Renaissance Reinsurance Ltd. announced the formation of Fibonacci Reinsurance Ltd., a Special Purpose Insurer domiciled in Bermuda. Fibonacci Re was formed to provide collateralized capacity to Renaissance Reinsurance, the principal Bermuda-based reinsurance subsidiary of RenaissanceRe Holdings Ltd. Fibonacci Re, which has raised $140 million of capital from third party investors and RenaissanceRe Medici Fund Ltd., has issued participating notes which will be listed on the Bermuda Stock Exchange.