Hedge funds re-evaluating their bets on the outcome of a Nasdaq proposed bid for the London Stock Exchange have emerged as net buyers.

Apart from the appearance of US billionaire Samuel Heyman’s company with the second-biggest stake in the LSE, several large US funds, such as Citadel and Mason Capital, the US based event-driven fund, as well as Cheyne Capital of the UK, have increased their stakes, according to regulatory filings on Tuesday.