 Serbia (Republic of)Bond | 61LR | XS2388562139 | |
| Serco Group PLC | SRP | GB0007973794 | |
 Serica Energy PLC | SQZ | GB00B0CY5V57 | |
 Serval Resources plc | SRVL | GB00BVRY1W08 | |
 Severfield PLC | SFR | GB00B27YGJ97 | |
 Severn Trent PLC | SVT | GB00B1FH8J72 | |
 Severn Trent Utilities Finance PLCBond | 90NI | XS0316093722 | |
| SG IssuerBond | SL08 | GB00BPYCL478 | |
| Shaftesbury Capital PLC | SHC | GB00B62G9D36 | |
| Shanghai Pudong Development Bank CoBond | YD49 | XS3084281172 | |
 Shawbrook Group PLC | SHAW | GB00BV9DPV21 | |
 Shearwater Group PLC | SWG | GB00BKT6VH21 | |
 Shefa Gems Ltd | SEFA | IL0011101057 | |
 Shell PLC | SHEL | GB00BP6MXD84 | |
 Sherborne Investors (guernsey) C Limited | SIGC | GG00BZ3C3B94 | |
| Shield Therapeutics PLC | STX | GB00BYV81293 | |
 Shoe Zone PLC | SHOE | GB00BLTVCF91 | |
 Shuka Minerals PLC | SKA | GB00BN47NP32 | |
 SIG PLC | SHI | GB0008025412 | |
 Sigmaroc PLC | SRC | GB00BYX5K988 | |
 Silver Bullet Data Services Group PLC | SBDS | GB00BNXM0Z89 | |
 Sintana Energy IncCOM SHS NPV (DI) | SEI | CA82938H1073 | |
 Sirius Real Estate Limited | SRE | GG00B1W3VF54 | |
 Skillcast Group PLC | SKL | GB00BNLXS042 | |
 Skinbiotherapeutics PLC | SBTX | GB00BF33H870 | |
 Skipton Building SocietySP | SG52 | XS2705072986 | |
 Sky LimitedBond | 50NC | XS0301676861 | |
 Smart (J.) Co. (contractors) PLC | SMJ | GB00B76BK617 | |
 Smith Nephew PLC | SN. | GB0009223206 | |
 Smiths Group PLC | SMIN | GB00B1WY2338 | |
| Smiths News PLC | SNWS | GB00B17WCR61 | |
| Societatea Energetica Electrica SAGDR | ELSA | US83367Y2072 | |
 Softcat PLC | SCT | GB00BYZDVK82 | |
 Software Circle PLC | SFT | GB0009638130 | |
 Solid State PLC | SOLI | GB0008237132 | |
 Solvonis Therapeutics PLC | SVNS | GB00BMD1Z199 | |
 Somero Enterprise IncCOM STK USD0.001 (DI) | SOM | USU834501038 | |
 Sosandar PLC | SOS | GB00BDGS8G04 | |
 Sound Energy PLC | SOU | GB00BVP8H932 | |
 South East Water LimitedBond | 53HO | GB0005887889 | |
 South32 Limited | S32 | AU000000S320 | |
 Southern Energy Corp.SHS NPV (DI) | SOUC | CA8428133059 | |
 Southern Gas Networks PLCBond | 34GO | XS0362679176 | |
 Southern HousingBond | 55WI | XS1893609161 | |
 Sovereign Metals Limited | SVML | AU000000SVM6 | |
 Sovereign Network GroupBond | BN73 | XS2741328681 | |
 Spaceandpeople PLC | SAL | GB00BPQDJM21 | |
 Spectra Systems CorporationCOM SHS USD0.01 (DI/REGS) | SPSC | USU8457D1091 | |
 Speedy Hire PLC | SDY | GB0000163088 | |
 Spirax Group PLC | SPX | GB00BWFGQN14 | |
 Spire Healthcare Group PLC | SPI | GB00BNLPYF73 | |
 Spiritus Mundi PLC | SPMU | GB00BMHR3L94 | |
 Springfield Properties PLC | SPR | GB00BF1QPG26 | |
| Sri Lanka (G.D.S. Republic of)Bond | YV30 | XS2966242765 | |
| Srpska (Republic of)Bond | XI80 | XS3327024322 | |
 SRT Marine Systems PLC | SRT | GB00B0M8KM36 | |
 SSE PLC | SSE | GB0007908733 | |
 SSP Group PLC | SSPG | GB00BGBN7C04 | |
 ST. James's Place PLC | STJ | GB0007669376 | |
| Stadshypotek AB (publ)SP | 11XV | XS0703602259 | |
 Staffline Group PLC | STAF | GB00B040L800 | |
 Standard Chartered BankBond | 51OX | QQ0003494242 | |
 Standard Chartered PLC | STAN | GB0004082847 | |
 Standard Life PLC | SDLF | GB00BGXQNP29 | |
 Star Energy Group plc | STAR | GB00BZ042C28 | |
| State Bank of IndiaGDR | SBID | US8565522039 | |
 Statnett SFBond | 93RX | XS1706200463 | |
 Stelrad Group PLC | SRAD | GB00BMHRMV23 | |
 Steppe Cement Ltd | STCM | MYA004433001 | |
 SThree PLC | STEM | GB00B0KM9T71 | |
 Stonewater Funding PLCSP | 14MD | XS0830525621 | |
 Strategic Equity Capital PLC | SEC | GB00B0BDCB21 | |
 Strategic Minerals PLC | SML | GB00B4W8PD74 | |
 Strip Tinning Holdings PLC | STG | GB00BMHN9M05 | |
 Strix Group plc | KETL | IM00BF0FMG91 | |
 STS Global Income Growth Trust PLCRED ORDS 1P | STS | GB00B09G3N23 | |
 STV Group PLC | STVG | GB00B3CX3644 | |
 Sunda Energy PLC | SNDA | GB00BSHSGY88 | |
 Sundae Bar PLC | SBAR | GB00BRXKJ754 | |
| Sunderland (SHG) Finance PLCSP | 71QG | XS0130574600 | |
 Sunrise Resources plc | SRES | GB00B075Z681 | |
 Supermarket Income REIT PLC | SUPR | GB00BF345X11 | |
 Supply@me Capital PLC | SYME | GB00BFMDJC60 | |
 Supreme PLC | SUP | GB00BDT89C08 | |
 Sure Ventures PLC | SURE | GB00BYWYZ460 | |
 Surgical Innovations Group PLC | SUN | GB0004016704 | |
 Surgical Science Sweden AB | 0AAU | SE0014428512 | |
 Sutton Harbour Group PLC | SUH | GB0008659202 | |
 SW (Finance) I PLCBond | BU33 | XS2772125790 | |
 Swedbank ABBond | 81BO | XS0188779028 | |
| Swedbank Mortgage AB (Publ)SP | 19UE | XS0876113704 | |
 Switch Metals PLC | SWT | GB00BNRR5980 | |
 Sylvania Platinum LimitedCMN SHS USD0.01 (DI) | SLP | BMG864081044 | |
 Symphony Environmental Technologies PLC | SYM | GB0009589168 | |
| Symphony International Holdings Limited | SIHL | VGG548121059 | |
 Syncona Limited | SYNC | GG00B8P59C08 | |
 Synectics PLC | SNX | GB0007156838 | |
 Synergia Energy Ltd | SYN | AU0000233538 | |
 Synthomer PLC | SYNT | GB00BNTVWJ75 | |
 Sysgroup PLC | SYS | GB00BYT18182 | |
