Who Owns The RMR Group?
Updated onExplore the ownership hierarchy of The RMR Group. See parent companies, holding structures, and ultimate controllers.
Ownership Chain
The RMR Group
The RMR Group is a U.S.-based public alternative asset management company focused on commercial real estate and related businesses.
The RMR Group appears to be independent with no known parent company.
The RMR Group
The RMR Group is a U.S.-based public alternative asset management company focused on commercial real estate and related businesses.
The RMR Group appears to be independent with no known parent company.
Major Shareholders
The RMR Group
Major Shareholders
| Name | Type | Ownership | Voting | As of |
|---|---|---|---|---|
ABP Trust Portnoy family statutory trust; public disclosures and independent analysis indicate ABP Trust owns roughly 51–52% of The RMR Group’s common equity and about 92% of total voting power via its holdings of Class A, Class B‑1, Class B‑2 shares and RMR LLC units. ABP Trust is controlled by CEO Adam D. Portnoy. | Family | 51.5% | 92.0% | Oct 2019 |
The Vanguard Group, Inc. Largest institutional holder of RMR’s publicly traded Class A shares, with about 1.6 million shares (~5% of total shares outstanding) according to 2025 ownership summaries. | Institutional | 5.0% | — | — |
BlackRock, Inc. Second‑largest institutional shareholder, reported to hold roughly 1.5 million RMR shares (just under 5% of total outstanding) based on recent institutional ownership data. | Institutional | 4.7% | — | — |
Nantahala Capital Management, LLC Activist/hedge‑fund style institutional investor holding approximately 1.15 million RMR shares, or around 3.5–3.6% of the company. | Institutional | 3.6% | — | — |
Hotchkis & Wiley Capital Management LLC Value‑oriented asset manager; filings show ownership of roughly 0.74 million RMR shares, equating to about 2.3% of shares outstanding. | Institutional | 2.3% | — | — |
Federated Hermes, Inc. Through various Federated Hermes funds, reported to own just over 0.5 million RMR shares, around 1.6% of the company. | Institutional | 1.6% | — | — |
Renaissance Technologies LLC Quantitative hedge fund manager; recent holdings show about 0.48–0.58 million RMR shares, or roughly 1.5% of outstanding shares. | Institutional | 1.5% | — | — |
Geode Capital Management, LLC Index‑oriented manager affiliated with Fidelity; disclosed stake of roughly 0.46 million RMR shares (~1.4% of the company). | Institutional | 1.4% | — | — |
State Street Corporation Large custody bank and index manager; holds approximately 0.38–0.40 million RMR shares, translating to about 1.2% ownership. | Institutional | 1.2% | — | — |
Garner Asset Management Corp. Smaller institutional investor in RMR with roughly 0.37–0.38 million shares, or about 1.2% of shares outstanding, per recent shareholder listings. | Institutional | 1.2% | — | — |
Morgan Stanley Global investment bank and asset manager; reported stake of about 0.38 million RMR shares, or slightly over 1% of the company. | Institutional | 1.2% | — | — |
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