| QTTB | Q32 Bio Inc. | Healthcare | $274M | — | 0 |
| QCRH | QCR Holdings, Inc. | Financial Services | $1.7B | — | 0 |
| QDMI | QDM International Inc. | Financial Services | $75.1M | — | 0 |
| QADRU | QDRO Acquisition Corp. | — | — | — | 0 |
| QFNHF | Qfin Holdings, Inc. | — | — | — | 0 |
| USAQ | QHSLab, Inc. | Healthcare | $4.8M | — | 0 |
| QGEN | Qiagen N.V. | Healthcare | $9.2B | — | 0 |
| QNBC | QNB Corp. | Financial Services | $184M | — | 0 |
| Q | Qnity Electronics, Inc. | Technology | $25.6B | — | 0 |
| QRVO | Qorvo, Inc. | Technology | $10.3B | — | 0 |
| QSEP | QS Energy, Inc. | Energy | $56.1M | — | 0 |
| QTIWW | QT IMAGING HOLDINGS, INC. | — | — | — | 0 |
| QTEX | QTREX Quantum Ltd. | — | — | — | 0 |
| QUAD | Quad/Graphics, Inc. | Industrials | $477M | — | 0 |
| QNTO | Quaint Oak Bancorp, Inc. | Financial Services | $38.9M | — | 0 |
| KWR | Quaker Houghton | Basic Materials | $2.8B | — | 0 |
| QCOM | QUALCOMM Incorporated | Technology | $204B | — | 0 |
| QIND | Quality Industrial Corp. | Industrials | $1.0M | — | 0 |
| QLYS | Qualys, Inc. | Technology | $6.4B | — | 0 |
| NX | Quanex Building Products Corporation | Basic Materials | $885M | — | 0 |
| QNME | Quanome Technologies, Inc. | Industrials | $27.7M | — | 0 |
| PWR | Quanta Services, Inc. | Industrials | $96.7B | — | 0 |
| QTRX | Quanterix Corporation | Healthcare | $150M | — | 0 |
| QNT | Quantinuum Inc. Class A Common Stock | Technology | $13.0B | — | 0 |
| QNTM | Quantum BioPharma Ltd. | Healthcare | $25.6M | — | 0 |