The UK exported 240 tonnes of gold to Switzerland in May alone, while its exports over the first half of this year totalled 797 tonnes, Macquarie said in a note.
In contrast, Britain exported just 92 tonnes of bullion to Switzerland in the whole of last year, it said.
“The UK does not have gold mines, so where has it all come from? The obvious source is the gold exchange-traded funds (ETFs), most of which hold their gold holdings in London vaults, and which saw huge outflows in 1H 2013,” Macquarie said.
“And why is it going to Switzerland?’Two explanations make sense. One would be that investors have decided to switch their gold investments from ETFs to allocated deposit accounts, which are often held in Switzerland.” It added: “But a bigger factor, we think, is that the gold bars from ETFs have gone to Switzerland, where most of the world’s gold refining capacity is, to be remelted into different size bars and coins and then sold on.”