Published by Global Banking & Finance Review®
Posted on October 16, 2025
2 min readLast updated: January 21, 2026
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Mammoth Brands acquires premium diaper maker Coterie in a deal exceeding $1 billion, aiming to expand and redefine the baby care market.
By Abigail Summerville
(Reuters) -Consumer goods company Mammoth Brands announced on Thursday that it will buy premium baby care brand Coterie, which counts models and entrepreneurs Karlie Kloss and Ashley Graham as investors.
The deal could value Coterie at over $1 billion, subject to earnouts based on the company hitting certain financial targets, according to people familiar with the matter. Reuters reported in August that Mammoth was in talks to buy Coterie, which was up for sale with investment bank Raymond James.
Launched in 2019 by Frank Yu, Coterie is known for its high-quality, hypoallergenic and cruelty-free diapers, which are primarily sold online. Privately held Mammoth has a growing portfolio of brands including men’s razor company Harry’s and women’s body care brand Flamingo.
"By combining Coterie's beloved brand and products with Mammoth Brands' capabilities and infrastructure, we’re partnering to redefine the diaper category and accelerate Coterie’s growth to be the leading modern baby care brand," Andy Katz-Mayfield, co-founder and co-CEO of Mammoth Brands, said in a statement.
Coterie's net revenue surpassed $200 million in the last twelve months, up nearly 60% year-over-year, according to the announcement. Mammoth plans to scale the business and expand to adjacent product categories. It paid for the brand with a mix of cash and stock, sources said.
Coterie's executive team will remain with the company, and the transaction is expected to close by the end of 2025.
Goldman Sachs, Wells Fargo, and JPMorgan served as financial advisors to Mammoth Brands, with Latham & Watkins as legal counsel. Cooley acted as legal counsel to Coterie.
(Reporting by Abigail Summerville in New York; Editing by Nia Williams)
An acquisition is a corporate action in which one company purchases most or all of another company's shares to gain control of that company.
Financial advisors are professionals who provide guidance on financial planning, investments, and wealth management to help clients achieve their financial goals.
Consumer goods are products that are purchased for personal use by the general public, including items like food, clothing, and household products.
A merger is a business transaction where two companies combine to form a new entity, often to enhance their competitive position in the market.
Valuation is the process of determining the current worth of an asset or a company, often used in mergers and acquisitions to assess fair market value.
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