Instinet Blockcross ATS
Product brand
UnclaimedBlockCross is an Instinet crossing venue that helps clients capture block liquidity efficiently and consistently.
Last updated September 16, 2026
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Overview
Instinet Blockcross ATS is a crossing venue offered within Instinet's Liquidity & Crossing business. Instinet describes itself as an agency-model broker, electronic trading resource, and technology provider, and states that it sources and aggregates diverse global liquidity and provides crossing platforms that help clients capture block liquidity efficiently and consistently. Instinet operates as part of the Nomura Group.
History
Instinet traces its origins to 1969, when the Instinet Communication System, described by the company as the market's first ECN, went live. The company states that in 1986 it launched the first point-in-time cross in the US. BlockCross is presented within Instinet's Liquidity & Crossing offering, which the company says provides crossing platforms that help clients capture block liquidity efficiently and consistently.
Products and positioning
A crossing platform within Instinet's Liquidity & Crossing offering, positioned around timely access to high-quality liquidity and efficient block capture.
BlockCross
A crossing solution listed under Instinet's Liquidity & Crossing offering.
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