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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- ABM INDUSTRIES INC (ABM) stock institutional ownership
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2020 | Renaissance Technologies LLC | Buy | 132,300 | 218,000 | $5,310 |
| Q4 2019 | Renaissance Technologies LLC | Sell | -500 | 85,700 | $3,232 |
| Q3 2019 | Renaissance Technologies LLC | Sell | -209,800 | 86,200 | $3,131 |
| Q1 2018 | Renaissance Technologies LLC | Buy | 152,500 | 296,000 | $9,910 |
| Q4 2017 | Renaissance Technologies LLC | Buy | 71,800 | 143,500 | $5,413 |
| Q3 2017 | Renaissance Technologies LLC | Sell | -167,200 | 71,700 | $2,991 |
| Q4 2016 | Third Avenue Management | Sell | -13,367 | 89,857 | $3,670 |
| Q1 2016 | Renaissance Technologies LLC | Buy | 45,900 | 238,900 | $7,719 |
| Q1 2016 | Third Avenue Management | Buy | 48 | 103,224 | $3,335 |
| Q4 2015 | Renaissance Technologies LLC | Buy | 149,500 | 193,000 | $5,495 |
| Q4 2015 | Third Avenue Management | Sell | -68,525 | 103,176 | $2,937 |
| Q3 2015 | Renaissance Technologies LLC | Sell | -90,200 | 43,500 | $1,188 |
| Q3 2015 | Engaged Capital | Sell | -217,016 | 129,135 | $3,527 |
| Q3 2015 | Third Avenue Management | Sell | -68,856 | 171,701 | $4,689 |
| Q3 2015 | Olstein Capital Management | Sell | -200,900 | 241,000 | $6,582 |
| Q2 2015 | Engaged Capital | Buy | 346,151 | 346,151 | $11,378 |
| Q2 2015 | Olstein Capital Management | Sell | -36,100 | 441,900 | $14,525 |
| Q1 2015 | Third Avenue Management | Buy | 24,085 | 240,557 | $7,664 |
| Q1 2015 | Olstein Capital Management | Buy | 4,000 | 478,000 | $15,229 |
| Q4 2014 | Renaissance Technologies LLC | Sell | -5,900 | 133,700 | $3,831 |
| Q4 2014 | Third Avenue Management | Sell | -433,566 | 216,472 | $6,202 |
| Q4 2014 | Olstein Capital Management | Buy | 11,000 | 474,000 | $13,580 |
| Q3 2014 | Renaissance Technologies LLC | Buy | 20,900 | 139,600 | $3,586 |
| Q3 2014 | Olstein Capital Management | Buy | 110,000 | 463,000 | $11,894 |
| Q2 2014 | Renaissance Technologies LLC | Sell | -19,297 | 118,700 | $3,203 |
| Q2 2014 | Third Avenue Management | Sell | -95,509 | 650,038 | $17,538 |
| Q2 2014 | Olstein Capital Management | Buy | 63,000 | 353,000 | $9,524 |
| Q1 2014 | Renaissance Technologies LLC | Buy | 66,997 | 137,997 | $3,966 |
| Q1 2014 | Third Avenue Management | Sell | -296,251 | 745,547 | $21,427 |
| Q1 2014 | Olstein Capital Management | Buy | 14,900 | 290,000 | $8,335 |
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.