Quantitative-investment startup Pluribus Labs has begun managing money.For now, the San Francisco firm is running insider capital via a quant-equity portfolio that employs models developed by research chief Wachi Bandara. But Pluribus, led by former BlackRock executive Kenneth Kroner, plans to begin marketing a long-only vehicle later this year, followed by a so-called 130/30 offering and possibly a long/short equity vehicle — depending on...