| DLNG | Dynagas LNG Partners LP Common Units | | |
| DLNG-A | Dynagas LNG Partners LP 9.00% Series A Cumulative Redeemable Preferred Units | | |
| DLR | Digital Realty Trust, Inc. Common Stock | | SP500 |
| DLR-J | Digital Realty Trust, Inc. 5.250% Series J Cumulative Redeemable Preferred Stock | | |
| DLR-K | Digital Realty Trust, Inc. 5.850% Series K Cumulative Redeemable Preferred Stock, par value $0.01 per share | | |
| DLR-L | Digital Realty Trust, Inc. 5.200% Series L Cumulative Redeemable Preferred Stock | | |
| DLX | Deluxe Corporation Common Stock | | |
| DLY | DoubleLine Yield Opportunities Fund Common Shares of Beneficial Interest | | |
| DMA | Destra Multi-Alternative Fund Common Stock | | |
| DMB | BNY Mellon Municipal Bond Infrastructure Fund, Inc. Common Stock | | |
| DMC | Del Monte Corporation Ordinary Shares | | |
| DMO | Western Asset Mortgage Opportunity Fund Inc. Common Stock | | |
| DNA | Ginkgo Bioworks Holdings, Inc. Class A Common Stock | | |
| DNOW | DNOW Inc. Common Stock | | |
| DNP | DNP Select Income Fund, Inc. Common Stock | | |
| DOC | Healthpeak Properties, Inc. Common Stock | | SP500 |
| DOCN | DigitalOcean Holdings, Inc. Common Stock | | |
| DOCS | Doximity, Inc. Class A Common Stock | | |
| DOLE | Dole plc Ordinary Shares | | |
| DOUG | Douglas Elliman Inc. Common Stock | | |
| DOV | Dover Corporation Common Stock | | SP500 |
| DOW | Dow Inc. Common Stock | | SP500 |
| DPC | DPC Holdings PLC Ordinary Shares | | |
| DPG | Duff & Phelps Utility and Infrastructure Fund Inc. | | |
| DQ | DAQO New Energy Corp. American Depositary Shares, each representing five ordinary shares | | |
| DRD | DRDGOLD Limited American Depositary Shares | | |
| DRI | Darden Restaurants, Inc. Common Stock | | SP500 |
| DSL | DoubleLine Income Solutions Fund Common Shares of Beneficial Interests | | |
| DSM | BNY Mellon Strategic Municipal Bond Fund, Inc. Common Stock | | |
| DSU | Blackrock Debt Strategies Fund, Inc. Common Stock | | |
| DSX | Diana Shipping inc. common stock | | |
| DSX-B | Diana Shipping Inc. Perpetual Preferred Shares Series B (Marshall Islands) | | |
| DSX+ | Diana Shipping inc. Warrants | | |
| DT | Dynatrace, Inc. Common Stock | | |
| DTB | DTE Energy Company 2020 Series G 4.375% Junior Subordinated Debentures due 2080 | | |
| DTE | DTE Energy Company Common Stock | | SP500 |
| DTF | DTF Tax-Free Income 2028 Term Fund Inc. Common Stock | | |
| DTG | DTE Energy Company 2021 Series E 4.375% Junior Subordinated Debentures | | |
| DTK | DTE Energy Company 2025 Series H 6.25% Junior Subordinated Debentures due 2085 | | |
| DTM | DT Midstream, Inc. Common Stock | | |
| DTW | DTE Energy Company 2017 Series E 5.25% Junior Subordinated Debentures due 2077 | | |
| DUK | Duke Energy Corporation (Holding Company) Common Stock | | SP500 |
| DUK-A | Duke Energy Corporation Depositary Shares, each representing a 1/1,000th interest in a share of 5.75% Series A Cumulative Redeemable Perpetual Preferred Stock | | |
| DUKB | Duke Energy Corporation 5.625% Junior Subordinated Debentures due 2078 | | |
| DUKU | Duke Energy Corporation Corporate Units | | |
| DV | DoubleVerify Holdings, Inc. Common Stock | | |
| DVA | DaVita Inc. Common Stock | | SP500 |
| DVN | Devon Energy Corporation Common Stock | | SP500 |
| DX | Dynex Capital, Inc. Common Stock | | |
| DX-C | Dynex Capital, Inc. 6.900% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock | | |