Mammoth Mountain Fund I, a Series of Embedding Opportunity Funds, LLC (CIK 0002156306) filed Form D

Mammoth Mountain Fund I, a series of Embedding Opportunity Funds, LLC, filed a Form D with the SEC on September 22, 2026, disclosing a private fundraise. The filing indicates the entity is raising capital under Regulation D, which governs exempt offerings by private funds and investment vehicles.

The fund structure shows Mammoth Mountain Fund I operating as part of a series arrangement within Embedding Opportunity Funds, LLC. This structure allows the parent entity to manage multiple funds under a single legal umbrella while maintaining separate accounting and investor bases for each series. The Form D filing itself provides limited detail on the specific raise size, investor terms, or deployment strategy—such information typically remains confidential in private fundraises unless the issuer chooses to disclose it publicly.

Embedding Opportunity Funds appears to operate in the private investment space, with this filing marking an early disclosure of the fund's capital-raising activity. The series structure is commonly used by fund managers seeking to compartmentalize investments across different strategies, geographies, or investor cohorts while centralizing back-office and governance operations. Without additional public statements or announcements from the fund, the specific thesis, target check size, or sector focus remains undisclosed.