Johannesburg-based Obsidian Capital, headed by Royce Long and Richard Simpson, has achieved a convincing track record with its hedge funds, which have materially outperformed the market, their peers and their long-only mandates over time. Its longest-running fund, the Obsidian Sanlam Collective Investments Multi Asset Retail Hedge Fund, has gained a net annualised 11.39% in the 14 years since inception in October 2007, including a net 19.35% this year to the end of October…