| Packaged Software | 2.02 T GBP | 0.37% | −1.74% | 30.78 K | Technology services | 148 |
| Pharmaceuticals: Major | 1.73 T GBP | 1.84% | +0.18% | 1.25 M | Health technology | 100 |
| Major Banks | 1.28 T GBP | 3.79% | −0.17% | 9.78 M | Finance | 50 |
| Semiconductors | 1.21 T GBP | 1.32% | −0.37% | 621 | Electronic technology | 48 |
| Medical Specialties | 1.12 T GBP | 0.74% | −0.08% | 108.43 K | Health technology | 82 |
| Electric Utilities | 944.63 B GBP | 3.31% | +0.42% | 619.27 K | Utilities | 51 |
| Investment Managers | 829.58 B GBP | 2.75% | +1.01% | 418.16 K | Finance | 153 |
| Real Estate Investment Trusts | 823.76 B GBP | 4.03% | +0.29% | 218.87 K | Finance | 102 |
| Integrated Oil | 652.83 B GBP | 6.11% | +0.49% | 7.33 M | Energy minerals | 38 |
| Aerospace & Defense | 642.93 B GBP | 1.13% | −0.44% | 3.24 M | Electronic technology | 35 |
| Specialty Stores | 575.2 B GBP | 0.67% | +0.59% | 14.91 K | Retail trade | 41 |
| Information Technology Services | 511.55 B GBP | 0.87% | −0.32% | 11.89 K | Technology services | 70 |
| Investment Banks/Brokers | 497.3 B GBP | 1.78% | +0.12% | 3.09 M | Finance | 34 |
| Multi-Line Insurance | 477.73 B GBP | 2.38% | +0.71% | 1.45 M | Finance | 19 |
| Motor Vehicles | 472.06 B GBP | 2.94% | −0.39% | 80.35 K | Consumer durables | 12 |
| Electrical Products | 434.32 B GBP | 1.18% | +0.11% | 264.04 K | Producer manufacturing | 46 |
| Internet Software/Services | 366.58 B GBP | 0.54% | +0.50% | 399.26 K | Technology services | 34 |
| Chemicals: Specialty | 366.57 B GBP | 2.20% | −0.34% | 9.7 K | Process industries | 37 |
| Regional Banks | 356.58 B GBP | 2.28% | −0.68% | 7.98 K | Finance | 55 |
| Trucks/Construction/Farm Machinery | 324.17 B GBP | 1.55% | −0.04% | 123.29 K | Producer manufacturing | 22 |
| Oil & Gas Pipelines | 323.65 B GBP | 4.41% | +0.78% | 1.61 K | Industrial services | 6 |
| Other Metals/Minerals | 322.84 B GBP | 3.99% | −0.54% | 676.02 K | Non-energy minerals | 91 |
| Telecommunications Equipment | 319.37 B GBP | 1.97% | +1.48% | 1.77 K | Electronic technology | 28 |
| Household/Personal Care | 316.4 B GBP | 2.92% | +0.53% | 1.61 M | Consumer non-durables | 16 |
| Wholesale Distributors | 292.84 B GBP | 2.34% | +0.12% | 5.71 M | Distribution services | 47 |
| Electronic Equipment/Instruments | 289.13 B GBP | 1.00% | −0.24% | 618.86 K | Electronic technology | 37 |
| Wireless Telecommunications | 270.2 B GBP | 2.13% | −0.68% | 3.87 M | Communications | 6 |
| Miscellaneous Commercial Services | 251.96 B GBP | 1.48% | +0.40% | 1.86 M | Commercial services | 100 |
| Property/Casualty Insurance | 232.69 B GBP | 1.58% | −0.04% | 119.23 K | Finance | 14 |
| Steel | 229.49 B GBP | 5.46% | −1.31% | 603.66 K | Non-energy minerals | 17 |
| Industrial Machinery | 229.42 B GBP | 1.53% | +0.01% | 41.46 K | Producer manufacturing | 70 |
| Hotels/Resorts/Cruise lines | 226.14 B GBP | 0.88% | +0.70% | 252.68 K | Consumer services | 19 |
| Oil & Gas Production | 222.03 B GBP | 2.97% | +0.80% | 120.66 K | Energy minerals | 65 |
| Computer Processing Hardware | 219.89 B GBP | 1.31% | +0.25% | 7.28 K | Electronic technology | 11 |
| Restaurants | 213.99 B GBP | 1.62% | −1.03% | 1.41 M | Consumer services | 30 |
| Financial Publishing/Services | 205.55 B GBP | 0.78% | +0.65% | 1.36 K | Commercial services | 4 |
| Food: Specialty/Candy | 198.28 B GBP | 2.69% | −0.04% | 36.25 K | Consumer non-durables | 28 |
| Railroads | 196.22 B GBP | 2.16% | −0.51% | 1.42 K | Transportation | 6 |
| Managed Health Care | 191.6 B GBP | 1.47% | −0.37% | 312 | Health services | 4 |
| Insurance Brokers/Services | 183.55 B GBP | 0.76% | +1.26% | 265 | Finance | 7 |
| Precious Metals | 168.23 B GBP | 1.33% | +0.64% | 1.22 M | Non-energy minerals | 101 |
| Apparel/Footwear Retail | 167.2 B GBP | 1.40% | −0.10% | 399.82 K | Retail trade | 14 |
| Tobacco | 162.52 B GBP | 7.11% | −0.49% | 4.32 M | Consumer non-durables | 5 |
| Other Consumer Services | 161.89 B GBP | 0.52% | +0.49% | 92.64 K | Consumer services | 19 |
| Data Processing Services | 160.32 B GBP | 1.14% | −0.43% | 2.23 K | Technology services | 20 |
| Beverages: Alcoholic | 157.99 B GBP | 3.90% | +1.30% | 3.49 M | Consumer non-durables | 18 |
| Real Estate Development | 156.83 B GBP | 2.72% | +11.56% | 143.88 K | Finance | 76 |
| Investment Trusts/Mutual Funds | 156.76 B GBP | 2.35% | +0.21% | 833.62 K | Miscellaneous | 4107 |
| Air Freight/Couriers | 154.83 B GBP | 3.71% | −2.21% | 36.08 K | Transportation | 8 |
| Recreational Products | 150.14 B GBP | 1.83% | +1.11% | 60.75 K | Consumer durables | 18 |
| Medical Distributors | 146.88 B GBP | 0.89% | +0.40% | 1.37 K | Distribution services | 14 |
| Computer Peripherals | 146.65 B GBP | 0.69% | −0.67% | 5.59 K | Electronic technology | 18 |
| Beverages: Non-Alcoholic | 137.48 B GBP | 1.58% | −0.45% | 53.56 K | Consumer non-durables | 9 |
| Home Improvement Chains | 135.95 B GBP | 2.27% | +1.16% | 193.15 K | Retail trade | 6 |
| Environmental Services | 128.15 B GBP | 1.24% | +0.29% | 5.1 K | Industrial services | 7 |
| Finance/Rental/Leasing | 122.72 B GBP | 1.67% | +1.38% | 730.04 K | Finance | 44 |
| Specialty Telecommunications | 121.76 B GBP | 0.54% | +1.02% | 342.91 K | Communications | 6 |
| Auto Parts: OEM | 116.98 B GBP | 2.32% | −0.54% | 43.4 K | Producer manufacturing | 22 |
| Oil Refining/Marketing | 115.04 B GBP | 3.23% | +0.71% | 340 | Energy minerals | 6 |
| Construction Materials | 113.67 B GBP | 1.26% | +0.75% | 239.29 K | Non-energy minerals | 18 |
| Financial Conglomerates | 110.77 B GBP | 2.23% | +0.06% | 995.98 K | Finance | 74 |
| Homebuilding | 109.92 B GBP | 1.79% | +1.90% | 914.59 K | Consumer durables | 26 |
| Electronic Components | 109.71 B GBP | 1.36% | +0.50% | 6.7 K | Electronic technology | 25 |
| Industrial Specialties | 103.06 B GBP | 1.29% | +0.56% | 14.81 K | Process industries | 13 |
| Gas Distributors | 92.48 B GBP | 2.71% | −0.12% | 1.11 M | Utilities | 8 |
| Biotechnology | 88.28 B GBP | 0.29% | +0.53% | 11.08 K | Health technology | 67 |
| Internet Retail | 87.42 B GBP | 0.00% | +0.47% | 40.5 K | Retail trade | 16 |
| Casinos/Gaming | 81.27 B GBP | 1.01% | +0.78% | 203.59 K | Consumer services | 8 |
| Life/Health Insurance | 79.85 B GBP | 3.18% | +1.23% | 3.35 M | Finance | 8 |
| Containers/Packaging | 79.8 B GBP | 2.47% | −0.35% | 135.74 K | Process industries | 15 |
| Engineering & Construction | 78.11 B GBP | 2.00% | +0.57% | 71.72 K | Industrial services | 52 |
| Food Retail | 77.77 B GBP | 3.15% | −0.33% | 8.77 M | Retail trade | 10 |
| Building Products | 75.38 B GBP | 1.91% | −0.37% | 120.85 K | Producer manufacturing | 22 |
| Hospital/Nursing Management | 74.81 B GBP | 0.84% | +0.40% | 24.64 K | Health services | 8 |
| Drugstore Chains | 74.15 B GBP | 3.53% | +0.77% | 11.23 K | Retail trade | 2 |
| Airlines | 73.93 B GBP | 1.05% | +0.61% | 398.28 K | Transportation | 12 |
| Advertising/Marketing Services | 71.33 B GBP | 1.94% | +8.82% | 590.35 K | Commercial services | 26 |
| Apparel/Footwear | 69.25 B GBP | 0.53% | +0.20% | 67.27 K | Consumer non-durables | 21 |
| Agricultural Commodities/Milling | 65.25 B GBP | 2.56% | −0.61% | 11.63 K | Process industries | 22 |
| Trucking | 49.37 B GBP | 0.79% | −11.30% | 18 | Transportation | 5 |
| Food: Major Diversified | 48.3 B GBP | 4.49% | −0.42% | 346.21 K | Consumer non-durables | 4 |
| Cable/Satellite TV | 44.3 B GBP | — | +2.34% | 0 | Consumer services | 1 |
| Medical/Nursing Services | 44.19 B GBP | 0.49% | −0.61% | 49.39 K | Health services | 22 |
| Electronics/Appliances | 40.57 B GBP | 2.84% | +1.00% | 578.1 K | Consumer durables | 11 |
| Contract Drilling | 38.81 B GBP | 2.05% | +0.07% | 11.85 K | Industrial services | 7 |
| Food: Meat/Fish/Dairy | 38.64 B GBP | 3.27% | +0.03% | 13.3 K | Consumer non-durables | 11 |
| Water Utilities | 38.15 B GBP | 3.67% | +0.31% | 1.72 M | Utilities | 5 |
| Chemicals: Major Diversified | 30.72 B GBP | 2.43% | −0.68% | 39.06 K | Process industries | 8 |
| Discount Stores | 30.54 B GBP | 2.30% | +2.23% | 231.38 K | Retail trade | 5 |
| Pulp & Paper | 30.14 B GBP | 3.06% | −0.25% | 56.26 K | Process industries | 4 |
| Movies/Entertainment | 29.65 B GBP | 0.92% | +0.54% | 2.12 M | Consumer services | 22 |
| Food Distributors | 29.33 B GBP | 2.93% | −0.75% | 2.77 K | Distribution services | 8 |
| Publishing: Newspapers | 28.77 B GBP | 1.11% | +0.70% | 6.26 K | Consumer services | 11 |
| Tools & Hardware | 26.91 B GBP | 3.10% | −0.52% | 133 | Consumer durables | 6 |
| Department Stores | 24.88 B GBP | 2.44% | +0.43% | 2.42 M | Retail trade | 5 |
| Chemicals: Agricultural | 24.02 B GBP | 3.38% | −0.03% | 1.74 K | Process industries | 8 |
| Broadcasting | 23.02 B GBP | 0.43% | +0.38% | 611 | Consumer services | 6 |
| Major Telecommunications | 22.75 B GBP | 4.02% | +1.76% | 12.1 M | Communications | 7 |
| Electronic Production Equipment | 20.58 B GBP | 0.99% | −0.20% | 29.17 K | Electronic technology | 17 |
| Oilfield Services/Equipment | 17.95 B GBP | 2.61% | −0.75% | 54.72 K | Industrial services | 9 |