| WBSN | Websense, Inc. | 24.94 | Stock | Business Services | NMS |
| WBMD | WebMD Health Corp. | 28.23 | Stock | Healthcare Information Services | NMS |
| WBS | Webster Financial Corp. | 23.33 | Stock | Regional - Northeast Banks | NYQ |
| WBK | Westpac Banking Corporation | 149.50 | Stock | Foreign Money Center Banks | NYQ |
| WBC.AX | Westpac Banking Corporation | 29.91 | Stock | Money Center Banks | ASX |
| WBXUE | Webxu, Inc. | NaN | Stock | Internet Information Providers | |
| WBC | WABCO Holdings Inc. | 75.38 | Stock | Auto Parts | NYQ |
| WBCO | Washington Banking Co. | 13.59 | Stock | Regional - Pacific Banks | NMS |
| WB.TO | WHISTLER BLACKCOMB HOLDINGS INC | 14.00 | Stock | | TOR |
| WBRRX | William Blair Income N | 9.44 | Mutual Fund | | NAS |
| WBABX | Waddell & Reed Bond B | 6.57 | Mutual Fund | | NAS |
| WBKC | Wolverine Bancorp, Inc. | 18.60 | Stock | Money Center Banks | NCM |
| WBIDX | WBI Absolute Return Dividend Gr No Load | 11.94 | Mutual Fund | | NAS |
| WBGIX | Wells Fargo Advantage WB Equity | 13.02 | Mutual Fund | | NAS |
| WBGBX | Wells Fargo Advantage WB Growth Balanced | 13.03 | Mutual Fund | | NAS |
| WBFFX | American Funds Capital World Bond F1 | 20.56 | Mutual Fund | | NAS |
| WBALX | Weitz Balanced | 13.88 | Mutual Fund | | NAS |
| WBAR.AX | WEBSTER RTS 25SEP | 0.05 | Stock | | ASX |
| WB2.BE | WABTEC | 75.00 | Stock | Railroads | BER |
| WBDGX | WBI Absolute Return Dividend Gr Instl | 11.98 | Mutual Fund | | NAS |