Stocks › ACM
AECOM
ACM·NYSE·
United States·USD
$58.28
-1.88 (-3.12%)
Close · Oct 7, 2026 · Close Prices from Tiingo.com
ACM
AECOM · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
ACMS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of ACM by members of U.S. Congress · 23 on record · 1 in the last 12 months
Whale Activity
Position changes in ACM reported for 2026-06-30 by 11 tracked institutional filers
- Increased5
- New0
- Held0
- Decreased4
- Closed0
- No prior filing2
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 14.4M | $1.00B | decreased |
| VANGUARD CAPITAL MANAGEMENT LLC | 5.8M | $405.4M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.5M | $383.0M | decreased |
| D. E. Shaw & Co., Inc. | 1.7M | $119.4M | increased |
| MILLENNIUM MANAGEMENT LLC | 1.3M | $92.2M | increased |
| TWO SIGMA INVESTMENTS, LP | 875.6K | $61.1M | increased |
| RENAISSANCE TECHNOLOGIES LLC | 746.9K | $52.1M | increased |
| CITADEL ADVISORS LLC | 677.8K | $47.3M | decreased |
| Bridgewater Associates, LP | 163.4K | $11.4M | decreased |
| Delaney Capital Management Ltd. | 141.5K | $9.9M | — |
| S&T BANK/PA | 41.4K | $2.9M | — |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by ACM insiders, by quarter · Form 4
Recent Insider Transactions
4,319 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Poloni LaraPRESIDENT | Purchase | +4,224 | $70.63 | $298K | Jun 16, 2026 | Form 4 ↗ |
| Kapoor GauravCHIEF FINANCIAL OFFICER (PAO) | Purchase | +1,420 | $71.12 | $101K | May 14, 2026 | Form 4 ↗ |
| Rudd TroyCHIEF EXECUTIVE OFFICER · Director | Purchase | +4,225 | $71.02 | $300K | May 14, 2026 | Form 4 ↗ |
| Pipes KristyDirector | Grant / award | +2,002 | $0.00 | $0 | Mar 3, 2026 | Form 4 ↗ |
| Wolfenbarger Janet CarolDirector | Grant / award | +2,002 | $0.00 | $0 | Mar 3, 2026 | Form 4 ↗ |
| Tishman Daniel R.Director | Grant / award | +2,002 | $0.00 | $0 | Mar 3, 2026 | Form 4 ↗ |
| van 't Noordende Alexander MDirector | Grant / award | +2,002 | $0.00 | $0 | Mar 3, 2026 | Form 4 ↗ |
| Buss Brad WDirector | Grant / award | +2,002 | $0.00 | $0 | Mar 3, 2026 | Form 4 ↗ |
| Stotlar DouglasDirector | Grant / award | +2,236 | $0.00 | $0 | Mar 3, 2026 | Form 4 ↗ |
| KERR DEREK JDirector | Grant / award | +2,002 | $0.00 | $0 | Mar 3, 2026 | Form 4 ↗ |
| Rudd TroyCHIEF EXECUTIVE OFFICER · Director | Gift | −600 | $0.00 | $0 | Dec 23, 2025 | Form 4 ↗ |
| Gan David Y.CHIEF LEGAL OFFICER | Sale | −9,502 | $97.01 | $922K | Dec 17, 2025 | Form 4 ↗ |
| Poloni LaraPRESIDENT | Sale | −193 | $98.35 | $19K | Dec 17, 2025 | Form 4 ↗ |
| Poloni LaraPRESIDENT | Sale | −17.3K | $97.01 | $1.7M | Dec 17, 2025 | Form 4 ↗ |
| Gan David Y.CHIEF LEGAL OFFICER | Sale | −6,000 | $98.85 | $593K | Dec 15, 2025 | Form 4 ↗ |
| Gan David Y.CHIEF LEGAL OFFICER | Tax withholding | −10.5K | $97.96 | $1.0M | Dec 15, 2025 | Form 4 ↗ |
| Gan David Y.CHIEF LEGAL OFFICER | Grant / award | +14.1K | $0.00 | $0 | Dec 15, 2025 | Form 4 ↗ |
| Gan David Y.CHIEF LEGAL OFFICER | Grant / award | +6,534 | $0.00 | $0 | Dec 15, 2025 | Form 4 ↗ |
| Gan David Y.CHIEF LEGAL OFFICER | Option exercise | +5,976 | $0.00 | $0 | Dec 15, 2025 | Form 4 ↗ |
| Poloni LaraPRESIDENT | Tax withholding | −13.4K | $97.96 | $1.3M | Dec 15, 2025 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding ACM · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF iShares Trust | 4.4M | $307.0M | 0.25% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 4.1M | $284.6M | 0.01% | Jun 30, 2026 |
| VANGUARD CAPITAL OPPORTUNITY FUND VANGUARD HORIZON FUNDS | 3.4M | $239.7M | 0.73% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 2.9M | $205.7M | 0.11% | Jun 30, 2026 |
| VANGUARD SMALL-CAP VALUE INDEX FUND VANGUARD INDEX FUNDS | 1.9M | $130.3M | 0.19% | Jun 30, 2026 |
| VANGUARD PRIMECAP CORE FUND VANGUARD FENWAY FUNDS | 1.8M | $127.8M | 0.71% | Jun 30, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 1.5M | $102.9M | 0.11% | Jun 30, 2026 |
| Fidelity Value Fund Fidelity Capital Trust | 1.3M | $93.8M | 0.89% | Jul 31, 2026 |
| PRIMECAP Odyssey Aggressive Growth Fund PRIMECAP Odyssey Funds | 1.1M | $79.9M | 1.08% | Jul 31, 2026 |
| PRIMECAP Odyssey Stock Fund PRIMECAP Odyssey Funds | 1.1M | $77.9M | 1.69% | Jul 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list ACM's shares (CUSIP 00766T100), each fund at its latest report since Mar 8, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
No 13D/13G beneficial-ownership filings on record.
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming aecom as client
Government Contracts
Federal awards to AECOM · USAspending
No federal contract awards found for AECOM.
U.S. Patents
Recent USPTO applications naming AECOM
No USPTO patent applications found for AECOM.
Annual Financials
From ACM's 10-K filings · XBRL
No annual XBRL figures on record for ACM. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in ACM's price history.
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 8.01, 9.01Other eventsSep 17, 2026
EDGAR ↗ - 8-K · Items 5.02Officer / director changeSep 16, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsAug 10, 2026
EDGAR ↗ - 8-K · Items 1.01, 2.03, 9.01Material agreement · Direct financial obligationJun 11, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsJun 3, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsMay 11, 2026
EDGAR ↗
About AECOM
From SEC EDGAR company records
Industry (SIC 8711)Services-Engineering Services
SectorIndustrials
HeadquartersDALLAS, TX
IncorporatedDE
SEC CIK0000868857 ↗
Former namesAECOM TECHNOLOGY CORP



