The co-owner of Heinz, Brazilian investment firm 3G Capital, is reportedly weighing up the acquisition of another major food company.

According to a report in The Wall Street Journal, citing people familiar with the matter, executives at 3G is discussing the possibility of buying a food or beverage firm such as Campbell Soup Co. or PepsiCo. 

A spokesperson for Campbell refused to comment on the matter adding: "We don't comment on rumour and speculation." Similarly, PepsiCo declined to comment.

No one at 3G was available to comment when approached by just-food. In February 2013, 3G, alongside Warren Buffett's Berkshire Hathaway investment fund, acquired Heinz for US$28m, the biggest takeover in food industry history.

Pre-market shares in Campbell were up 1.73% to US$43.04 per share and in PepsiCo, were up 2.07% to US$94.95 per share.

Click here for our M&A Watch column in which Stefan Kirk discusses which food companies could be on 3G's radar.