| QUEST DIAGNOSTICS DL-,01 (QDI) FRA - Deutsche Börse Frankfurt Stock Exchange | |
| QUANTA SVCS DL-,00001 (QAA) FRA - Deutsche Börse Frankfurt Stock Exchange | |
| QUANMAX AG INH. DIV.1/12 (GROJ) FRA - Deutsche Börse Frankfurt Stock Exchange | |
| QUANMAX AG INH. DIV.1/12 (GROJ) ETR - Deutsche Börse XETRA | |
| QUADRO RESOURCES LTD (G4O1) FRA - Deutsche Börse Frankfurt Stock Exchange | |
| QUADRO RESOURCES INC (QRO) CVE - Toronto TSX Ventures Exchange | |
| QUAKER CHEMICAL CORP. DL1 (QUC) FRA - Deutsche Börse Frankfurt Stock Exchange | |
| QUALCOMM DRN (QCOM34) BVMF - Bovespa Stock Exchange | |
| QUALCOMM INC (QCOM) BCBA - Buenos Aires Stock Exchange | |
| QUALCOMM INC. DL-,0001 (QCI) FRA - Deutsche Börse Frankfurt Stock Exchange | |
| QUALITY DISTRIBUTI.DL-,01 (QDZ) FRA - Deutsche Börse Frankfurt Stock Exchange | |
| Quality Software SA (QUSW3) BVMF - Bovespa Stock Exchange | |
| QUALITY SYST. INC. DL-,01 (QY1) FRA - Deutsche Börse Frankfurt Stock Exchange | |
| QUALSTAR CORP. (QST) FRA - Deutsche Börse Frankfurt Stock Exchange | |
| QUALYS INC. DL -,001 (3L7A) FRA - Deutsche Börse Frankfurt Stock Exchange | |