| DCTH | Delcath Systems, Inc. - Common Stock | | |
| DCX | Digital Currency X Technology Inc. - Class A Ordinary Shares | | |
| DDI | DoubleDown Interactive Co., Ltd. - American Depository Shares | | |
| DDOG | Datadog, Inc. - Class A Common Stock | | SP500 |
| DEFT | Defi Technologies, Inc. - Common Stock | D | |
| DERM | Journey Medical Corporation - Common Stock | | |
| DETX | Liberty Defense Holdings, Ltd. - Common Shares | | |
| DFDV | DeFi Development Corp. - Common Stock | | |
| DFDVW | DeFi Development Corp. - Warrant | | |
| DFLI | Dragonfly Energy Holdings Corp - Common Stock | D | |
| DFLIW | Dragonfly Energy Holdings Corp - Warrant | D | |
| DFNS | T3 Defense Inc. - Common Stock | D | |
| DFNSW | T3 Defense Inc. - Warrants | | |
| DFSC | DEFSEC Technologies Inc. - common stock, no R/S concurrent with offering | | |
| DFSCW | DEFSEC Technologies Inc. - warrant | | |
| DFTX | Definium Therapeutics, Inc. - Common Shares | | |
| DGICA | Donegal Group, Inc. - Class A Common Stock | | |
| DGICB | Donegal Group, Inc. - Class B Common Stock | | |
| DGII | Digi International Inc. - Common Stock | | |
| DGNX | Diginex Limited - Ordinary Shares | | |
| DGXX | Digi Power X Inc. - Common Subordinate Voting Shares | | |
| DH | Definitive Healthcare Corp. - Class A Common Stock | D | |
| DHC | Diversified Healthcare Trust - Common Shares of Beneficial Interest | | |
| DHCNI | Diversified Healthcare Trust - 5.625% Senior Notes due 2042 | | |
| DHCNL | Diversified Healthcare Trust - 6.25% Senior Notes Due 2046 | | |
| DIBS | 1stdibs.com, Inc. - Common Stock | | |
| DIOD | Diodes Incorporated - Common Stock | | |
| DJCO | Daily Journal Corp. (S.C.) - Common Stock | | |
| DJT | Trump Media & Technology Group Corp. - Common Stock | | |
| DJTWW | Trump Media & Technology Group Corp. - Warrants | | |
| DKI | DarkIris Inc. - Class A Ordinary Shares | | |
| DKNG | DraftKings Inc. - Class A Common Stock | | |
| DLHC | DLH Holdings Corp. - Common Stock | | |
| DLO | DLocal Limited - Class A Common Shares | | |
| DLPN | Dolphin Entertainment, Inc. - Common Stock | | |
| DLTH | Duluth Holdings Inc. - Class B Common Stock | | |
| DLTR | Dollar Tree, Inc. - Common Stock | | SP500 |
| DLXY | Delixy Holdings Limited - Class A Ordinary Shares | | |
| DMAA | Drugs Made In America Acquisition Corp. - Ordinary Shares | | |
| DMAAR | Drugs Made In America Acquisition Corp. - Rights | | |
| DMAAU | Drugs Made In America Acquisition Corp. - Units | | |
| DMAC | DiaMedica Therapeutics Inc. - Common Stock | | |
| DMII | Drugs Made In America Acquisition II Corp. - Ordinary Shares | | |
| DMIIR | Drugs Made In America Acquisition II Corp. - Right | | |
| DMIIU | Drugs Made In America Acquisition II Corp. - Unit | | |
| DMLP | Dorchester Minerals, L.P. - Common Units Representing Limited Partnership Interests | | |
| DMRA | Damora Therapeutics, Inc. - Ordinary Shares | | |
| DMRC | Digimarc Corporation - Common Stock | | |
| DNLI | Denali Therapeutics Inc. - Common Stock | | |
| DNMX | Dynamix Corporation III - Class A Ordinary Shares | | |