There's a split internally at $65 billion Marshall Wace. The 27-year-old London-based hedge fund, founded by Paul Marshall and Ian Wace, has prided itself on its collaborative culture. Multi-strategy mightThe culture shift at Marshall Wace is just the latest ripple effect to come from the vast expansion of power, assets, and clout of the largest multi-strategy hedge funds. For Marshall Wace, that looks like a charge that can be up to 0.75% of the $22.4 billion Eureka fund's value — more than $150 million — on top of the set management fees and variable performance fees the firm already charges. A person close to the firm said that certain people still have access to aggregated positions, but the restriction helps Marshall Wace manage "complexity and confidentiality" as the manager continues to grow.

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Persons: Marshall Wace, Paul Marshall, Ian Wace, Marshall, George Soros, It's, Marshall Wace's, You've, Dan Schatz, Ruchit, Jaime Brandwood, Derek Rosenthal, Marshall's Organizations: Business, BNP, Eureka, Citadel, Ruchit Puri Locations: London, Citadel, New York, Singapore, Shanghai, Hong Kong, Eureka