It was one of the earliest European hedge funds with a peak of $21 billion in assets under management (AUM) in 2015.

[1] In 2011, Lansdowne's UK equities fund lost 20.1% due to its long positions on the financial sector.

[1][5] In September 2013, Lansdowne appointed Alex Snow as CEO and he brought on a team of new employees to launch an energy fund.

As a result, the plan never materialized and Rodden left in September 2018 citing frustrations at the failed attempt to diversify the firm.

Reasons including underestimating the impact of Brexit and a $326 million loss after it bet against Glencore when its share price rebounded.

In the first 6 months of 2020, the fund lost 23% due to its long positions on Airline stocks which were affected by the COVID-19 pandemic.