| WORD | NAME | DESCRIPTION | |
| SANITARY | Consumer Non-Cyclicals | 50202040 - Sanitary and Personal Care Paper Products | Full Description |
| SANITIZE | Non-Energy Materials | 45102025 - Cleaning and Sanitizing Agent Products | Full Description |
| SATELLITEEQUIP | Technology | 55151530 - Satellite Equipment | Full Description |
| SATELLITEINTL | Telecommunications | 60101020 - International Satellite Services | Full Description |
| SATELLITESVCE | Telecommunications | 60101015 - Diversified Satellite Services | Full Description |
| SATELLITEUS | Telecommunications | 60101045 - United States Satellite Services | Full Description |
| SAU | Country IDs | Saudi Arabia | |
| SAVINGSLOAN | Finance | 30102015 - United States Savings Institutions | Full Description |
| SECURITIES | Finance | 30201025 - Securities Sales and Trading Services | Full Description |
| SECURITYEQUIP | Technology | 55151015 - Electronic Security Equipment | Full Description |
| SECURITYSVCE | Business Services | 10102015 - Security Services | Full Description |
| SEMIANALOG | Technology | 55102010 - Analog and Mixed Signal Semiconductors | Full Description |
| SEMIASIC | Technology | 55102035 - Programmable Logic and ASIC Semiconductors | Full Description |
| SEMIDISCRETE | Technology | 55102015 - Discrete Semiconductors | Full Description |
| SEMIEQUIPSVCE | Technology | 551030 - Semiconductor Equipment and Services | Full Description |
| SEMIGEN | Technology | 55102020 - General Semiconductors | Full Description |
| SEMIMEMORY | Technology | 55102025 - Memory Semiconductors | Full Description |
| SEMIMFR | Technology | 551020 - Semiconductor Manufacturing | Full Description |
| SEMIMFREQUIP | Technology | 55103010 - Semiconductor Manufacturing Capital Equipment | Full Description |
| SEMIMFRSVCE | Technology | 55103015 - Semiconductor Manufacturing Services | Full Description |
| SEMIPROCESSOR | Technology | 55102030 - Processor Semiconductors | Full Description |
| SEMISPECIAL | Technology | 55102040 - Specialized Semiconductors | Full Description |
| SGP | Country IDs | Singapore | |
| SHOES | Consumer Cyclicals | 20251025 - Footwear Retail | Full Description |
| SJM | Country IDs | Svalbard and Jan Mayen | |
| SKINCARE | Consumer Non-Cyclicals | 50202045 - Skin Care Products | Full Description |
| SmallCap | Universe IDs - Other USA | Small Cap | |
| SMR | Country IDs | San Marino | |
| SOFTW | Technology | 552015 - Software | Full Description |
| SOFTWDESIGN | Technology | 55201510 - Design and Engineering Software | Full Description |
| SOFTWDISTRIB | Technology | 552025 - Software Distribution Since 2022-07-30, previously SOFTWDISTRIB.XX1 | Full Description |
| SOFTWDISTRIB.XX1 | Technology | 55153020 - Software Distributors Discontinued 2022-07-30, replaced by SOFTWDISTRIB | Full Description |
| SOFTWENTERPRISE | Technology | 55201515 - Enterprise Management Software | Full Description |
| SOFTWGAMES | Technology | 55201520 - Games Software | Full Description |
| SOFTWGEN | Technology | 55201540 - General and Mixed-Type Software | Full Description |
| SOFTWHOMEOFFICE | Technology | 55201525 - Home and Office Software | Full Description |
| SOFTWINDSPECIFIC | Technology | 55201530 - Industry-Specific Software | Full Description |
| SOFTWINF | Technology | 55201535 - IT Infrastructure Software | Full Description |
| SOFTWTECH | Technology | 5520 - Software and Consulting | Full Description |
| SP1500 | Universe IDs - Major USA | iShares S&P1500 CompositeCap (IVV+IJH+IJR) | |
| SP400 | Universe IDs - Other USA | iShares S&P400 MidCap (IJH) | |
| SP500 | Universe IDs - Major USA | iShares S&P500 LargeCap (IVV) | |
| SP600 | Universe IDs - Other USA | iShares S&P600 SmallCap (IJR) | |
| SPM | Country IDs | St. Pierre and Miquelon | |
| SPORTINGGOODS | Consumer Cyclicals | 20101520 - Sporting and Athletic Goods | Full Description |
| SRB | Country IDs | Serbia | |
| STAPLESRETAIL | Consumer Non-Cyclicals | 5010 - Food and Staples Retail | Full Description |
| STOREDEPT | Consumer Non-Cyclicals | 50101510 - Department Stores | Full Description |
| STOREDISC | Consumer Non-Cyclicals | 50101515 - Discount Stores | Full Description |
| STOREFOOD | Consumer Non-Cyclicals | 50101010 - Beverage and Specialty Foods Stores | Full Description |
| STOREFURNITURE | Consumer Cyclicals | 20252015 - Furniture and Home Furnishings Stores | Full Description |
| SURGICAL | Healthcare | 35101520 - Surgical Biopharmaceuticals | Full Description |
| SVK | Country IDs | Slovakia | |
| SVN | Country IDs | Slovenia | |
| SWE | Country IDs | Sweden | |
| SWZ | Country IDs | Swaziland | |
| SYR | Country IDs | Syria | |
| SYSTEMSPECIFIC | Healthcare | 35201510 - System-Specific General Medical Devices | Full Description |