| I-Nexus Global PLC | 2.75p | 0.00 | 0.000 |
| I3 Energy PLC | 10.84p | 0.04 | 0.324 |
| Ibstock PLC | 148.20p | -3.40 | -2.243 |
| Idox PLC | 65.80p | 1.80 | 2.813 |
| Ig Design Group PLC | 178.80p | 0.30 | 0.168 |
| Ig Group Holdings PLC | 778.50p | 0.50 | 0.064 |
| Ikigai Ventures Limited | 46.50p | 0.00 | 0.000 |
| Ilika PLC | 29.30p | -0.21 | -0.695 |
| Image Scan Holdings PLC | 1.35p | 0.00 | 0.000 |
| Imc Exploration Group PLC | 1.45p | 0.00 | 0.000 |
| Imi PLC | 1,854.00p | 8.00 | 0.433 |
| Immupharma PLC | 2.09p | 0.02 | 0.723 |
| Impax Asset Management Group PLC | 470.07p | 5.07 | 1.090 |
| Imperial Brands PLC | 1,874.00p | 2.00 | 0.107 |
| Inchcape PLC | 795.00p | -3.50 | -0.438 |
| Indivior PLC | 1,447.00p | 12.00 | 0.836 |
| Induction Healthcare Group PLC | 11.60p | -0.40 | -3.333 |
| Indus Gas Limited | 8.20p | 0.05 | 0.614 |
| Informa PLC | 855.20p | 4.80 | 0.564 |
| Ingenta PLC | 148.50p | -1.00 | -0.669 |
| Insig Ai PLC | 14.97p | 0.47 | 3.241 |
| Inspecs Group PLC | 76.00p | 3.00 | 4.110 |
| Inspiration Healthcare Group PLC | 16.50p | -0.25 | -1.493 |
| Inspired PLC | 82.00p | 2.00 | 2.500 |
| Inspirit Energy Holdings PLC | 0.01p | 0.00 | 0.000 |
| Integrafin Holdings PLC | 296.50p | 0.00 | 0.000 |
| Integrated Diagnostics Holdings PLC | $0.33 | 0.01 | 3.286 |
| Intelligent Ultrasound Group PLC | 8.25p | 0.00 | 0.000 |
| Intercede Group PLC | 103.00p | -1.00 | -0.962 |
| Intercontinental Hotels Group PLC | 7,840.00p | -48.00 | -0.609 |
| Intermediate Capital Group PLC | 2,141.99p | -4.01 | -0.187 |
| International Business Machines Corporation | $118.95 | 0.00 | 0.000 |
| International Consolidated Airlines Group S.A. | 182.95p | -1.05 | -0.571 |
| International Distributions Services PLC | 284.80p | 3.40 | 1.208 |
| International Personal Finance PLC | 109.50p | -0.50 | -0.455 |
| Intertek Group PLC | 5,078.47p | 3.47 | 0.068 |
| Investec PLC | 542.00p | 0.00 | 0.000 |
| Invinity Energy Systems PLC | 23.50p | 0.25 | 1.075 |
| Iofina PLC | 20.94p | 0.44 | 2.146 |
| Iomart Group PLC | 128.00p | -1.00 | -0.775 |
| Ip Group PLC | 49.50p | -0.05 | -0.101 |
| Iq-Ai Limited | 1.65p | 0.05 | 3.125 |
| Iqe PLC | 28.88p | 0.43 | 1.504 |
| Iqgeo Group PLC | 406.00p | -7.00 | -1.695 |
| Irish Continental Group PLC | 478.00p | 27.00 | 5.987 |
| Ironveld PLC | 0.06p | 0.00 | 0.000 |
| Itaconix PLC | 151.75p | -5.75 | -3.651 |
| Ithaca Energy PLC | 118.00p | -0.40 | -0.338 |
| Itim Group PLC | 35.00p | 0.00 | 0.000 |
| Itm Power PLC | 52.47p | -0.04 | -0.067 |
| Itv PLC | 75.55p | 1.20 | 1.614 |
| Iwg PLC | 192.30p | -0.30 | -0.156 |
| Ixico PLC | 7.51p | -0.12 | -1.508 |
