LONDON, Aug 4 (Reuters) - (This Aug. 4 story has been refiled to remove reference to Marshall Wace, which was not specifically named by Goldman Sachs, in paragraph 4)

British hedge fund Marshall Wace returned mixed results in two of its funds in July, a source close to the matter told Reuters on Monday.

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Co-founded by British financier Paul Marshall, the $76.9 billion firm returned 1.6% in July culminating in a 6.1% performance for 2025 so far in its Eureka Fund, the source said.

The hedge fund's Market Neutral Tops fund returned -0.22% for July and is up 10.99% year to date the source added.

Systematic stock trading hedge funds are up roughly 10% for 2025 so far, Goldman Sachs said in a note to clients on Monday.

https://www.reuters.com/markets/europe/uk-hedge-fund-marshall-wace-posted-mixed-returns-july-source-says-2025-08-04/