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Raises

Longtail Insurance Holdings Ltd. raised $416.2 million in its first filing

Longtail Insurance Holdings Ltd. raised $416.2 million in its first SEC filing on September 30, 2026. The company reported the first sale occurred on September 15, 2026. This filing represents an estimated Series D+ round.

The company was incorporated in 2023. The latest filing names Benjamin Lawsky, Michael Sapnar, David Heller, Richard Taylor, Yan Zhao, and Ted Mathas as directors. Stone Ridge Holdings Group LP is listed as a promoter.

Rounds are estimates. We do not track its open roles yet.

Every Form D filing

First saleAmount soldEst. round
2026-09-15$416.2MSeries D+

Named in the latest filing

From SEC Form D filings. Rounds are our estimate from the amount sold; filings carry no valuation. All filings on SEC EDGAR