| BIDS | BIDSTACK GROUP PLC ORD 0.5P | GBX | 42.33 | 10.80 | -0.10 | -0.92% |  | Equity | Track |
| BBB | BIGBLU BROADBAND PLC ORD 15P | GBX | 70.84 | 120.50 | -2.50 | -2.03% | | Equity | Track |
| BILB | BILBY PLC ORD 10P | GBX | 15.33 | 26.00 | - | - | | Equity | Track |
| BILN | BILLINGTON HOLDINGS PLC ORD 10P | GBX | 38.84 | 302.00 | - | - | | Equity | Track |
| BIOM | BIOME TECHNOLOGIES PLC ORD 5P | GBX | 8.17 | 220.00 | - | - | | Equity | Track |
| BION | BION PLC ORD NPV | GBX | 12.74 | 2.95 | - | - | | Equity | Track |
| BVXP | BIOVENTIX PLC ORD 5P | GBX | 231.82 | 4,450.00 | - | - | | Equity | Track |
| BIRD | BLACKBIRD PLC ORD 0.8P | GBX | 69.10 | 20.50 | - | - | | Equity | Track |
| BLTG | BLANCCO TECHNOLOGY GROUP PLC ORD 2P | GBX | 176.35 | 227.00 | -7.00 | -2.99% | | Equity | Track |
| BLOE | BLOCK ENERGY PLC ORD SHS GBP0.0025 | GBX | 20.31 | 3.30 | - | - | | Equity | Track |
| PRSM | BLUE PRISM GROUP PLC ORD 1P | GBX | 1,362.63 | 1,448.00 | 2.00 | 0.14% | | Equity | Track |
| BLU | BLUE STAR CAPITAL PLC ORD 0.1P | GBX | 9.09 | 0.21 | - | - | | Equity | Track |
| JAY | BLUEJAY MINING PLC ORD 0.01P | GBX | 109.07 | 11.00 | -0.23 | -2.00% | | Equity | Track |
| BRD | BLUEROCK DIAMONDS PLC ORD 5P | GBX | 5.32 | 58.50 | - | - | | Equity | Track |
| BOKU | BOKU, INC. CMN SHS USD0.0001 (DI) REG S CAT 3/144A | GBX | 429.91 | 148.00 | -1.50 | -1.00% | | Equity | Track |
| BONH | BONHILL GROUP PLC ORD 1P | GBX | 9.12 | 9.25 | - | - | | Equity | Track |
| BOO | BOOHOO GROUP PLC ORD 1P | GBX | 4,266.90 | 326.00 | -12.30 | -3.64% | | Equity | Track |
| BOR | BORDERS & SOUTHERN PETROLEUM PLC ORD 1P | GBX | 6.68 | 1.38 | - | - | | Equity | Track |
| BOD | BOTSWANA DIAMONDS PLC ORD 0.25P | GBX | 5.77 | 0.80 | - | - | | Equity | Track |
| BLVN | BOWLEVEN PLC ORD 10P | GBX | 13.62 | 4.16 | - | - | | Equity | Track |
