Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in ABM held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 9.3M | $410.9M | +4.6% | 15.857% | 0.01% |
| 2 | DIMENSIONAL FUND ADVISORS LP | 4.1M | $181.1M | +0.4% | 6.987% | 0.03% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 4.1M | $180.8M | +0.3% | 6.978% | 0.01% |
| 4 | STATE STREET CORP | 3.1M | $139.1M | +3.6% | 5.367% | 0.00% |
| 5 | HARRIS ASSOCIATES L P | 2.9M | $128.8M | +1.1% | 4.971% | 0.17% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2.6M | $116.3M | +0.5% | 4.486% | 0.00% |
| 7 | Invesco Ltd. | 1.9M | $83.8M | +10.2% | 3.234% | 0.01% |
| 8 | PZENA INVESTMENT MANAGEMENT LLC | 1.8M | $80.0M | +18.7% | 3.087% | 0.23% |
| 9 | AMERIPRISE FINANCIAL INC | 1.7M | $76.0M | +7.4% | 2.931% | 0.02% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1.5M | $67.0M | +3.9% | 2.584% | 0.00% |
| 11 | NORDEA INVESTMENT MANAGEMENT AB | 1.5M | $65.2M | -12.8% | 2.492% | 0.05% |
| 12 | FULLER & THALER ASSET MANAGEMENT, INC. | 1.0M | $45.6M | -3.1% | 1.759% | 0.12% |
| 13 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 989K | $43.7M | -32.9% | 1.688% | 0.07% |
| 14 | MORGAN STANLEY | 806K | $35.7M | +10.3% | 1.376% | 0.00% |
| 15 | AQR CAPITAL MANAGEMENT LLC | 769K | $34.0M | +108.6% | 1.313% | 0.01% |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 728K | $32.2M | +4.2% | 1.243% | 0.00% |
| 17 | NORTHERN TRUST CORP | 716K | $31.7M | +12.3% | 1.222% | 0.00% |
| 18 | GOLDMAN SACHS GROUP INC | 665K | $29.4M | +14.6% | 1.136% | 0.00% |
| 19 | BANK OF AMERICA CORP /DE/ | 553K | $24.5M | +0.1% | 0.945% | 0.00% |
| 20 | DEPRINCE RACE & ZOLLO INC | 532K | $23.5M | — | 0.908% | 0.39% |
| 21 | Invenomic Capital Management LP | 532K | $23.5M | -4.9% | 0.908% | 1.41% |
| 22 | Boston Partners | 500K | $22.2M | -35.1% | 0.853% | 0.02% |
| 23 | Gemmer Asset Management LLC | 468K | $20.7M | 0.0% | 0.800% | 1.39% |
| 24 | Vulcan Value Partners, LLC | 449K | $19.8M | -28.8% | 0.766% | 0.60% |
| 25 | Copeland Capital Management, LLC | 414K | $18.3M | — | 0.707% | 0.38% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in ABM — a direct measure of their conviction.
Filings activity in ABM during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new ABM position in Q2 2026
Institutions that fully closed their ABM position in Q2 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 305 | +7.0% | 100.38% | +3.81 pp | $2.47B | +19% |
| Q1 2026 | 285 | 6.6% | 96.57% | +1.87 pp | $2.07B | 9.5% |
| Q4 2025 | 305 | +1.3% | 94.70% | 1.20 pp | $2.29B | 13% |
| Q3 2025 | 301 | 4.1% | 95.90% | 0.20 pp | $2.62B | 22% |
| Q2 2025 | 314 | +3.0% | 96.10% | +2.34 pp | $3.37B | +27% |
| Q1 2025 | 305 | +6.6% | 93.76% | 0.42 pp | $2.64B | 17% |
| Q4 2024 | 286 | 3.7% | 94.18% | +4.36 pp | $3.17B | +11% |
| Q3 2024 | 297 | — | 89.82% | — | $2.86B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ABM stock.
Based on Q2 2026 13F filings, institutional ownership of ABM Industries Incorporated stands at 100.4%, held across 305 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of ABM, with approximately 9,289,062 shares worth $0.41B as of Q2 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of ABM.
Our composite Smart Money Score for ABM is 50 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
55 institutions opened new positions in ABM during Q2 2026, while 39 fully exited. 205 added to existing positions and 34 trimmed.
ABM institutional ownership rose by 3.81 percentage points quarter-over-quarter, with a net change of +20 holders.
The top 10 institutions account for 59.2% of all reported 13F value in ABM, and the top 25 account for 78.2%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.