Longtail Re

Longtail Re, the casualty reinsurance underwriting vehicle operated by asset manager Stone Ridge, has delivered a 20% annualised return-on-equity (ROE) since its inception in 2020, while also building a more than $6 billion asset portfolio, according to CEO Ross Stevens.

Stone Ridge Asset Management, the New York based alternative risk premia focused investment manager, had another strong year for its reinsurance investment strategies and ventures in 2024, which CEO Ross Stevens describes in his latest investor letter while also explaining some of what makes the firm so interesting.