AECOM (ACM): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in ACM · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
27
13F filers
Aggregate Value
$1.6B
Across holders
Last Price
$64.99
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity20 increased7 reduced4 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| PRIMECAP MANAGEMENT CO/CA/ CIK 0000763212 | Institutional Manager | 8.79M | $613.3M | 37.8% | 0.4% | Added | +$9.8M | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 2.12M | $147.9M | 9.1% | 0.1% | Added | +$117.1M | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 2.10M | $146.4M | 9.0% | 0.1% | Added | +$129.7M | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 1.80M | $124.0M | 7.6% | 0.0% | Added | +$124.0M | Q2 2026 |
| SHAW D E & CO INC CIK 0001009207 | Hedge Fund | 1.71M | $119.4M | 7.4% | 0.1% | Added | $-28.8M | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 1.32M | $92.2M | 5.7% | 0.0% | Added | +$37.5M | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 876K | $61.1M | 3.8% | 0.0% | Added | +$25.8M | Q2 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 747K | $52.1M | 3.2% | 0.1% | Added | +$5.9M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 678K | $47.3M | 2.9% | 0.0% | Reduced | $-19.7M | Q2 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 670K | $46.8M | 2.9% | 0.1% | Added | +$30.6M | Q2 2026 |
Added
Institutional Manager
$613.3M· 37.8% of total· 0.4% port· 8.79M sh· +$9.8M QoQ· Q2 2026
Added
Hedge Fund
$147.9M· 9.1% of total· 0.1% port· 2.12M sh· +$117.1M QoQ· Q2 2026
Added
Hedge Fund
$146.4M· 9.0% of total· 0.1% port· 2.10M sh· +$129.7M QoQ· Q2 2026
Added
Hedge Fund
$124.0M· 7.6% of total· 0.0% port· 1.80M sh· +$124.0M QoQ· Q2 2026
Added
Hedge Fund
$119.4M· 7.4% of total· 0.1% port· 1.71M sh· $-28.8M QoQ· Q2 2026
Added
Hedge Fund
$92.2M· 5.7% of total· 0.0% port· 1.32M sh· +$37.5M QoQ· Q2 2026
Added
Hedge Fund
$61.1M· 3.8% of total· 0.0% port· 876K sh· +$25.8M QoQ· Q2 2026
Added
Hedge Fund
$52.1M· 3.2% of total· 0.1% port· 747K sh· +$5.9M QoQ· Q2 2026
Reduced
Hedge Fund
$47.3M· 2.9% of total· 0.0% port· 678K sh· $-19.7M QoQ· Q2 2026
Added
Hedge Fund
$46.8M· 2.9% of total· 0.1% port· 670K sh· +$30.6M QoQ· Q2 2026
Added
Hedge Fund
$34.7M· 2.1% of total· 0.0% port· 498K sh· +$26.1M QoQ· Q2 2026
Added
Hedge Fund
$31.7M· 2.0% of total· 0.1% port· 455K sh· +$22.3M QoQ· Q2 2026
Added
Hedge Fund
$24.4M· 1.5% of total· 0.1% port· 350K sh· +$693K QoQ· Q2 2026
Reduced
Hedge Fund
$21.4M· 1.3% of total· 0.1% port· 306K sh· $-18.0M QoQ· Q2 2026
Added
Hedge Fund
$18.6M· 1.1% of total· 0.1% port· 267K sh· +$17.5M QoQ· Q2 2026
Reduced
Hedge Fund
$11.4M· 0.7% of total· 0.0% port· 163K sh· $-1.4M QoQ· Q2 2026
Added
Hedge Fund
$7.5M· 0.5% of total· 0.0% port· 108K sh· +$2.9M QoQ· Q2 2026
Added
Hedge Fund
$6.6M· 0.4% of total· 0.1% port· 94K sh· +$1.0M QoQ· Q2 2026
Added
Institutional Manager
$4.4M· 0.3% of total· 0.0% port· 63K sh· +$2.0M QoQ· Q2 2026
Added
Hedge Fund
$3.5M· 0.2% of total· 0.0% port· 50K sh· +$1.3M QoQ· Q2 2026
Reduced
Hedge Fund
$2.3M· 0.1% of total· 0.0% port· 32K sh· $-10.8M QoQ· Q2 2026
Reduced
Hedge Fund
$1.6M· 0.1% of total· 0.0% port· 22K sh· $-784K QoQ· Q2 2026
Added
Hedge Fund
$1.2M· 0.1% of total· 0.0% port· 17K sh· — QoQ· Q2 2026
Added
Hedge Fund
$1.2M· 0.1% of total· 0.0% port· 16K sh· +$514K QoQ· Q2 2026
Reduced
Hedge Fund
$730K· 0.0% of total· 0.0% port· 10K sh· $-1.8M QoQ· Q2 2026
Added
Hedge Fund
$500K· 0.0% of total· 0.0% port· 7K sh· +$284K QoQ· Q2 2026
Reduced
Hedge Fund
$455K· 0.0% of total· 0.0% port· 7K sh· $-417K QoQ· Q2 2026
1–10 of 27
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