Pioneer ILS Interval Fund is a non-diversified, closed-end management investment company. The fund invests primarily in insurance-linked securities. Insurance-linked securities may include event-linked bonds also known as insurance-linked bonds or catastrophe bonds, quota share instruments also known as insurance sidecars, collateralized reinsurance investments, industry loss warranties, event-linked swaps, securities of companies in the insurance or reinsurance industries, and other insurance- and reinsurance related securities. Pioneer Investment Management, Inc. is the fund’s investment adviser. The company was founded on July 15, 2014 and is headquartered Boston, MA.