| SMI | Semiconductor Manufacturing In | 50.01 | Technology | Stocks | NYQ |
| SLI | Standard Lithium Ltd. | 1.25 | Basic Materials | Stocks | ASE |
| NSI | National Security Emerging Mark | 25.09 | N/A | Stocks | NGM |
| SNY | Sanofi | 48.52 | Healthcare | Stocks | NMS |
| SNA | Snap-On Incorporated | 261.39 | Industrials | Stocks | NYQ |
| CNI | Canadian National Railway Compa | 118.13 | Industrials | Stocks | NYQ |
| SNV | Synovus Financial Corp. | 40.19 | Financial Services | Stocks | NYQ |
| NI | NiSource Inc | 28.81 | Utilities | Stocks | NYQ |
| SNX | TD SYNNEX Corporation | 115.40 | Technology | Stocks | NYQ |
| HNI | HNI Corporation | 45.02 | Industrials | Stocks | NYQ |
| SCI | Service Corporation Internation | 71.13 | Consumer Cyclical | Stocks | NYQ |
| SND | Smart Sand, Inc. | 2.11 | Energy | Stocks | NMS |
| SUI | Sun Communities, Inc. | 120.34 | Real Estate | Stocks | NYQ |
| STI | Solidion Technology, Inc. | 0.55 | Industrials | Stocks | NGM |
| SWI | SolarWinds Corporation | 12.05 | Technology | Stocks | NYQ |
| SXI | Standex International Corporati | 161.15 | Industrials | Stocks | NYQ |
| NNI | Nelnet, Inc. | 100.86 | Financial Services | Stocks | NYQ |
| SNTI | Senti Biosciences, Inc. | 0.28 | Healthcare | Stocks | NCM |
| SNN | Smith & Nephew SNATS, Inc. | 24.78 | Healthcare | Stocks | NYQ |
| SN | SharkNinja, Inc. | 75.15 | Consumer Cyclical | Stocks | NYQ |
| SPI | SPI Energy Co., Ltd. | 0.45 | Technology | Stocks | NCM |
| SCNI | Scinai Immunotherapeutics Ltd. | 2.78 | Healthcare | Stocks | NCM |
| SOI | Solaris Oilfield Infrastructure | 8.58 | Energy | Stocks | NYQ |
| SRI | Stoneridge, Inc. | 15.96 | Consumer Cyclical | Stocks | NYQ |
| SII | Sprott Inc. | 41.39 | Financial Services | Stocks | NYQ |