Smart Money Is Buying ABM Industries Inc. (ABM)
Monday, July 6, 2026 · Johnny Hopkins
According to the most recent reported 13F filings, institutional investors continued to show notable buying interest in ABM Industries Inc. (ABM), with several respected value investors, quantitative managers, and hedge funds increasing their positions during the quarter. The accumulation comes as ABM continues to benefit from its diversified facility services business, recurring revenue base, resilient cash flow generation, and long-term demand for integrated building maintenance, engineering, and infrastructure solutions.
Below are the most notable buyers from the latest reported quarter:
Rich Pzena
Shares: 1,522,936 Change: +351,407 Value: $0.06B
Rich Pzena’s firm recorded the largest increase among tracked investors, adding more than 351,000 shares during the quarter. The sizable purchase reflects Pzena’s deep value investing approach and suggests growing confidence that ABM remains undervalued relative to its earnings power and long-term cash flow potential.
Cliff Asness
Shares: 368,712 Change: +196,769 Value: $0.01B
AQR Capital Management significantly increased its ABM position during the quarter. The addition is consistent with Asness’ quantitative investment strategy, which favors companies exhibiting attractive valuation characteristics and strong factor-based fundamentals.
Alex Roepers
Shares: 220,000 Change: +20,000 Value: $0.01B
Atlantic Investment Management modestly increased its ABM stake during the quarter. The purchase reflects continued confidence in the company’s stable business model and its ability to generate recurring earnings across multiple end markets.
Ray Dalio
Shares: 32,749 Change: +13,038 Value: $0.00B
Bridgewater Associates added to its ABM holdings during the quarter. While relatively modest in size, the increase may reflect confidence in the company’s defensive characteristics and consistent cash generation.
Mario Gabelli
Shares: 15,998 Change: +2,007 Value: $0.00B
GAMCO Investors modestly increased its position in ABM. The addition aligns with Gabelli’s long-standing focus on industrial and infrastructure-related businesses trading at reasonable valuations.
Lee Ainslie
Shares: 23,998 New Position Value: $0.00B
Maverick Capital initiated a new position in ABM during the quarter. Although relatively small, the new investment suggests the firm sees an attractive risk-reward opportunity in the company’s long-term earnings outlook.
Joel Greenblatt
Shares: 15,098 New Position Value: $0.00B
Gotham Asset Management established a new position in ABM during the quarter. The purchase is consistent with Greenblatt’s quantitative value strategy, which targets companies trading at attractive valuations while generating solid returns on capital.
Overall Takeaway
Collectively, these filings highlight broad-based institutional accumulation of ABM Industries shares. The largest additions came from Pzena Investment Management, AQR Capital Management, and Atlantic Investment Management, while Maverick Capital and Gotham Asset Management both initiated new positions during the quarter.
The concentration of buying among value-oriented investors, quantitative firms, and hedge funds suggests continued confidence that ABM remains attractively valued relative to its long-term earnings and cash flow potential. With a diversified portfolio of recurring facility services, resilient free cash flow generation, and growing demand for integrated building solutions, ABM continues to attract meaningful institutional capital.