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ABM · Abm Industries Inc /De/ · Holdings

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$48.49 -0.48 (-0.98%)
Market Cap
$2.91B
Shares
58.61M
Volume · Oct 5 428.64K Avg daily vol (3M) 445.2K

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.
The Sep 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out. Each fund's Change is measured against its own previous reported quarter, shown in the Reported column. Pick a completed quarter in the Quarter selector below to put every fund on one quarter and see the stock-wide activity breakdown.
Holders: 309
Total Value: $2,603,419,893
Total Shares: 58,847,449
Showing 1–100 of 314 holdings by value · page 1 of 4

Institutional Ownership Trend

27 quarters

Holder Concentration

Across 309 13F filers
Top Holder
15.8%
Sep 2023 → Jun 2026 · range 15.2% – 18.3%
of institutional value
Top 5
40.0%
Sep 2023 → Jun 2026 · range 40.0% – 51.0%
of institutional value
Top 10
57.0%
Sep 2023 → Jun 2026 · range 56.8% – 63.2%
of institutional value
HHI
497
Sep 2023 → Jun 2026 · range 497 – 716
Broadly held
Showing 100 of 314
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 771497 CUSIP 000957100 13F (30d) 7 filings 7 filers Visit website Investor relations