ABM INDUSTRIES INC (ABM) Stock Institutional Trading Activity


ABM INDUSTRIES INC (ABM) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q1 2026), investors with some of the largest reported share count changes include Hancock Classic Value, Atlantic Investment Management, Vulcan Value Partners, Olstein Capital Management, and Renaissance Technologies LLC. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Hancock Classic ValueBuy351,4071,522,936$58,663,495
Q4 2025Olstein Capital ManagementBuy2,389211,361$8,941
Q4 2025Vulcan Value PartnersSell-5,277658,777$27,866
Q4 2025Atlantic Investment ManagementBuy200,000200,000$8,460,000
Q4 2025Hancock Classic ValueBuy6,6871,171,529$49,555,677
Q3 2025Olstein Capital ManagementSell-3,000208,972$9,638
Q3 2025Vulcan Value PartnersSell-35,910664,054$30,626,184
Q3 2025Hancock Classic ValueBuy200,8991,164,842$53,722,513
Q2 2025Olstein Capital ManagementBuy15,972211,972$10,007
Q2 2025Renaissance Technologies LLCSell-11,40038,500$1,817,585
Q2 2025Vulcan Value PartnersSell-103,882699,964$33,045,309
Q2 2025Hancock Classic ValueBuy114,485963,943$45,507,749
Q1 2025Olstein Capital ManagementBuy179196,000$9,283
Q1 2025Renaissance Technologies LLCSell-130,40049,900$2,363,264
Q1 2025Vulcan Value PartnersSell-48,649803,846$38,070,165
Q1 2025Hancock Classic ValueSell-1,456849,458$40,230,331
Q4 2024Olstein Capital ManagementBuy6,821195,821$10,022
Q4 2024Renaissance Technologies LLCSell-4,000180,300$9,227,754
Q4 2024Hancock Classic ValueBuy156,450850,914$43,549,779
Q4 2024Vulcan Value PartnersSell-196,969852,495$43,630,679
Q3 2024Olstein Capital ManagementSell-100,953189,000$9,972
Q3 2024Renaissance Technologies LLCBuy165,800184,300$9,723,668
Q3 2024Hancock Classic ValueBuy278,575694,464$36,639,921
Q3 2024Vulcan Value PartnersSell-118,5841,049,464$55,369,695
Q2 2024Vulcan Value PartnersSell-237,1941,168,048$59,068
Q2 2024Hancock Classic ValueBuy415,889415,889$21,031,507
Q1 2024Renaissance Technologies LLCSell-69,60018,500$825
Q1 2024Olstein Capital ManagementBuy44,953289,953$12,938
Q1 2024Vulcan Value PartnersBuy39,3131,405,242$62,702
Q4 2023Renaissance Technologies LLCBuy31,60088,100$3,950

Frequently asked questions about ABM activity

  • Which institutional owners are buying ABM?

    Institutional owners buying ABM include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ABM activity?

    "Buy" means an investor increased their reported position in ABM compared to the prior reporting period. This reflects growing exposure to ABM INDUSTRIES INC (ABM) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ABM increasing?

    Institutional interest in ABM can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.