Once the transaction closes, Getco will be the designated market maker for approximately 650 companies and a total of 850 securities at the NYSE.

Getco said the transaction will make it the second-largest NYSE-designated market-maker.

The acquisition expands Getco’s existing market-making services and responsibilities at the NYSE.

Getco global head of equities and client services Daniel Coleman said that NYSE has brought the floor model into the digital age by synthesizing best-in-class technology with the unique perspective of the individual market maker. NYSE’s high-tech, high-touch model is a strong fit for their approach to market making, and they are pleased to expand the services they offer to a wider range of investors and issuers.

Financial terms of the deal were not disclosed.