Jul 16, 2026 – 5.43pmIt’s that time of the year when investors eagerly await June 30 performance numbers from fund managers. But for those who invested in former Sunrise star David Koch-backed Ausbiz Capital’s GroWise fund, it is a nerve-racking time.That’s because a chart on its website tracking the indicative performance of a hypothetical investment in a fund that mirrors the strategy of GroWise, showed a 44 per cent decline in performance for the March quarter compared to the last quarter of 2025.Sarah Thompson has co-edited Street Talk since 2009, specialising in private equity, investment banking, M&A and equity capital markets stories. Prior to that, she spent 10 years in London as a markets and M&A reporter at Bloomberg and Dow Jones.Kanika Sood is a journalist based in Sydney who writes for the Street Talk column.Emma Rapaport is a co-editor of the Street Talk column. Prior to that, she was a markets reporter at The Australian Financial Review.Angira Bharadwaj is a co-editor of Street Talk. She covers IPOs, capital raises, mergers and acquisitions and other breaking news in Australia’s capital markets. Previously, she covered financial services, state, and federal politics. Send tips to @angirab.60 on encrypted messaging platform Signal.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber?
David Koch-backed fund promises sunnier times after shocker quarter
It’s been a tough quarter for the fund but CEO Simon van Es says the good times are coming.








