| Packaged Software | 2.3 T GBP | 0.34% | −0.83% | 76.59 K | Technology services | 159 |
| Pharmaceuticals: Major | 1.77 T GBP | 1.85% | −0.67% | 1.04 M | Health technology | 105 |
| Semiconductors | 1.52 T GBP | 1.12% | −0.10% | 9 K | Electronic technology | 51 |
| Major Banks | 1.32 T GBP | 3.71% | +0.47% | 5.86 M | Finance | 50 |
| Medical Specialties | 1.23 T GBP | 0.68% | −0.39% | 65.53 K | Health technology | 83 |
| Electric Utilities | 991.36 B GBP | 3.32% | +0.25% | 572.39 K | Utilities | 52 |
| Real Estate Investment Trusts | 864.76 B GBP | 3.95% | +0.20% | 193.59 K | Finance | 102 |
| Information Technology Services | 700.39 B GBP | 0.91% | −0.50% | 23.9 K | Technology services | 71 |
| Specialty Stores | 698.94 B GBP | 0.56% | −0.22% | 9.51 K | Retail trade | 38 |
| Investment Managers | 678.84 B GBP | 2.60% | −0.72% | 211.39 K | Finance | 94 |
| Integrated Oil | 660.85 B GBP | 6.05% | +1.14% | 7.6 M | Energy minerals | 38 |
| Aerospace & Defense | 656.32 B GBP | 1.06% | +0.24% | 1.27 M | Electronic technology | 37 |
| Investment Banks/Brokers | 517.61 B GBP | 2.08% | +0.17% | 2.33 M | Finance | 34 |
| Motor Vehicles | 485.32 B GBP | 3.03% | +0.04% | 252.38 K | Consumer durables | 13 |
| Multi-Line Insurance | 485.21 B GBP | 2.58% | +0.46% | 1.4 M | Finance | 19 |
| Electrical Products | 429.13 B GBP | 1.21% | −0.41% | 33.57 K | Producer manufacturing | 42 |
| Internet Software/Services | 401.18 B GBP | 0.46% | −0.15% | 434.44 K | Technology services | 33 |
| Chemicals: Specialty | 394.36 B GBP | 2.19% | +1.65% | 17.57 K | Process industries | 39 |
| Regional Banks | 385.27 B GBP | 2.27% | +0.54% | 3.17 K | Finance | 49 |
| Trucks/Construction/Farm Machinery | 377.11 B GBP | 1.46% | +0.32% | 39.67 K | Producer manufacturing | 20 |
| Other Metals/Minerals | 355.66 B GBP | 4.31% | −1.76% | 1.78 M | Non-energy minerals | 88 |
| Industrial Machinery | 352.78 B GBP | 1.23% | −0.10% | 48.18 K | Producer manufacturing | 71 |
| Telecommunications Equipment | 345.42 B GBP | 1.90% | −0.86% | 1.77 K | Electronic technology | 29 |
| Electronic Equipment/Instruments | 326.29 B GBP | 0.92% | +0.35% | 63.9 K | Electronic technology | 35 |
| Household/Personal Care | 320.7 B GBP | 2.88% | +0.17% | 1.48 M | Consumer non-durables | 17 |
| Property/Casualty Insurance | 317.14 B GBP | 1.48% | −1.16% | 52.27 K | Finance | 17 |
| Miscellaneous Commercial Services | 302.26 B GBP | 1.21% | +0.17% | 1.19 M | Commercial services | 102 |
| Wireless Telecommunications | 284.81 B GBP | 2.23% | +1.01% | 8.37 M | Communications | 7 |
| Hotels/Resorts/Cruise lines | 284.35 B GBP | 0.70% | −2.60% | 99.04 K | Consumer services | 18 |
| Oil & Gas Pipelines | 275.55 B GBP | 4.68% | −0.30% | 20.7 K | Industrial services | 5 |
| Wholesale Distributors | 253.6 B GBP | 2.13% | −0.53% | 5.76 M | Distribution services | 40 |
| Steel | 247.3 B GBP | 4.88% | −1.26% | 366.29 K | Non-energy minerals | 17 |
| Computer Processing Hardware | 239.5 B GBP | 1.19% | −0.70% | 9.04 K | Electronic technology | 10 |
| Oil & Gas Production | 237.68 B GBP | 2.88% | +2.88% | 179.49 K | Energy minerals | 64 |
| Restaurants | 235.62 B GBP | 1.52% | −0.63% | 459.19 K | Consumer services | 31 |
| Financial Publishing/Services | 228.88 B GBP | 0.72% | +2.05% | 1.11 K | Commercial services | 4 |
| Railroads | 218.43 B GBP | 2.01% | +1.32% | 693 | Transportation | 5 |
| Computer Peripherals | 209.65 B GBP | 0.52% | −1.34% | 6 K | Electronic technology | 16 |
| Food: Specialty/Candy | 193.48 B GBP | 2.85% | +0.88% | 25.91 K | Consumer non-durables | 25 |
| Apparel/Footwear Retail | 192.54 B GBP | 1.26% | −0.21% | 428.85 K | Retail trade | 15 |
| Managed Health Care | 190.19 B GBP | 1.57% | −1.35% | 921 | Health services | 4 |
| Insurance Brokers/Services | 184.88 B GBP | 0.77% | +0.14% | 983 | Finance | 7 |
| Other Consumer Services | 182.71 B GBP | 0.48% | −0.46% | 137.11 K | Consumer services | 18 |
| Real Estate Development | 182.64 B GBP | 2.43% | +0.36% | 186.5 K | Finance | 74 |
| Medical Distributors | 178.79 B GBP | 1.07% | +0.78% | 3.86 M | Distribution services | 15 |
| Data Processing Services | 177.47 B GBP | 1.08% | −0.40% | 1.9 K | Technology services | 21 |
| Tobacco | 175.5 B GBP | 6.66% | +0.41% | 1.43 M | Consumer non-durables | 6 |
| Precious Metals | 165.17 B GBP | 1.20% | −0.09% | 583.76 K | Non-energy minerals | 102 |
| Air Freight/Couriers | 162.51 B GBP | 3.72% | +0.80% | 10.06 K | Transportation | 8 |
| Recreational Products | 160.68 B GBP | 1.79% | +0.10% | 32.63 K | Consumer durables | 19 |
| Beverages: Alcoholic | 156.23 B GBP | 3.88% | −1.01% | 1.09 M | Consumer non-durables | 17 |
| Specialty Telecommunications | 152.21 B GBP | 0.45% | −1.12% | 32.54 K | Communications | 7 |
| Finance/Rental/Leasing | 149.12 B GBP | 1.37% | −0.05% | 261.9 K | Finance | 41 |
| Internet Retail | 132.83 B GBP | 0.00% | +0.57% | 24.64 K | Retail trade | 17 |
| Homebuilding | 132.48 B GBP | 1.46% | −0.23% | 866.68 K | Consumer durables | 26 |
| Beverages: Non-Alcoholic | 130.94 B GBP | 1.74% | −0.15% | 32.93 K | Consumer non-durables | 9 |
| Environmental Services | 130.87 B GBP | 1.20% | +0.14% | 807 | Industrial services | 6 |
| Auto Parts: OEM | 127.65 B GBP | 2.28% | +0.12% | 251.03 K | Producer manufacturing | 22 |
| Construction Materials | 123.79 B GBP | 1.11% | −0.75% | 162.11 K | Non-energy minerals | 16 |
| Home Improvement Chains | 123.35 B GBP | 1.90% | +1.07% | 276.86 K | Retail trade | 4 |
| Electronic Components | 122.5 B GBP | 1.28% | −1.44% | 5.95 K | Electronic technology | 23 |
| Oil Refining/Marketing | 121.16 B GBP | 3.23% | +1.09% | 572 | Energy minerals | 6 |
| Gas Distributors | 115.47 B GBP | 2.79% | −1.13% | 2.61 M | Utilities | 8 |
| Industrial Specialties | 115.2 B GBP | 1.17% | +0.56% | 7.28 K | Process industries | 12 |
| Building Products | 115.2 B GBP | 1.79% | +0.79% | 177.03 K | Producer manufacturing | 21 |
| Financial Conglomerates | 102.14 B GBP | 2.16% | +0.34% | 336.16 K | Finance | 80 |
| Biotechnology | 97.93 B GBP | 0.27% | −0.71% | 13.52 K | Health technology | 69 |
| Airlines | 97.5 B GBP | 0.83% | −3.48% | 540.85 K | Transportation | 12 |
| Casinos/Gaming | 90.88 B GBP | 0.96% | −1.20% | 397.87 K | Consumer services | 8 |
| Engineering & Construction | 87.6 B GBP | 1.72% | −1.15% | 42.78 K | Industrial services | 51 |
| Food Retail | 85.75 B GBP | 2.86% | +0.33% | 6.71 M | Retail trade | 10 |
| Containers/Packaging | 82.48 B GBP | 2.36% | −0.21% | 121.68 K | Process industries | 14 |
| Movies/Entertainment | 78.58 B GBP | 0.37% | −1.08% | 329.69 K | Consumer services | 27 |
| Hospital/Nursing Management | 77.8 B GBP | 0.86% | +0.60% | 6.53 K | Health services | 8 |
| Life/Health Insurance | 68.42 B GBP | 3.44% | −0.30% | 2.9 M | Finance | 7 |
| Trucking | 63.75 B GBP | 0.61% | +0.19% | 746 | Transportation | 4 |
| Drugstore Chains | 62.21 B GBP | 4.35% | +0.49% | 17.79 K | Retail trade | 2 |
| Electronics/Appliances | 51.29 B GBP | 2.29% | −1.06% | 253.08 K | Consumer durables | 12 |
| Medical/Nursing Services | 50.46 B GBP | 0.44% | −0.24% | 4.88 K | Health services | 21 |
| Food: Major Diversified | 49.35 B GBP | 4.58% | +0.26% | 749.57 K | Consumer non-durables | 4 |
| Apparel/Footwear | 47.7 B GBP | 0.80% | +0.66% | 83.29 K | Consumer non-durables | 22 |
| Cable/Satellite TV | 44.04 B GBP | — | +0.45% | 11 | Consumer services | 1 |
| Contract Drilling | 43.73 B GBP | 1.90% | +0.36% | 3.63 K | Industrial services | 8 |
| Advertising/Marketing Services | 40.7 B GBP | 3.48% | −0.54% | 462.26 K | Commercial services | 23 |
| Food: Meat/Fish/Dairy | 39.31 B GBP | 3.36% | +0.16% | 5.67 K | Consumer non-durables | 13 |
| Water Utilities | 35.81 B GBP | 3.90% | −0.04% | 659.23 K | Utilities | 4 |
| Discount Stores | 33.22 B GBP | 2.17% | +0.37% | 306.78 K | Retail trade | 5 |
| Agricultural Commodities/Milling | 32.76 B GBP | 4.17% | +0.39% | 4.19 K | Process industries | 21 |
| Pulp & Paper | 32.47 B GBP | 3.08% | +0.64% | 648.86 K | Process industries | 4 |
| Chemicals: Major Diversified | 31.86 B GBP | 2.31% | +5.86% | 100.3 K | Process industries | 8 |
| Publishing: Newspapers | 31.77 B GBP | 1.03% | +0.05% | 1.57 K | Consumer services | 9 |
| Tools & Hardware | 29.09 B GBP | 3.01% | +0.53% | 463 | Consumer durables | 5 |
| Food Distributors | 28.57 B GBP | 2.93% | +0.01% | 1.89 K | Distribution services | 7 |
| Department Stores | 26.31 B GBP | 2.86% | +0.63% | 4.34 M | Retail trade | 6 |
| Chemicals: Agricultural | 26.3 B GBP | 3.29% | +1.25% | 2.17 K | Process industries | 8 |
| Electronic Production Equipment | 25.23 B GBP | 0.79% | −0.10% | 10.77 K | Electronic technology | 17 |
| Major Telecommunications | 24.91 B GBP | 3.59% | +1.81% | 12.74 M | Communications | 8 |
| Oilfield Services/Equipment | 20.02 B GBP | 2.48% | +1.90% | 55.28 K | Industrial services | 10 |
| Marine Shipping | 16.25 B GBP | 8.70% | +0.77% | 8.11 K | Transportation | 21 |
| Electronics/Appliance Stores | 15.78 B GBP | 4.35% | +0.09% | 577 | Retail trade | 4 |