Ranked by tracked rounds in the last 12 months. Round size is the median size of the rounds they took part in, which is not the same as their own cheque.
| # | Investor | Rounds | Led | Capital in those rounds | Median round | Backed same company again |
|---|---|---|---|---|---|---|
| 1 | Innovate UK | 6 | 0 | £25.2m | £1.9m | 0 |
| 2 | Ada Ventures | 4 | 1 | £38.8m | £4.1m | 0 |
| 3 | Plural | 3 | 0 | £350.3m | £73.5m | 0 |
| 4 | Entrepreneurs First | 3 | 0 | £286.7m | £29.5m | 0 |
| 5 | PXN Ventures | 3 | 0 | £41.3m | £16m | 0 |
| 6 | Scottish Enterprise | 3 | 0 | £26.9m | £2.6m | 0 |
| 7 | Northstar Ventures | 3 | 2 | £18.0m | £1.3m | 0 |
| 8 | Mercia Ventures | 3 | 2 | £11.3m | £1.3m | 0 |
| 9 | Phoenix Court | 2 | 0 | £486.8m | £243.4m | 0 |
| 10 | LocalGlobe | 2 | 0 | £262.8m | £131.4m | 0 |
| 11 | Creandum | 2 | 0 | £261.3m | £130.6m | 0 |
| 12 | Lakestar | 2 | 0 | £244m | £122m | 0 |
| 13 | UK Sovereign AI Fund | 2 | 0 | £178.5m | £89.3m | 0 |
| 14 | Scottish National Investment Bank | 2 | 1 | £56.7m | £28.4m | 0 |
| 15 | Seedcamp | 2 | 1 | £47.0m | £23.5m | 0 |
| 16 | Archangels | 2 | 0 | £25.3m | £12.7m | 0 |
| 17 | Barclays Climate Ventures | 2 | 0 | £24.9m | £12.4m | 0 |
| 18 | Balderton Capital | 2 | 2 | £21.9m | £10.9m | 0 |
| 19 | Active Partners | 2 | 0 | £15.7m | £7.8m | 0 |
| 20 | AlbionVC | 2 | 1 | £15.7m | £7.8m | 0 |
| 21 | Rank Ventures | 2 | 0 | £14.4m | £7.2m | 0 |
| 22 | Love Ventures | 2 | 0 | £12.8m | £6.4m | 0 |
| 23 | NPIF II - PXN Equity Finance | 2 | 0 | £12.5m | £6.3m | 0 |
| 24 | Northern Gritstone | 2 | 2 | £12.5m | £6.3m | 0 |
| 25 | Octopus Ventures | 2 | 1 | £11.6m | £5.8m | 0 |
| 26 | Plug and Play | 2 | 0 | £11.3m | £5.6m | 0 |
| 27 | Blackfinch Ventures | 2 | 1 | £6.0m | £3.0m | 0 |
| 28 | Low Carbon Innovation Fund 3 | 2 | 1 | £5.6m | £2.8m | 0 |
| 29 | Kadmos Capital | 2 | 1 | £4.5m | £2.3m | 0 |
| 30 | Exceptional Ventures | 2 | 1 | £4.5m | £2.3m | 0 |
| 31 | Green Angel Ventures | 2 | 1 | £1.6m | £810k | 0 |
| 32 | British Design Fund | 2 | 0 | £1.4m | £700k | 0 |
| 33 | Institut Català de Finances | 1 | 0 | £255m | £255m | 0 |
| 34 | Lightrock | 1 | 1 | £255m | £255m | 0 |
| 35 | ETF Partners | 1 | 1 | £255m | £255m | 0 |
| 36 | Convex | 1 | 0 | £255m | £255m | 0 |
| 37 | British Columbia Investment Management Corporation | 1 | 1 | £255m | £255m | 0 |
| 38 | Claret Capital Partners | 1 | 0 | £255m | £255m | 0 |
| 39 | Latitude | 1 | 0 | £255m | £255m | 0 |
| 40 | National Security Strategic Investment Fund | 1 | 0 | £255m | £255m | 0 |
| 41 | Crane | 1 | 0 | £231.8m | £231.8m | 0 |
| 42 | Fundomo | 1 | 0 | £231.8m | £231.8m | 0 |
| 43 | UK Sovereign AI Venture Fund | 1 | 0 | £231.8m | £231.8m | 0 |
| 44 | Arm | 1 | 0 | £231.8m | £231.8m | 0 |
| 45 | Hudson River Trading | 1 | 0 | £231.8m | £231.8m | 0 |
| 46 | Hummingbird Ventures | 1 | 0 | £231.8m | £231.8m | 0 |
| 47 | Transition | 1 | 0 | £231.8m | £231.8m | 0 |
| 48 | Never Lift | 1 | 0 | £222m | £222m | 0 |
| 49 | Lux Capital | 1 | 0 | £222m | £222m | 0 |
| 50 | DFJ Growth | 1 | 1 | £222m | £222m | 0 |
