ABM Industries Incorporated (ABM) Ownership
ABM ownership summary
as of October 18, 2026- Institutions
- 103.0% of shares outstanding
- Insiders
- 1.55% of shares outstanding
- Shares outstanding
- 58.6M
- Float
- 57.9M shares available to trade
- Short interest
- 4.88% 2.0M shares short
- Days to cover
- 3.59 short interest down 10.3% vs prior month
- Institutions 102.98%
- Insiders 1.55%
ABM top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 15.85% | 9.3M | $475.1M | +407,521 (+4.6%) | June 30, 2026 |
| 2 | Dimensional Fund Advisors, Inc. | 6.98% | 4.1M | $209.4M | +17,167 (+0.4%) | June 30, 2026 |
| 3 | Vanguard Portfolio Management, LLC | 6.97% | 4.1M | $209.1M | +11,907 (+0.3%) | June 30, 2026 |
| 4 | State Street Corp | 5.36% | 3.1M | $160.8M | +109,878 (+3.6%) | June 30, 2026 |
| 5 | Harris Associates L.P. | 4.97% | 2.9M | $149.0M | +30,163 (+1.0%) | June 30, 2026 |
| 6 | Vanguard Capital Management, LLC | 4.48% | 2.6M | $134.4M | +13,603 (+0.5%) | June 30, 2026 |
| 7 | LSV Asset Management | 3.32% | 1.9M | $99.5M | +309,853 (+18.9%) | June 30, 2026 |
| 8 | Amvescap Plc. | 3.23% | 1.9M | $96.9M | +175,691 (+10.2%) | June 30, 2026 |
| 9 | Pzena Investment Management, LLC | 3.08% | 1.8M | $92.5M | +285,267 (+18.7%) | June 30, 2026 |
| 10 | Ameriprise Financial Inc | 2.93% | 1.7M | $87.8M | +118,407 (+7.4%) | June 30, 2026 |
| 11 | Geode Capital Management, LLC | 2.58% | 1.5M | $77.4M | +56,804 (+3.9%) | June 30, 2026 |
| 12 | Nordea Investment Mgmt Bank Demark A/s | 2.49% | 1.5M | $74.7M | −213,495 (−12.8%) | June 30, 2026 |
| 13 | Fuller & Thaler Asset Management Inc | 1.76% | 1.0M | $52.7M | −33,061 (−3.1%) | June 30, 2026 |
| 14 | Delaware Management Holdings Inc | 1.69% | 989K | $50.6M | −484,186 (−32.9%) | June 30, 2026 |
| 15 | Morgan Stanley - Brokerage Accounts | 1.38% | 806K | $41.2M | +75,478 (+10.3%) | June 30, 2026 |
| 16 | Arnhold & S. Bleichroeder Advisers, LLC | 1.37% | 800K | $40.9M | +507,195 (+173.1%) | June 30, 2026 |
| 17 | AQR Capital Management LLC | 1.31% | 769K | $39.3M | +400,268 (+108.6%) | June 30, 2026 |
| 18 | Charles Schwab Investment Management Inc | 1.24% | 728K | $37.2M | +29,629 (+4.2%) | June 30, 2026 |
| 19 | Northern Trust Corp | 1.22% | 716K | $36.6M | +78,679 (+12.3%) | June 30, 2026 |
| 20 | Copeland Capital Management, LLC | 1.21% | 707K | $36.2M | +293,172 (+70.8%) | September 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 17 holders added 2.9M shares and 3 cut 731K.
ABM top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.95% | 3.5M | $178.4M | +807 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.18% | 1.9M | $95.3M | −3,713 (−0.2%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.63% | 1.5M | $78.8M | −17,792 (−1.1%) | September 30, 2026 |
| 4 | Invesco Small Cap Value A | 2.60% | 1.5M | $78.1M | +90,473 (+6.3%) | August 31, 2026 |
| 5 | Vanguard Small Cap Index | 2.25% | 1.3M | $67.5M | −26,866 (−2.0%) | September 30, 2026 |
| 6 | Oakmark Equity And Income Investor | 1.81% | 1.1M | $54.2M | — | June 30, 2026 |
| 7 | DFA US Small Cap Value I | 1.58% | 928K | $47.5M | — | August 31, 2026 |
| 8 | Vanguard MStar Small Cap Value Index | 1.46% | 858K | $43.9M | +2,917 (+0.3%) | September 30, 2026 |
| 9 | Undiscovered Managers Behavioral Val L | 1.38% | 807K | $41.3M | −18,000 (−2.2%) | August 31, 2026 |
| 10 | CT (Lux) American Smaller Com 9U USD | 1.26% | 739K | $37.8M | −116,127 (−13.6%) | September 30, 2026 |
| 11 | Nomura Small Cap Core I | 1.12% | 654K | $33.5M | — | August 31, 2026 |
| 12 | Fidelity Small Cap Index | 1.10% | 646K | $33.0M | +5,169 (+0.8%) | July 31, 2026 |
| 13 | iShares Russell 2000 Value ETF | 0.95% | 556K | $28.5M | +844 (+0.2%) | September 30, 2026 |
| 14 | CT American Smaller Coms(US) InstAccGBP | 0.93% | 543K | $27.8M | +17,846 (+3.4%) | September 30, 2026 |
| 15 | State Street SPDR Port S&P 600 Sm CpETF | 0.91% | 532K | $27.2M | — | September 30, 2026 |
| 16 | DFA US Targeted Value I | 0.86% | 505K | $25.8M | — | August 31, 2026 |
| 17 | State Street® SPDR® S&P® Dividend ETF | 0.86% | 502K | $25.7M | — | September 30, 2026 |
| 18 | iShares S&P Small-Cap 600 Value ETF | 0.84% | 495K | $25.3M | — | September 30, 2026 |
| 19 | Dimensional US Targeted Value ETF | 0.78% | 457K | $23.4M | — | September 30, 2026 |
| 20 | Nordea Stabile Aksjer Global | 0.73% | 429K | $21.9M | −16,800 (−3.8%) | May 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
ABM insider transactions
latest 8| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-13 | Rene Jacobsen | Sell | $44.12 | 31,034 | $1.4M |
| 2025-07-07 | Rene Jacobsen | Sell | $48.03 | 17,250 | $828,518 |
| 2025-06-13 | Thomas M Gartland | Sell | $45.52 | 3,711 | $168,925 |
| 2025-05-15 | Scott B Salmirs | Sell | $52.37 | 37,065 | $1.9M |
| 2025-05-13 | Scott B Salmirs | Sell | $52.06 | 12,135 | $631,748 |
| 2025-05-12 | Scott B Salmirs | Sell | $52.09 | 800 | $41,672 |
| 2025-05-07 | Sean Michael Mahoney | Sell | $50.03 | 1,800 | $90,054 |
| 2025-05-05 | Sean Michael Mahoney | Sell | $50.06 | 574 | $28,734 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
ABM shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns ABM
Institutional investors own 103.0% of ABM Industries's shares and insiders 1.55%. The largest holder is BlackRock Inc with 15.85% of the shares (9.3M), as of June 30, 2026. Among the top 20 institutions, 17 added shares and 3 reduced their stake in the latest filings. Short interest is 4.88% of the float, or 3.59 days of average trading volume. The share count rose 8.4% since 2014.
Related: ABM analyst forecast, ABM key metrics, ABM dividend history. See the ABM stock overview for the latest quote and news.
ABM ownership FAQ
Who owns the most ABM Industries stock?
The largest shareholders of ABM Industries are BlackRock Inc (15.85%), Dimensional Fund Advisors, Inc. (6.98%), Vanguard Portfolio Management, LLC (6.97%), State Street Corp (5.36%), Harris Associates L.P. (4.97%).
What percentage of ABM Industries is owned by institutions?
Institutions hold 103.0% of ABM Industries's shares outstanding; insiders hold 1.55%.
Which funds own ABM Industries?
The largest fund holders of ABM Industries are iShares Core S&P Small-Cap ETF (5.95%), Vanguard MStar Total Stk Mkt Idx Invest (3.18%), iShares Russell 2000 ETF (2.63%), Invesco Small Cap Value A (2.60%), Vanguard Small Cap Index (2.25%).
What is ABM Industries's short interest?
2.0M shares of ABM Industries were sold short, 4.88% of the float; at the average daily volume it would take 3.59 days to cover.
Are insiders buying or selling ABM Industries?
Of the latest 8 reported insider transactions in ABM Industries (since May 5, 2025), 0 were purchases and 8 were sales.
How many shares of ABM Industries are outstanding?
ABM Industries has 58.6M shares outstanding, of which 57.9M are in the public float.