| OAK-A | Oaktree Cap Group Llc [Oak/Pa] | 21.45 | 20.99 | 21.40 | 13.5K | 0.24 | | 1.13 | |
| OAK-B | Brookfield Oaktree Holdings Llc [Oak/Pb] | 21.09 | 20.58 | 21.09 | 9.8K | 0.39 | | 1.89 | |
| OHI | Omega Healthcare Investors | 46.73 | 45.27 | 46.63 | 2.43M | 1.10 | | 2.42 | |
| OII | Oceaneering International | 36.09 | 34.72 | 35.77 | 1.04M | -0.16 | | 0.45 | |
| OPP | Doubleline Strategic Opportunity Fund | 7.840 | 7.670 | 7.820 | 93.2K | -0.060 | | 0.76 | |
| OPP-B | Rivernorth/Doubleline Strategic | 18.65 | 18.65 | 18.65 | 3.8K | 0.01 | | 0.05 | |
| OPTU | Optimum Communications Inc | 1.545 | 1.425 | 1.520 | 1.58M | 0.090 | | 6.29 | |
| ORC | Orchid Island Capital Inc | 7.370 | 7.235 | 7.360 | 3.89M | 0.060 | | 0.82 | |
| ORI | Old Republic International Corp | 41.75 | 41.00 | 41.23 | 1.22M | -0.14 | | 0.34 | |
| OSG | Overseas Shipholding Group Inc | 4.800 | 4.170 | 4.750 | 1.13M | 0.430 | | 9.95 | |
| OTF | Blue Owl Technology Finance Corp | 12.33 | 11.92 | 12.27 | 2.14M | 0.38 | | 3.20 | |
| OXY | Occidental Petroleum Corp | 56.40 | 55.12 | 55.83 | 11.71M | 0.45 | | 0.81 | |
| OXY.W | Occidental Petroleum Corp WT [Oxy/W/I] | 34.36 | 33.17 | 33.80 | 87.6K | 0.39 | | 1.17 | |