ABM Industries Incorporated
ABM Industries Incorporated (ABM) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ABM · as of Mar 31, 2025
Ownership Breakdown
312
Institutional Holders
▲ 12 vs Q4
$2.81B
Total Inst. Value
▼ $209.02M vs Q4
58.53M
Shares Outstanding
freeFloat 98.99%
59.30M
13F Shares Held
▲ 403,460 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ABM largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. services-to dwellings & other buildings | 9.63M | 15.36% | 15.36% | $456.24B | May 2, 2025 | ▼ 470.0K |
VANGUARD GROUP INC services-to dwellings & other buildings | 7.89M | 12.59% | 12.59% | $373.89B | May 9, 2025 | ▼ 303.6K |
DIMENSIONAL FUND ADVISORS LP services-to dwellings & other buildings | 4.24M | 6.77% | 6.77% | $200.90B | May 13, 2025 | ▼ 190.5K |
STATE STREET CORP services-to dwellings & other buildings | 3.24M | 5.17% | 5.17% | $153.66B | May 15, 2025 | ▼ 239.1K |
HARRIS ASSOCIATES L P services-to dwellings & other buildings | 2.29M | 3.65% | 3.65% | $108.35B | May 15, 2025 | ▲ 160.9K |
MACQUARIE GROUP LTD services-to dwellings & other buildings | 1.92M | 3.07% | 3.07% | $91.04B | Aug 14, 2025 | ▲ 89.5K |
ALLIANCEBERNSTEIN L.P. services-to dwellings & other buildings | 1.89M | 3.02% | 3.02% | $89.57B | May 15, 2025 | ▼ 665.7K |
INVESCO LTD. services-to dwellings & other buildings | 1.79M | 2.85% | 2.85% | $84.63B | May 12, 2025 | ▲ 269.4K |
AMERICAN CENTURY COMPANIES INC services-to dwellings & other buildings | 1.59M | 2.54% | 2.54% | $75.33B | May 13, 2025 | ▲ 406.8K |
GEODE CAPITAL MANAGEMENT, LLC services-to dwellings & other buildings | 1.49M | 2.38% | 2.38% | $70.68B | May 13, 2025 | ▲ 50.7K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
23
Increased
+2.76M shares2
New Positions
first time holders25
Decreased
−2.74M shares0
Sold Out
fully exitedNet shares change (top 50)
+18.7K
+2.76M / −2.74M
Net new holders
+0
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ABM insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
27
Buy transactions
25
Sell transactions
1.08
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Gallo Thomas James EVP & Chief Strategy Officer | Jan 10, 2026 | Award | 1,964 | — | — | 24.2K | Form 4 ↗ |
Gallo Thomas James EVP & Chief Strategy Officer | Jan 8, 2026 | Award | 5,281 | — | — | 23.2K | Form 4 ↗ |
Gallo Thomas James EVP & Chief Strategy Officer | Jan 9, 2026 | Tax Withhold | 927 | $44.69 | $41.4K | 22.3K | Form 4 ↗ |
Gallo Thomas James EVP & Chief Strategy Officer | Jan 10, 2026 | Tax Withhold | 3,154 | $44.69 | $141.0K | 21.1K | Form 4 ↗ |
JACOBSEN RENE EVP & Chief Operating Officer | Feb 9, 2026 | Sale | 9,339 | $47.23 | $441.1K | 41.6K | Form 4 ↗ |
JACOBSEN RENE EVP & Chief Operating Officer | Jan 10, 2026 | Tax Withhold | 1,007 | $44.69 | $45.0K | 94.8K | Form 4 ↗ |
JACOBSEN RENE EVP & Chief Operating Officer | Jan 13, 2026 | Sale | 31,034 | $44.12 | $1.37M | 51.7K | Form 4 ↗ |
VALENTIN RAUL JAVIER EVP and CHRO | Jan 10, 2026 | Award | 7,542 | — | — | 53.6K | Form 4 ↗ |
VALENTIN RAUL JAVIER EVP and CHRO | Jan 10, 2026 | Tax Withhold | 3,215 | $44.69 | $143.7K | 50.4K | Form 4 ↗ |
VALENTIN RAUL JAVIER EVP and CHRO | Jan 8, 2026 | Award | 11,358 | — | — | 48.5K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
ABM Industries Incorporated (ABM) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 1.01%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of ABM Industries Incorporated is BLACKROCK, INC., holding approximately 9.63 million shares — equal to 15.36% of outstanding shares — as of March 31, 2025.
A total of 312 institutional investors currently hold ABM stock, with a combined institutional value of approximately $2.81 billion as of the most recent 13F filing period.
Frequently asked questions
ABM ownershipABM Industries Incorporated (ABM) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is BLACKROCK, INC. with a 15.36% stake. Company insiders hold 1.01%. Data sourced from SEC Form 13F as of March 31, 2025.