| Name | Code | Last | Cur | M. cap. | Industry |
|---|
| Proteome Sciences PLC | XLON:PRM | 4.80 | GBP | 12 | Medical Equipment |
| Proton Motor Power Systems PLC | XLON:PPS | 0.34 | GBP | 4 | Electrical Equipment |
| Proven Growth and Income Vct PLC | XLON:PGOO | 49.00 | GBP | 190 | Investment Management & Fund Operators |
| Proven Vct PLC | XLON:PVN | 60.00 | GBP | 199 | Investment Management & Fund Operators |
| Provexis PLC | XLON:PXS | 0.65 | GBP | 19 | Food Processing |
| PRS Reit PLC | XLON:PRSR | 104.80 | GBP | 705 | Residential REITs |
| Prudential PLC | XLON:PRU | 602.60 | GBP | 20,013 | Life & Health Insurance |
| Public Policy Holding Company Inc | XLON:PPHC | 135.45 | GBP | 203 | Financial & Commodity Market Operators & Service Providers |
| Puma Alpha VCT PLC | XLON:PUAL | 102.50 | GBP | | Investment Management & Fund Operators |
| Puma VCT 13 PLC | XLON:PU13 | 119.50 | GBP | 199 | Investment Management & Fund Operators |
| PureTech Health PLC | XLON:PRTC | 140.00 | GBP | 420 | Biotechnology |
| PYX Resources Ltd | XLON:PYX | 1.89 | GBP | 10 | Other Metals & Minerals |
| PZ Cussons PLC | XLON:PZC | 75.50 | GBP | 402 | Personal Products |
| QinetiQ Group PLC | XLON:QQ. | 265.78 | GBP | 2,786 | Aerospace & Defense |
| Quadrise PLC | XLON:QED | 5.58 | GBP | 96 | Oil and Gas Refining |
| Quantum Blockchain Technologies PLC | XLON:QBT | 0.78 | GBP | 13 | Investment Management & Fund Operators |
| Quartix Technologies PLC | XLON:QTX | 152.00 | GBP | 93 | Phones & Handheld Devices |
| Quilter PLC | XLON:QLT | 141.60 | GBP | 2,517 | Investment Management & Fund Operators |
| Quixant PLC | XLON:NXQ | 63.50 | GBP | 52 | Fintech |
| QUIZ PLC | XLON:QUIZ | 0.77 | GBP | 1 | Apparel |
| Rainbow Rare Earths Ltd | XLON:RBW | 12.25 | GBP | 96 | Rare Earth Elements |
| Ra International Group Plc | XLON:RAI | 6.75 | GBP | 14 | Business Support Services |
| Ramsdens Holdings PLC | XLON:RFX | 236.11 | GBP | 92 | Investment Banking & Brokerage Services |
| Rank Group PLC | XLON:RNK | 79.40 | GBP | 460 | Casino & Gaming |
| Rathbones Group PLC | XLON:RAT | 1,586.00 | GBP | 2,028 | Investment Management & Fund Operators |
| RBG Holdings PLC | XLON:RBGP | 1.05 | GBP | 2 | Business Support Services |
| RC365 Holding PLC | XLON:RCGH | 2.10 | GBP | 2 | Fintech |
| Reabold Resources PLC | XLON:RBD | 0.04 | GBP | 5 | Investment Management & Fund Operators |
| Reach PLC | XLON:RCH | 74.70 | GBP | 293 | Consumer Publishing |
| React Group PLC | XLON:REAT | 86.50 | GBP | 25 | Business Support Services |
| R E A Holdings PLC | XLON:RE. | 73.50 | GBP | 24 | Fishing & Farming |
| R E A Holdings PLC | XLON:RE.B | 93.75 | GBP | 24 | Fishing & Farming |
| Real Estate Credit Investments Ltd | XLON:RECI | 124.00 | GBP | 338 | Collective Investments |
| Real Estate Investors PLC | XLON:RLE | 30.00 | GBP | 61 | Other REITs |
| Reckitt Benckiser Group PLC | XLON:RKT | 4,950.00 | GBP | 41,560 | Household Products |
| Record PLC | XLON:REC | 50.50 | GBP | 125 | Investment Management & Fund Operators |
| Red Capital PLC | XLON:REDC | 17.00 | GBP | 2 | Shell Companies |
| Redcentric PLC | XLON:RCN | 129.00 | GBP | 251 | IT Services & Consulting |
| Red Rock Resources | XLON:RRR | 0.04 | GBP | 2 | Other Metals & Minerals |
| Redrow PLC | XLON:RDW | 779.00 | GBP | 3,168 | Homebuilding |
| Regal Petroleum PLC | XLON:ENW | 26.50 | GBP | 102 | Oil and Gas Exploration & Production |
| Regional REIT Ltd | XLON:RGL | 114.40 | GBP | 125 | Other REITs |
| Regtech Open Project PLC | XLON:RTOP | 4.50 | GBP | 3 | Fintech |
| Relx PLC | XLON:REL | 3,811.00 | GBP | 86,845 | Professional Information Services |
| Renalytix PLC | XLON:RENX | 12.00 | GBP | 46 | Medical Equipment |
| ReNeuron Group PLC | XLON:RENE | 3.38 | GBP | 2 | Biotechnology |
| Renewables Infrastructure Group Ltd | XLON:TRIG | 80.30 | GBP | 2,480 | Collective Investments |
| Renew Holdings PLC | XLON:RNWH | 914.00 | GBP | 885 | Engineering & Construction |
| Renewi PLC | XLON:RWI | 802.00 | GBX | 199 | Environmental Services & Equipment |
| Renishaw PLC | XLON:RSW | 3,285.00 | GBP | 3,012 | Industrial Machinery & Equipment |