 National Grid plc | NG. | GB00BDR05C01 | |
 National Westminster Bank plc | NWBD | GB0006227051 | |
 Nationwide Building Society | NBS | GB00BBQ33664 | |
 Nativo Resources Plc | NTVO | GB00BRYPS729 | |
 Natwest Group plc | NWG | GB00BM8PJY71 | |
| NB Distressed Debt Investment Fund Limited | NBDD | GG00BDFZ6F78 | |
| NB Distressed Debt Investment Fund Limited | NBDG | GG00BTLMK410 | |
| NB Distressed Debt Investment Fund Limited | NBDX | GG00BPNZ1C58 | |
 NCC Group plc | NCC | GB00B01QGK86 | |
 Neo Energy Metals PLC | NEO | GB00BYWLRL80 | |
| Neoterra Group PLC | TERA | GB00BFZNKV91 | |
 NET Zero Infrastructure plc | NZI | GB00BNK8T635 | |
 Netcall plc | NET | GB0000060532 | |
 Neuberger Private Equity Partners Limited | NBPE | GG00B1ZBD492 | |
 Neuberger Private Equity Partners Limited | NBPU | GG00B1ZBD492 | |
 New Frontier Minerals Limited | NFM | AU0000368748 | |
 NEW Star Investment Trust plc | NSI | GB0002631041 | |
 Newbury Racecourse plc | NYR | GB0002910429 | |
 Newmark Security plc | NWT | GB00BNYM9W73 | |
| Newriver Reit plc | NRR | GB00BD7XPJ64 | |
 Next 15 Group plc | NFG | GB0030026057 | |
 Next plc | NXT | GB0032089863 | |
 Nextenergy Solar Fund Limited | NESF | GG00BJ0JVY01 | |
 Nexteq plc | NXQ | GB00B99PCP71 | |
 Nexus Infrastructure plc | NEXS | GB00BZ77SW60 | |
 Nichols plc | NICL | GB0006389398 | |
| Ninety ONE plc | N91 | GB00BJHPLV88 | |
 Niox Group plc | NIOX | GB00BJVD3B28 | |
 Nippon Active Value Fund plc | NAVF | GB00BKLGLS10 | |
 Norcros plc | NXR | GB00BYYJL418 | |
 Norman Broadbent plc | NBB | GB00BTHYM345 | |
 North American Income Trust (The) plc | NAIT | GB00BJ00Z303 | |
 North Atlantic Smaller Companies Investment Trust plc | NAS | GB00BRDXZ870 | |
 Northamber plc | NAR | GB00B2Q99X01 | |
 Northcoders Group PLC | CODE | GB00BL97B942 | |
 Northern 2 VCT plc | NTV | GB0005356430 | |
 Northern 3 VCT plc | NTN | GB0031152027 | |
 Northern Bear plc | NTBR | GB00B19FLM15 | |
| Northern Electric plc | NTEA | GB0006546898 | |
 Northern Venture Trust plc | NVT | GB0006450703 | |
 Nostrum OIL & GAS plc | NOG | GB00BQVVS097 | |
 Novacyt S.A. | NCYT | FR0010397232 | |
 Nuformix plc | NFX | GB00BYW79Y38 | |
 NWF Group plc | NWF | GB0006523608 | |
 NYCE International PLC | NYCE | GB00BW9N7242 | |
 Oakley Capital Investments Limited | OCI | BMG670131058 | |
 Oberon Aim VCT plc | OVCT | GB00B1SN3863 | |
 Oberon Investments Group Plc | OBE | GB00BDZRYX75 | |
 Ocado Group plc | OCDO | GB00B3MBS747 | |
 Octopus AIM VCT 2 plc | OSEC | GB00B0JQZZ80 | |
 Octopus AIM VCT plc | OOA | GB0034202076 | |
 Octopus Apollo VCT plc | OAP3 | GB00B17B3479 | |
 Octopus Future Generations VCT plc | OFG | GB00BNGFHX14 | |
 Octopus Renewables Infrastructure Trust plc | ORIT | GB00BJM02935 | |
 Octopus Titan VCT plc | OTV2 | GB00B28V9347 | |
 Odyssean Investment Trust plc | OIT | GB00BFFK7H57 | |
| Okopa PLC | OKP | GB00BMY2T534 | |
 OLD Mutual Limited | OMU | ZAE000255360 | |
 ON THE Beach Group plc | OTB | GB00BYM1K758 | |
 Ondine Biomedical Inc. | OBI | CA68234M2058 | |
 Ondo Insurtech plc | ONDO | GB00BNVVGD77 | |
 One Health Group PLC | OHGR | GB00BNNT0595 | |
 ONE Media IP Group plc | OMIP | GB00B1DRDZ07 | |
 Onward Opportunities Limited | ONWD | GG00BMZR1514 | |
| Optibiotix Health plc | OPTI | GB00BP0RTP38 | |
 Optima Health PLC | OPT | GB00BRSCY602 | |
 Oracle Power plc | ORCP | GB00B23JN426 | |
 Orcadian Energy plc | ORCA | GB00BN0TY502 | |
 Orchard Funding Group plc | ORCH | GB00BYZFM569 | |
 Orient Telecoms plc | ORNT | GB00BYPHCZ29 | |
 Origin Enterprises plc | OGN | IE00B1WV4493 | |
 Oriole Resources plc | ORR | GB00B0T29327 | |
 Ormonde Mining plc | ORM | IE00BF0MZF04 | |
 Orosur Mining INC | OMI | CA6871961059 | |
 Oryx International Growth Fund Ltd | OIG | GG00B3BTVQ94 | |
 OSB Group plc | OSB | GB00BLDRH360 | |
 Oxford Biodynamics plc | OBD | GB00BD5H8572 | |
 Oxford Biomedica plc | OXB | GB00BDFBVT43 | |
 Oxford Instruments plc | OXIG | GB0006650450 | |
 Oxford Metrics plc | OMG | GB0030312788 | |
 Oxford Nanopore Technologies plc | ONT | GB00BP6S8Z30 | |
| Oxford Technology 2 Venture Capital Trust plc | OT1 | GB00BN73FM99 | |
| Oxford Technology 2 Venture Capital Trust plc | OT3 | GB00BN73FN07 | |
| Oxford Technology 2 Venture Capital Trust plc | OT4 | GB00BN73FP21 | |
| Oxford Technology 2 Venture Capital Trust plc | OXH | GB0003105052 | |
| Pacific Assets Trust plc | PAC | GB0006674385 | |
| Pacific Global Holdings plc | PCH | GB00BKXP5L71 | |
 Pacific Horizon Investment Trust plc | PHI | GB0006667470 | |
| Pacsco Limited | PACS | GG00BDG13C09 | |
 Palace Capital plc | PCA | GB00BF5SGF06 | |
 PAN African Resources plc | PAF | GB0004300496 | |
 Pantheon Infrastructure plc | PINT | GB00BLNNFL88 | |
 Pantheon International plc | PIN | GB00BP37WF17 | |
 Pantheon Resources plc | PANR | GB00B125SX82 | |
 Panther Metals plc | PALM | IM00BRF2WV49 | |
 Panther Securities PLC | PNS | GB0005132070 | |
 Panthera Resources plc | PAT | GB00BD2B4L05 | |
 Paragon Banking Group plc | PAG | GB00B2NGPM57 | |
 Parkmead Group The PLC | PMG | GB00BGCYZL73 | |
 Partners Group Private Equity Limited | PEY | GG00B28C2R28 | |
