Who Owns ABM?
Updated onUse this page to find the ABM owner and explore the full ownership hierarchy. See the owner of ABM, the parent company, holding structures, and ultimate controllers.
ABM is a U.S.-based provider of integrated facility, engineering, and infrastructure services—offering cleaning and maintenance, HVAC and mechanical, energy & sustainability, parking & transportation, and mission-critical facility solutions to commercial, institutional, industrial and government clients.
ABM appears to be independent with no parent company.
ABM is a U.S.-based provider of integrated facility, engineering, and infrastructure services—offering cleaning and maintenance, HVAC and mechanical, energy & sustainability, parking & transportation, and mission-critical facility solutions to commercial, institutional, industrial and government clients.
ABM appears to be independent with no parent company.
Major Shareholders
ABM
Major Shareholders
| Name | Type | Ownership | As of |
|---|---|---|---|
BlackRock, Inc. Beneficial owner of 9,061,291 shares (reported on ABM proxy; based on BlackRock Schedule 13G/A filed July 17, 2025). | Institutional | 15.5% | Feb 2026 |
The Vanguard Group, Inc. Beneficial owner of 8,043,485 shares (reported on ABM proxy; Vanguard Schedule 13G/A referenced). | Institutional | 13.7% | Feb 2026 |
Dimensional Fund Advisors LP Beneficial owner of 4,020,125 shares (reported on ABM proxy; Dimensional Schedule 13G/A filed October 9, 2025). | Institutional | 6.9% | Feb 2026 |
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