John Hempton

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John Hempton is an Australian investor. He is the founder, co-owner and CIO of Bronte Capital Management Pty Ltd, a hedge fund management company.[1]


Hempton was educated at Sydney Boys High School and received a Bachelor in Economics from Adelaide University in 1991.[2] He later worked at the Australian Treasury until 1997 mostly on tax policy[3] and analysing accounts to investigate company tax avoidance.[4] He then worked for the ANZ Bank in strategic planning through 1997. Between 1998 and 1999 Hempton was the Chief Analyst of Tax Policies in New Zealand Treasury,[3] In 1999 he joined Platinum Asset Management which was started by billionaire Kerr Neilson.[4]

Hempton was the Head of Financials at Platinum Asset Management and the youngest partner at the firm.[1] The company listed in on the Australian Stock Exchange in 2007.[5] Hempton retired at age 39[4] but later founded Bronte Capital in 2009.[1] The company manages over US$1 Billion dollars for investors including the former Australian Prime Minister Malcolm Turnbull.[4]


He repeatedly warned investors of problems at Valeant Pharmaceuticals between 2014 and 2017, including billionaire investors and traders such as Bill Ackman and Bill Miller, prior to its share price collapsing. Hempton made US$5 million profit on short selling Valeant stock.[6]

Hempton appeared as himself in the Netflix series Dirty Money in the episode Drug Short.[7][8]


Hempton's conflict with Ackman is not confined to Valeant. Ackman announced as US$1 billion short on Herbalife in late 2012 claiming that the company was a pyramid scheme preying on low income earners. Although mid-2013 Hempton appeared on CNBC stating that Herbalife were “scumbags” but that he was still investing in them.[9] Hempton has since researched the company further and continued to invest in it while viewing it as highly ethical.[4] In 2018 Ackman exited his near billion-dollar investment position against Herbalife after the company's stock price continued to rise.[10]


  1. ^ a b c "Our Team". Bronte Capital. Retrieved 8 February 2018.
  2. ^ "The case for a broad-based consumption tax". WorldCat. Retrieved 8 February 2018.
  3. ^ a b "John Hempton". Bloomberg. Retrieved 8 February 2018.
  4. ^ a b c d e Tom Redmond, Adam Haigh and Bei Hu (14 July 2016). "John Hempton, the Aussie fraud-hunting short seller taunting billionaire investor Bill Ackman". Sydney Morning Herald. Fairfax Media. Retrieved 8 February 2018.
  5. ^ "Platinum Asset Management Limited Shareholder Information (ASX code: PTM)". Platinum Asset Management. Retrieved 8 February 2018.
  6. ^ "Aussie John Hempton beat Wall Street royalty on Valeant". Financial Review. Fairfax Media. 16 March 2017. Retrieved 8 February 2018.
  7. ^ "Dirty Money (TV Series) Drug Short (2018) Full Cast & Crew". IMDb. Retrieved 26 October 2019.
  8. ^ "Hacked Printers. Fake Emails. Questionable Friends. Fahmi Quadir Was Up 24% Last Year, But It Came at a Price". Institutional Investor. Retrieved 26 October 2019.
  9. ^ "Hempton: Shortseller Went Long Herbalife". CNBC. 4 January 2013. Retrieved 5 December 2018.
  10. ^ "Bill Ackman Surrenders in his Five-year War Against Herbalife". Wall Street Journal. 28 February 2018. Retrieved 28 February 2018.