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Here are the TSX Block List LeadersTM for September 2007. Block trades are large trades with a volume of 10,000 shares or more and a value of $100,000 or more. The TSX Block List Leaders list shows the top ten brokers chosen by their customers to execute these significant block trades on Toronto Stock Exchange. The leaders are measured by volume and value of blocks traded.
| Block List Leaders by Volume | Block List Leaders by Value | |||||
| Broker Name | Total Volume | % Volume | Broker Name | Total Value | % Value | |
| GMP SECURITIES LIMITED | 595,188,084 | 12.71 | TD SECURITIES INC. | $10,547,087,694 | 12.58 | |
| RBC CAPITAL MARKETS | 455,607,700 | 9.73 | RBC CAPITAL MARKETS | $8,858,555,783 | 10.56 | |
| TD SECURITIES INC. | 451,152,200 | 9.64 | BMO NESBITT BURNS INC. | $8,053,603,285 | 9.60 | |
| BMO NESBITT BURNS INC. | 350,117,800 | 7.48 | CIBC WORLD MARKETS INC. | $6,761,186,699 | 8.06 | |
| CIBC WORLD MARKETS INC. | 302,320,100 | 6.46 | MERRILL LYNCH CANADA LTD. | $4,813,616,144 | 5.74 | |
| CANACCORD CAPITAL CORP. | 293,916,200 | 6.28 | SCOTIA CAPITAL INC. | $4,752,165,402 | 5.67 | |
| SCOTIA CAPITAL INC. | 215,935,622 | 4.61 | GMP SECURITIES LIMITED | $4,501,953,446 | 5.37 | |
| NATIONAL BANK FINANCIAL INC. | 208,936,376 | 4.46 | UBS SECURITIES CANADA INC. | $4,053,255,985 | 4.83 | |
| GENUITY CAPITAL MARKETS | 179,821,600 | 3.84 | FIMAT CANADA INC. | $3,992,685,223 | 4.76 | |
| CORMARK SECURITIES INC. | 165,237,800 | 3.53 | NATIONAL BANK FINANCIAL INC. | $3,858,995,935 | 4.60 | |
