| Name | Code | Last | Cur | M. cap. | Industry |
|---|
| K3 Business Technology Group PLC | XLON:KBT | 78.17 | GBP | 44 | Software |
| Kainos Group PLC | XLON:KNOS | 739.00 | GBP | 1,160 | IT Services & Consulting |
| Kakuzi Limited | XLON:KAKU | 0.93 | GBP | 0 | Fishing & Farming |
| Kanabo Group PLC | XLON:KNB | 0.90 | GBP | 7 | Pharmaceuticals |
| Karelian Diamond Resources PLC | XLON:KDR | 1.15 | GBP | 1 | Diamonds |
| Katoro Gold PLC | XLON:KAT | 0.06 | GBP | 1 | Gold |
| Kavango Resources PLC | XLON:KAV | 0.87 | GBP | 17 | Other Metals & Minerals |
| Kazera Global PLC | XLON:KZG | 1.78 | GBP | 21 | Other Metals & Minerals |
| KCR Residential REIT PLC | XLON:KCR | 8.50 | GBP | 4 | Residential REITs |
| KEFI Gold and Copper Plc | XLON:KEFI | 0.49 | GBP | 47 | Other Metals & Minerals |
| Keller Group PLC | XLON:KLR | 1,354.00 | GBP | 1,217 | Engineering & Construction |
| Kelso Group Holdings PLC | XLON:KLSO | 2.90 | GBP | 13 | Business Support Services |
| Kendrick Resources PLC | XLON:KEN | 0.29 | GBP | 0 | Other Metals & Minerals |
| Kenmare Resources PLC | XLON:KMR | 313.50 | GBP | 358 | Other Metals & Minerals |
| Keras Resources PLC | XLON:KRS | 2.35 | GBP | 2 | Other Metals & Minerals |
| Kerry Group PLC | XLON:KYGA | 92.85 | GBP | 16,001 | Food Processing |
| Keystone Law Group PLC | XLON:KEYS | 550.00 | GBP | 218 | Business Support Services |
| Keystone Positive Change Investment Trust PLC | XLON:KPC | 248.00 | GBP | 180 | Collective Investments |
| Keywords Studios PLC | XLON:KWS | 2,446.00 | GBP | 2,542 | IT Services & Consulting |
| Kibo Energy PLC | XLON:KIBO | 0.01 | GBP | 1 | Engineering & Construction |
| Kier Group PLC | XLON:KIE | 138.40 | GBP | 734 | Engineering & Construction |
| Kingfisher PLC | XLON:KGF | 230.40 | GBP | 5,242 | Home Improvement Products & Services Retailers |
| Kings Arms Yard VCT PLC | XLON:KAY | 19.00 | GBP | 130 | Investment Management & Fund Operators |
| Kingswood Holdings Ltd | XLON:KWG | 10.25 | GBP | 86 | Investment Management & Fund Operators |
| Kinovo PLC | XLON:KINO | 67.00 | GBP | 51 | Engineering & Construction |
| Kistos Holdings Plc | XLON:KIST | 114.50 | GBP | 115 | Oil and Gas Exploration & Production |
| Kitwave Group PLC | XLON:KITW | 310.50 | GBP | 308 | Food Retail & Distribution |
| Knights Group Holdings PLC | XLON:KGH | 121.00 | GBP | 128 | Business Support Services |
| Kodal Minerals PLC | XLON:KOD | 0.40 | GBP | 101 | Agricultural Chemicals |
| Kooth Plc | XLON:KOO | 185.00 | GBP | 81 | Online Services |
| Kore Potash PLC | XLON:KP2 | 2.49 | GBP | 135 | Agricultural Chemicals |
| KRM22 PLC | XLON:KRM | 27.50 | GBP | 12 | Software |
| Kromek Group PLC | XLON:KMK | 4.88 | GBP | 38 | Industrial Machinery & Equipment |
| Kropz PLC | XLON:KRPZ | 1.11 | GBP | 25 | Agricultural Chemicals |
| Lancashire Holdings Ltd | XLON:LRE | 649.00 | GBP | 1,917 | Property & Casualty Insurance |
| Landore Resources Ltd | XLON:LND | 3.88 | GBP | 15 | Other Metals & Minerals |
| Land Securities Group PLC | XLON:LAND | 550.50 | GBP | 5,125 | Other REITs |
| Lansdowne Oil & Gas PLC | XLON:LOGP | 0.10 | GBP | 1 | Oil and Gas Exploration & Production |
| Larsen and Toubro Ltd | XLON:LTOD | 32.70 | USD | 62,774 | Engineering & Construction |
| Law. Deb. Corp. | XLON:LWDB | 879.00 | GBP | | |
| LBG Media PLC | XLON:LBG | 130.00 | GBP | 338 | Software |
| Learning Technologies Group PLC | XLON:LTG | 97.60 | GBP | 958 | Professional Information Services |
| Leeds Group PLC | XLON:LDSG | 6.25 | GBP | 2 | Textile & Leather |
| Legal & General Group PLC | XLON:LGEN | 223.50 | GBP | 15,956 | Investment Management & Fund Operators |
| Lendinvest PLC | XLON:LINV | 23.50 | GBP | 41 | Consumer Lending |
| Lexington Gold Ltd | XLON:LEX | 3.85 | GBP | 17 | Gold |
| Libertine Holdings PLC | XLON:LIB | 1.30 | GBP | 2 | Industrial Machinery & Equipment |
| LifeSafe Holdings PLC | XLON:LIFS | 7.00 | GBP | 5 | Business Support Services |
| Life Science REIT PLC | XLON:LABS | 34.90 | GBP | 152 | Residential REITs |
| Life Settlement Assets PLC | XLON:LSAA | 1.85 | USD | 83 | Collective Investments |