Dynatrace, Inc. | Technology | $17.1B | — | 0 |
| DYN | Dyne Therapeutics, Inc. | Healthcare | $3.1B | — | 0 |
| DX-PC | Dynex Capital, Inc. | Real Estate | $1.6B | — | 0 |
| EJH | E-Home Household Service Holdings Limited | Consumer Cyclical | $4.0M | — | 0 |