$BMB · Bamboo Insurance Services, Inc.
Bamboo Insurance Services, Inc. filed Amendment No. 1 to its S-1 registration for an IPO of 35,000,000 shares of Class A common stock at an estimated $18.00–$20.00 per share, implying a total offering size of $630 million to $700 million. This is a pure secondary offering — all shares are sold by existing stockholders and the company receives no proceeds. The company will list on the NYSE under ticker "BMB" using an Up-C structure, with CVC Funds and White Mountains retaining approximately 61% of post-IPO voting power through Class B shares.
- 35,000,000 shares of Class A common stock offered by selling stockholders at an estimated $18.00–$20.00 per share.
- Bamboo Insurance Services will receive no proceeds; all shares are being sold by existing stockholders.
- Post-IPO, CVC Funds and White Mountains will hold ~61% of voting power (~58% if over-allotment is exercised).
- Up-C structure with Tax Receivable Agreement requiring cash payments to Continuing Equity Owners for certain tax benefits.
- Company expects to qualify as a NYSE 'controlled company,' opting out of certain corporate governance requirements.
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A PE-backed insurtech MGU going public via a no-proceeds secondary offering with controlled-company governance signals a liquidity event for sponsors rather than a capital raise for the business.
The Up-C structure mirrors recent PE-backed insurance distribution IPOs (e.g., Ryan Specialty, BRP Group), designed to preserve tax benefits for pre-IPO owners while creating a public currency for future M&A.
Controlled-company status allows Bamboo to bypass NYSE governance rules including independent board requirements. The Tax Receivable Agreement could materially affect liquidity with significant cash payment obligations. Dual-class structure concentrates 61% voting power with CVC Funds and WhiteMount
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