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
Q4 2023Olstein Capital ManagementSell-27,000245,000$10,983
Q4 2023Vulcan Value PartnersSell-320,4781,365,929$61,235
Q3 2023Olstein Capital ManagementBuy6,000272,000$10,883
Q3 2023Vulcan Value PartnersBuy410,9331,686,407$67,473
Q2 2023Renaissance Technologies LLCSell-20056,500$2,410
Q2 2023Olstein Capital ManagementBuy41,000266,000$11,345
Q2 2023Vulcan Value PartnersSell-62,4851,275,474$54,399
Q1 2023Renaissance Technologies LLCBuy44,50056,700$2,548
Q1 2023Olstein Capital ManagementBuy10,000225,000$10,112
Q1 2023Vulcan Value PartnersBuy141,2761,337,959$60,128
Q4 2022Olstein Capital ManagementBuy7,000215,000$9,550
Q4 2022Vulcan Value PartnersSell-122,8551,196,683$53,157
Q3 2022Olstein Capital ManagementBuy43,147208,000$7,952
Q3 2022Vulcan Value PartnersSell-67,5091,319,538$50,446
Q2 2022Olstein Capital ManagementBuy33,853164,853$7,158
Q2 2022Vulcan Value PartnersBuy65,6171,387,047$60,226
Q1 2022Olstein Capital ManagementSell-110,000131,000$6,031
Q1 2022Vulcan Value PartnersSell-296,9261,321,430$60,839
Q4 2021Renaissance Technologies LLCSell-51,70012,200$498
Q4 2021Vulcan Value PartnersSell-81,6321,618,356$66,110
Q3 2021Renaissance Technologies LLCSell-277,90063,900$2,876
Q3 2021Vulcan Value PartnersBuy275,4241,699,988$76,516
Q2 2021Renaissance Technologies LLCBuy23,000341,800$15,159
Q2 2021Vulcan Value PartnersBuy2,7731,424,564$63,179
Q1 2021Renaissance Technologies LLCBuy52,321318,800$16,262
Q1 2021Vulcan Value PartnersBuy193,6931,421,791$72,526
Q4 2020Renaissance Technologies LLCBuy146,879266,479$10,084
Q4 2020Vulcan Value PartnersBuy383,2361,228,098$46,471
Q3 2020Renaissance Technologies LLCSell-98,400119,600$4,385
Q3 2020Vulcan Value PartnersBuy844,862844,862$30,973

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.