Nomura Holdings will acquire global agency broker Instinet from private equity firm Silver Lake Partners, according to an Instinet news release. Terms were not disclosed. The deal is subject to regulatory approvals and is expected to go through in the first quarter of 2007. Instinet will be operated as a wholly owned subsidiary, and senior management, including CEO Edward J. Nicoll, will continue to run the firm. said Hiromasa Yamazaki, senior managing director of Nomura Securities. "The firms complement each other remarkably well, and we fully expect both of our client bases to benefit greatly," said Mr. Yamazaki.