| Baillie Gifford European Growth Trust Plc | BGEU | £1.09 | £339mn |  | 
| Baillie Gifford Japan Trust plc | BGFD | £9.41 | £723mn | FTSE 250 FTSE 350 | 
| Baillie Gifford Shin Nippon plc | BGS | £1.29 | £322mn | FTSE 250 FTSE 350 | 
| Baillie Gifford UK Growth Trust plc | BGUK | £2.09 | £248mn |  | 
| Baillie Gifford US Growth Trust Plc. | USA | £2.79 | £773mn | FTSE 250 FTSE 350 | 
| Baker Steel Resources Trust Limited | BSRT | £0.74 | £79mn |  | 
| Bakkavor Group Plc | BAKK | £2.23 | £1.3bn |  | 
| Balanced Commercial Property Trust Limited | BCPT | £0.96 | £672mn | FTSE 250 FTSE 350 | 
| Balfour Beatty plc | BBY | £6.76 | £3.3bn | FTSE 350 FTSE 250 CBOE 250 CBOE 350 STOXX600 | 
| Baltic Classifieds Group PLC | BCG | £3.01 | £1.5bn | FTSE 250 FTSE 350 | 
| Bango PLC | BGO | £0.99 | £76mn |  | 
| Bankers Investment Trust plc | BNKR | £1.33 | £1.3bn | FTSE 250 FTSE 350 | 
| Barclays plc | BARC | £4.05 | £56.4bn | FTSE 100 FTSE 350 FTSE Eurotop 100 S&P Global 100 CBOE 100 CBOE 350 STOXX600 | 
| Barings Emerging EMEA Opportunities PLC. | BEMO | £7.98 | £93mn |  | 
| Baronsmead Second Venture Trust plc. | BMD | £0.52 | £211mn |  | 
| Baronsmead Venture Trust Plc | BVT | £0.49 | £207mn |  | 
| Barratt Redrow Plc | BTRW | £3.88 | £5.5bn | FTSE 350 FTSE 100 CBOE 100 CBOE 350 STOXX600 | 
| BATM Advanced Communications Limited | BVC | £0.19 | £81mn |  | 
| BBGI Global Infrastructure S.A. | BBGI | £1.42 | £1.0bn | FTSE 350 FTSE 250 | 
| Beazley Plc. | BEZ | £9.34 | £5.6bn | FTSE 350 CBOE 250 CBOE 350 STOXX600 FTSE 100 | 
| Beeks Financial Cloud Group Plc | BKS | £2.58 | £174mn |  | 
| Begbies Traynor Group | BEG | £1.10 | £175mn |  | 
| Bellevue Healthcare Trust Plc | BBH | £1.32 | £147mn |  | 
| Bellway plc | BWY | £26.62 | £3.2bn | FTSE 350 FTSE 250 CBOE 250 CBOE 350 STOXX600 | 
| Belvoir Group Plc | BLV | £2.79 | £104mn |  | 
| Berkeley Group Holdings | BP0RGD0 | £40.40 | £3.9bn | FTSE 350 STOXX600 CBOE 250 CBOE 350 FTSE 100 | 
| Best of the Best Plc | BOTB | £5.30 | £50mn |  | 
| Beximco Pharmaceuticals Limited | BXP | £0.43 | £39mn |  | 
| BH Macro Ltd | BHMG | £4.06 | £1.3bn | FTSE 250 FTSE 350 | 
| BH Macro Ltd | BHMU | £3.15 | £80mn |  |