Who Owns Fontainebleau Development?
Updated onExplore the ownership hierarchy of Fontainebleau Development. See parent companies, holding structures, and ultimate controllers.
Ownership Chain
Fontainebleau Development
Fontainebleau Development is a privately held, vertically integrated real estate development and hospitality group that designs, builds, owns, and operates large-scale luxury residential, commercial, and entertainment properties.
Koch, Inc.
Koch, Inc. is a large privately held American multinational conglomerate based in Wichita, Kansas, whose diverse subsidiaries operate in industries such as energy, chemicals, materials, and manufacturing worldwide.
Fontainebleau Development
Fontainebleau Development is a privately held, vertically integrated real estate development and hospitality group that designs, builds, owns, and operates large-scale luxury residential, commercial, and entertainment properties.
Koch, Inc.
Koch, Inc. is a large privately held American multinational conglomerate based in Wichita, Kansas, whose diverse subsidiaries operate in industries such as energy, chemicals, materials, and manufacturing worldwide.
Major Shareholders
Fontainebleau Development
Major Shareholders
| Name | Type | Ownership | As of |
|---|---|---|---|
Jeffrey Soffer Founder, Chairman & CEO of Fontainebleau Development; listed as the sole manager and authorized person for Fontainebleau Development LLC in Florida Division of Corporations filings, and widely described in press as the owner of the family‑owned Fontainebleau Development real estate and hospitality group. | Individual | — | Apr 2025 |
Brett Mufson President and described as a “partner” of Fontainebleau Development in the company’s own leadership bios and external profiles, indicating a significant equity stake alongside Jeffrey Soffer. | Individual | — | Jan 2023 |
Koch, Inc.
Major Shareholders
| Name | Type | Ownership | Voting | As of |
|---|---|---|---|---|
Charles G. Koch Chairman and co‑CEO of Koch, Inc.; widely reported to control 42% of the company’s voting shares. Between 2020 and 2022 he transferred about $5.3 billion of Koch, Inc. nonvoting stock to 501(c)(4) nonprofits Believe in People and CCKC4, which reduced his economic stake but left his reported voting power at 42%. | Individual | — | 42.0% | Dec 2025 |
Julia Koch & family (heirs of David Koch) David Koch’s widow Julia Koch and their three children inherited his 42% stake in Koch, Inc. and are generally treated as a single 42% ownership bloc in public reporting. | Family | 42.0% | 42.0% | Dec 2025 |
Trusts for benefit of Elaine Tettemer Marshall, Preston Marshall & E. Pierce Marshall Jr. Family trusts benefiting Elaine Tettemer Marshall (a Koch board member) and her sons Preston Marshall and E. Pierce Marshall Jr. are widely reported to hold a 16% beneficial interest in Koch, Inc. | Family | 16.0% | 16.0% | Oct 2025 |
Believe in People, Inc. 501(c)(4) nonprofit that received approximately $4.3 billion in Koch, Inc. nonvoting stock from Charles Koch as part of a broader $5.3 billion transfer of nonvoting shares to two nonprofits. Based on Forbes’ estimate that these transfers equal nearly one‑tenth of his prior 42% stake, this implies (by inference) that Believe in People and CCKC4 together hold nonvoting shares representing roughly 4% of Koch, Inc., but exact percentages are not disclosed. | Institutional | — | 0.0% | Oct 2023 |
CCKC4 (501(c)(4) nonprofit) Koch‑controlled 501(c)(4) nonprofit that, along with Believe in People, received nonvoting Koch, Inc. stock from Charles Koch. Public reporting indicates transfers valued at roughly $1 billion or more of stock to CCKC4 over several years; together with Believe in People, these entities are estimated to hold nonvoting shares equal to about 10% of Koch’s original 42% stake, but their exact ownership percentages are not publicly reported. | Institutional | — | 0.0% | Oct 2023 |
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