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ABM Industries ABM

US equityMarket cap rank #2535Specialty Business Services
$48.49 −$0.48 (-0.98%)
Pre-market · Oct 6, 7:20 am ET · After hours $48.49 0.00%
Open$48.83
Prev close$48.97
Day range$48.33 – $49.18
Volume428.6K
Market cap$2.84B
P/E (TTM)17.6
Dividend yield2.34%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership100.8%+0.06 pts vs. prior quarter
Institutions holding363+1 vs. prior quarter
Insider trades (recent)27 buys / 21 sellsNet buying
Short interest3.44% of floatDays to cover 3.3 · as of 15 Sep 2026
Short-sale volume share32.2%5-day average of daily volume

Short-sale volume as % of daily volume

28%30%32%35%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$4.42M (6 inflow days, 14 outflow days).

The five largest holders on file together own 40.3% of shares outstanding.

Largest holders

  • BlackRock15.85%
  • Dimensional Fund Advisors6.98%
  • Vanguard Portfolio Management, LLC6.97%
  • State Street Global Advisors5.36%
  • Vanguard Capital Management, LLC5.14%
  • Harris Associates L.P.4.97%
  • LSV Asset Management3.32%
  • Pzena Investment Management, Inc.3.08%

By investor type

  • Mutual Fund91.23%
  • Hedge Fund3.98%
  • Public Company3.07%
  • Individual/Insider1.14%
  • Government Pension Fund1.05%
  • Private Company1.00%
  • Insurance Company0.18%
  • Family Office/Trust0.13%

Reported short interest has fallen from 4.27% to 3.44% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 2,014,393 3.4% 3.3
31 Aug 2026 2,232,623 3.8% 6.0
14 Aug 2026 1,884,396 3.2% 5.6
31 Jul 2026 1,943,345 3.3% 4.3
15 Jul 2026 2,659,321 4.5% 6.7
30 Jun 2026 2,498,490 4.3% 3.0

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