| Packaged Software | 2.2 T GBP | 0.35% | −0.41% | 65.39 K | Technology services | 155 |
| Pharmaceuticals: Major | 1.55 T GBP | 1.80% | +1.93% | 766.59 K | Health technology | 101 |
| Semiconductors | 1.45 T GBP | 1.16% | −1.79% | 24.73 K | Electronic technology | 51 |
| Major Banks | 1.31 T GBP | 3.83% | +0.04% | 11.45 M | Finance | 54 |
| Medical Specialties | 1.2 T GBP | 0.70% | +0.15% | 63.05 K | Health technology | 82 |
| Electric Utilities | 932.98 B GBP | 3.30% | +0.89% | 538.44 K | Utilities | 53 |
| Real Estate Investment Trusts | 855.02 B GBP | 3.97% | +0.31% | 100.7 K | Finance | 102 |
| Specialty Stores | 657.78 B GBP | 0.60% | −1.20% | 7.61 K | Retail trade | 38 |
| Integrated Oil | 650.42 B GBP | 6.04% | −1.25% | 11.71 M | Energy minerals | 39 |
| Investment Managers | 643.48 B GBP | 2.70% | +0.37% | 147.79 K | Finance | 95 |
| Aerospace & Defense | 602.78 B GBP | 1.14% | −0.21% | 1.99 M | Electronic technology | 35 |
| Information Technology Services | 586.33 B GBP | 0.83% | −3.04% | 8.87 K | Technology services | 71 |
| Investment Banks/Brokers | 510.29 B GBP | 2.09% | +0.29% | 3.54 M | Finance | 34 |
| Multi-Line Insurance | 482.41 B GBP | 2.57% | +0.76% | 530.37 K | Finance | 19 |
| Motor Vehicles | 463.15 B GBP | 3.15% | −0.41% | 108.42 K | Consumer durables | 11 |
| Regional Banks | 437.39 B GBP | 2.28% | −0.37% | 5.2 K | Finance | 58 |
| Electrical Products | 435.6 B GBP | 1.16% | +0.72% | 55.49 K | Producer manufacturing | 45 |
| Chemicals: Specialty | 388.36 B GBP | 2.11% | +0.22% | 17.85 K | Process industries | 39 |
| Internet Software/Services | 382.49 B GBP | 0.50% | −0.25% | 377.95 K | Technology services | 35 |
| Other Metals/Minerals | 350.73 B GBP | 4.24% | −0.94% | 684.61 K | Non-energy minerals | 93 |
| Industrial Machinery | 342.69 B GBP | 1.30% | −0.19% | 37.73 K | Producer manufacturing | 74 |
| Telecommunications Equipment | 342.43 B GBP | 1.90% | −1.17% | 9.29 K | Electronic technology | 31 |
| Trucks/Construction/Farm Machinery | 336.63 B GBP | 1.55% | −1.16% | 49.06 K | Producer manufacturing | 21 |
| Household/Personal Care | 316.68 B GBP | 2.91% | +0.66% | 1.72 M | Consumer non-durables | 15 |
| Property/Casualty Insurance | 306.45 B GBP | 1.50% | +1.13% | 208.25 K | Finance | 17 |
| Electronic Equipment/Instruments | 303.32 B GBP | 0.97% | −1.15% | 73.42 K | Electronic technology | 34 |
| Wireless Telecommunications | 285.19 B GBP | 2.12% | +1.60% | 4.5 M | Communications | 7 |
| Miscellaneous Commercial Services | 268.08 B GBP | 1.38% | −1.48% | 1.39 M | Commercial services | 104 |
| Oil & Gas Pipelines | 262.85 B GBP | 4.81% | +0.30% | 9.64 K | Industrial services | 5 |
| Wholesale Distributors | 260.09 B GBP | 2.21% | −0.83% | 15.98 M | Distribution services | 45 |
| Hotels/Resorts/Cruise lines | 256.46 B GBP | 0.83% | +0.06% | 106.4 K | Consumer services | 19 |
| Steel | 250.46 B GBP | 4.21% | −0.38% | 467.46 K | Non-energy minerals | 18 |
| Computer Processing Hardware | 237.2 B GBP | 1.18% | +0.56% | 8.77 K | Electronic technology | 10 |
| Oil & Gas Production | 227.45 B GBP | 2.92% | −1.72% | 157.51 K | Energy minerals | 63 |
| Financial Publishing/Services | 224.33 B GBP | 0.73% | −1.41% | 197 | Commercial services | 4 |
| Restaurants | 222.34 B GBP | 1.58% | −0.61% | 967.57 K | Consumer services | 31 |
| Railroads | 212.9 B GBP | 2.06% | −0.95% | 968 | Transportation | 6 |
| Food: Specialty/Candy | 202.31 B GBP | 2.67% | +2.28% | 39.2 K | Consumer non-durables | 24 |
| Apparel/Footwear Retail | 183.57 B GBP | 1.29% | −0.06% | 267.18 K | Retail trade | 14 |
| Insurance Brokers/Services | 183.29 B GBP | 0.77% | −0.20% | 277 | Finance | 7 |
| Computer Peripherals | 182.22 B GBP | 0.57% | +0.06% | 7.92 K | Electronic technology | 17 |
| Managed Health Care | 181.92 B GBP | 1.59% | −1.40% | 3.28 K | Health services | 4 |
| Data Processing Services | 180.81 B GBP | 1.10% | −1.46% | 2.06 K | Technology services | 22 |
| Other Consumer Services | 180.7 B GBP | 0.48% | −1.04% | 33.64 K | Consumer services | 18 |
| Medical Distributors | 174.34 B GBP | 1.08% | +0.06% | 3.86 M | Distribution services | 15 |
| Recreational Products | 166.19 B GBP | 1.70% | −0.34% | 11.53 K | Consumer durables | 19 |
| Real Estate Development | 165.74 B GBP | 2.60% | −2.11% | 88.42 K | Finance | 76 |
| Air Freight/Couriers | 160.31 B GBP | 3.68% | −2.27% | 14.38 K | Transportation | 8 |
| Beverages: Alcoholic | 157.84 B GBP | 3.78% | +3.16% | 1.18 M | Consumer non-durables | 19 |
| Tobacco | 154.04 B GBP | 7.56% | −2.06% | 5.14 M | Consumer non-durables | 5 |
| Precious Metals | 151.45 B GBP | 1.29% | −0.60% | 540.11 K | Non-energy minerals | 101 |
| Specialty Telecommunications | 149.53 B GBP | 0.45% | −1.03% | 11.76 K | Communications | 8 |
| Finance/Rental/Leasing | 139.53 B GBP | 1.45% | −1.50% | 158.5 K | Finance | 42 |
| Beverages: Non-Alcoholic | 138.13 B GBP | 1.61% | +1.62% | 75.41 K | Consumer non-durables | 9 |
| Internet Retail | 133.84 B GBP | 0.00% | +6.79% | 34.81 K | Retail trade | 18 |
| Environmental Services | 130.83 B GBP | 1.25% | +0.62% | 3.14 K | Industrial services | 8 |
| Auto Parts: OEM | 126.84 B GBP | 2.24% | −1.05% | 133.67 K | Producer manufacturing | 24 |
| Oil Refining/Marketing | 119.03 B GBP | 3.21% | −0.61% | 22 | Energy minerals | 6 |
| Electronic Components | 115.84 B GBP | 1.33% | +0.12% | 9.58 K | Electronic technology | 25 |
| Construction Materials | 115.36 B GBP | 1.19% | −1.48% | 353.06 K | Non-energy minerals | 17 |
| Gas Distributors | 114.31 B GBP | 2.78% | +1.74% | 2.85 M | Utilities | 9 |
| Home Improvement Chains | 112.69 B GBP | 2.04% | −0.80% | 176.35 K | Retail trade | 4 |
| Building Products | 112.65 B GBP | 1.80% | +0.02% | 191.86 K | Producer manufacturing | 21 |
| Homebuilding | 107.51 B GBP | 1.79% | −0.24% | 774.7 K | Consumer durables | 27 |
| Financial Conglomerates | 106.19 B GBP | 2.08% | +0.22% | 304.63 K | Finance | 77 |
| Industrial Specialties | 96.79 B GBP | 1.21% | −0.79% | 10.61 K | Process industries | 14 |
| Biotechnology | 93.5 B GBP | 0.27% | +0.35% | 22.45 K | Health technology | 68 |
| Casinos/Gaming | 91.27 B GBP | 0.92% | −0.32% | 201.25 K | Consumer services | 8 |
| Airlines | 88.34 B GBP | 0.89% | −2.06% | 168.61 K | Transportation | 12 |
| Containers/Packaging | 86.67 B GBP | 2.37% | +0.91% | 153.53 K | Process industries | 14 |
| Food Retail | 82.84 B GBP | 2.94% | −0.12% | 5.27 M | Retail trade | 10 |
| Movies/Entertainment | 78.93 B GBP | 0.45% | +5.26% | 132.17 K | Consumer services | 28 |
| Engineering & Construction | 76.72 B GBP | 1.87% | +0.38% | 34.29 K | Industrial services | 51 |
| Hospital/Nursing Management | 74.8 B GBP | 0.89% | −1.08% | 3.51 K | Health services | 10 |
| Drugstore Chains | 70.12 B GBP | 3.78% | −2.98% | 10.43 K | Retail trade | 2 |
| Life/Health Insurance | 67.34 B GBP | 3.43% | +0.34% | 2.24 M | Finance | 7 |
| Advertising/Marketing Services | 64.76 B GBP | 2.16% | +11.77% | 293.17 K | Commercial services | 25 |
| Trucking | 56.71 B GBP | 0.67% | +2.29% | 37.27 K | Transportation | 4 |
| Electronics/Appliances | 52.39 B GBP | 2.28% | +0.38% | 246.89 K | Consumer durables | 13 |
| Food: Major Diversified | 50.39 B GBP | 4.41% | +2.23% | 396.58 K | Consumer non-durables | 4 |
| Apparel/Footwear | 46.54 B GBP | 0.80% | −0.59% | 177.56 K | Consumer non-durables | 20 |
| Cable/Satellite TV | 45.16 B GBP | — | +0.63% | 5 | Consumer services | 1 |
| Medical/Nursing Services | 44.66 B GBP | 0.48% | −1.22% | 17.73 K | Health services | 20 |
| Contract Drilling | 40.63 B GBP | 2.00% | −0.81% | 3.25 K | Industrial services | 6 |
| Food: Meat/Fish/Dairy | 39.76 B GBP | 3.26% | +1.83% | 6.74 K | Consumer non-durables | 13 |
| Water Utilities | 36.38 B GBP | 3.80% | +0.94% | 466.49 K | Utilities | 4 |
| Agricultural Commodities/Milling | 34.79 B GBP | 3.87% | +0.82% | 9.14 K | Process industries | 23 |
| Chemicals: Major Diversified | 32.87 B GBP | 2.20% | +0.11% | 75.04 K | Process industries | 8 |
| Discount Stores | 32.69 B GBP | 2.17% | +2.02% | 253.64 K | Retail trade | 5 |
| Pulp & Paper | 32.27 B GBP | 2.92% | −0.34% | 60.05 K | Process industries | 5 |
| Publishing: Newspapers | 30.5 B GBP | 1.10% | +0.03% | 12.66 K | Consumer services | 11 |
| Food Distributors | 29.07 B GBP | 2.81% | +2.13% | 1.94 K | Distribution services | 7 |
| Tools & Hardware | 28.67 B GBP | 3.00% | −0.24% | 196 | Consumer durables | 5 |
| Department Stores | 26.24 B GBP | 2.82% | +0.02% | 1.36 M | Retail trade | 5 |
| Electronic Production Equipment | 24.52 B GBP | 0.78% | +1.64% | 30.45 K | Electronic technology | 16 |
| Chemicals: Agricultural | 23.75 B GBP | 3.52% | −2.27% | 1.24 K | Process industries | 8 |
| Industrial Conglomerates | 21.58 B GBP | 5.23% | −14.67% | 482 | Producer manufacturing | 5 |
| Oilfield Services/Equipment | 19.25 B GBP | 2.49% | −0.01% | 28.43 K | Industrial services | 9 |
| Major Telecommunications | 18.24 B GBP | 4.43% | +2.33% | 11.85 M | Communications | 6 |
| Electronics/Appliance Stores | 15.72 B GBP | 4.26% | −1.35% | 172 | Retail trade | 4 |