 Poolbeg Pharma PLC | POLB | GB00BKPG7Z60 | |
 Portmeirion Group PLC | PMP | GB0006957293 | |
| Porvair PLC | PRV | GB0006963689 | |
 Potter Moore PLC | PAM | GB0002341666 | |
 Power Probe PLC | PWR | GB00BSDYS558 | |
 Powerhouse Energy Group PLC | PHE | GB00B4WQVY43 | |
 Pphe Hotel Group Limited | PPH | GG00B1Z5FH87 | |
 Praetura Growth VCT PLC | PGV | GB00BL690L89 | |
 Predator Oil Gas Holdings PLC | PRD | JE00BFZ1D698 | |
 Premier African Minerals Limited | PREM | VGG7223M1187 | |
 Premier Foods PLC | PFD | GB00B7N0K053 | |
 Premier Miton Global Renewables Trust PLC | PMGR | GB0033537902 | |
 Premier Miton Group PLC | PMI | GB00BZB2KR63 | |
 Pri0r1ty Intelligence Group PLC | PR1 | GB00BPVD4J91 | |
 Primary Health Properties PLC | PHP | GB00BYRJ5J14 | |
 Primorus Investments PLC | PRIM | GB00BKTCLJ25 | |
 Princes Group PLC | PRN | GB00BVZNY531 | |
 Procook Group PLC | PROC | GB00BNRR8331 | |
 Property Franchise Group PLC The | TPFG | GB00BH0WFH67 | |
 Proservice Building Services Marketplace PLC | PRO | GB00BVFD4645 | |
 Prospex Energy PLC | PXEN | GB00BMFZVZ53 | |
 Proteome Sciences PLC | PRM | GB0003104196 | |
| Proven Growth and Income VCT PLC | PGOO | GB00B5B7YS03 | |
 Proven VCT PLC | PVN | GB00B8GH9P84 | |
 Provexis PLC | PXS | GB00B0923P27 | |
 Prudential PLC | PRU | GB0007099541 | |
| Ptsb | PTSB | IE00BWB8X525 | |
 Public Policy Holding Company, Inc | PPHC | US7444302084 | |
 Pulsar Group PLC | PULS | GB00BGQVB052 | |
 Pulsar Helium Inc | PLSR | CA7459321039 | |
| Puma Aim VCT PLC | PAIM | GB00BRC89928 | |
 Puma Alpha VCT PLC | PUAL | GB00BGMG7F10 | |
 Puma VCT 13 PLC | PU13 | GB00BD5B1L68 | |
 Puretech Health PLC | AKLI | GB00BY2Z0H74 | |
 PZ Cussons PLC | PZC | GB00B19Z1432 | |
 Qinetiq Group PLC | QQ. | GB00B0WMWD03 | |
 Quadrise PLC | QED | GB00B11DDB67 | |
 Quantum Base Holdings PLC | QUBE | GB00BTXYPJ53 | |
 Quantum Blockchain Technologies PLC | QBT | GB00B50P5B53 | |
 Quantum Helium | QHE | AU0000XINET1 | |
 Quartix Technologies PLC | QTX | GB00BLZH2C83 | |
 Quilter PLC | QLT | GB00BNHSJN34 | |
 R.E.A. Holdings PLC | RE. | GB0002349065 | |
 R.E.A. Holdings PLC | RE.B | GB0007185639 | |
 Rainbow Rare Earths Limited | RBW | GG00BD59ZW98 | |
 Ramsdens Holdings PLC | RFX | GB00BDR6V192 | |
 Rank Group PLC | RNK | GB00B1L5QH97 | |
 Raspberry PI Holdings PLC | RPI | GB00BS3DYQ52 | |
 Rathbones Group PLC | RAT | GB0002148343 | |
 RC Fornax PLC | RCFX | GB00BTTQ2F04 | |
 RC365 Holding PLC | RCGH | GB00BMG8BL95 | |
| Reabold Resources PLC | RBD | GB00BVK55Z16 | |
| Reach PLC | RCH | GB0009039941 | |
 React Group PLC | REAT | GB00BPCTRB97 | |
| Real Estate Credit Investments Limited | RECI | GB00B0HW5366 | |
 Real Estate Investors PLC | RLE | GB00B45XLP34 | |
 Reckitt Benckiser Group PLC | RKT | GB00BSZBP530 | |
| Record PLC | REC | GB00B28ZPS36 | |
| Red Rock Resources PLC | RRR | GB00BYWKBV38 | |
 Redcentric PLC | RCN | GB00B7TW1V39 | |
| Regional REIT Limited | RGL | GG00BSY2LD72 | |
| Relx PLC | REL | GB00B2B0DG97 | |
| Renalytix PLC | RNLXY | GB00BYWL4Y04 | |
 Renew Holdings PLC | RNWH | GB0005359004 | |
 Renishaw PLC | RSW | GB0007323586 | |
 Renold PLC | 32ID | GB0007325417 | |
 Renold PLC | RNO | GB0007325078 | |
 Rentguarantor Holdings PLC | RGG | GB00BSVJ8W91 | |
| Rentokil Initial PLC | RTO | GB00B082RF11 | |
| Residential Secure Income PLC | RESI | GB00BYSX1508 | |
 Resolute Mining Limited | RSG | AU000000RSG6 | |
 Restore PLC | RST | GB00B5NR1S72 | |
 Revolution Beauty Group PLC | REVB | GB00BP7L1T61 | |
 RHI Magnesita N.V. | RHIM | NL0012650360 | |
 Ricardo PLC | RCDO | GB0007370074 | |
 Richmond Hill Resources PLC | RHR | GB00BNTBWF32 | |
 Ricoh Co Ltd | RICO | JP3973400009 | |
 Rightmove PLC | RMV | GB00BGDT3G23 | |
| Rights and Issues Investment Trust PLC | RIII | GB0007392078 | |
 Rio Tinto PLC | RIO | GB0007188757 | |
 RIT Capital Partners PLC | RCP | GB0007366395 | |
 River Global PLC | RVRB | GB00BTDR2S27 | |
| River UK Micro Cap Limited | RMMC | GG00BNDMJP11 | |
 Riverstone Credit Opportunities Income PLC | RCOI | GB00BRBWLX34 | |
 Riverstone Energy Limited | RSE | GG00BSNRFW06 | |
 RM Infrastructure Income PLC | RMII | GB00BYMTBG55 | |
| RM PLC | RM. | GB00BJT0FF39 | |
 Roadside Real Estate PLC | ROAD | GB00BL6TZZ70 | |
| Robert Walters PLC | RWA | GB0008475088 | |
 Robinson PLC | RBN | GB00B00K4418 | |
 Rockfire Resources PLC | ROCK | GB00B42TN250 | |
 Rockhopper Exploration PLC | RKH | GB00B0FVQX23 | |
 Rockwood Strategic PLC | RKW | GB00BRRD5L66 | |
 Rolls Royce Holdings PLC | RR. | GB00B63H8491 | |
| Rome Resources PLC | RMR | GB00BYY0JQ23 | |
| Ross Group PLC | RGP | GB0002192606 | |
| Rosslyn Data Technologies PLC | RDT | GB00BMV2DB09 | |
 Rotork PLC | 76ID | GB0007530149 | |
 Rotork PLC | ROR | GB00BVFNZH21 | |
 RS Group PLC | RS1 | GB0003096442 | |
