Skip to content

Vlad Portnoy, Portfolio Manager at Point72’s Cubist, Dies at 50

  • He had led a team of quants at Jefferies Financial Group
  • With Russia’s invasion of Ukraine, ‘he found his calling’

Vlad Portnoy, a portfolio manager at Point72 Asset Management, died Saturday morning of a sudden heart attack. He was 50, according to his wife, Irina Sheynfeld. 

Portnoy had led a team of quants at a Jefferies Financial Group Inc. hedge fund before joining billionaire Steve Cohen’s firm, where he worked for Cubist Systematic Strategies, the quantitative investing business.