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Of the 15 tracked institutions holding ACM, 7 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +2.9pt. It's a gauge of who owns the name, not just how many.
Among the 15 tracked institutional investors we monitor, ACM (AECOM) is held with a combined value of $3.11B across 40,075,981 shares. The largest holder is VANGUARD GROUP INC with a position worth $1.17B (0.02% of their portfolio). 8 funds increased their holdings. 7 funds reduced their position.
Total Institutional Value
$3.11B
Total Shares Held
40,075,981
Institutional Holders
15
% of Shares Outstanding
31.1%
of 128.70M shares · SEC 2026-08-07
Days to Cover
2.1-28.3%
5.12M shares short · FINRA 2026-08-14
Tracked 13F institutions hold 31.1% of ACM's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-08-07), not a live float.
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $1.17B | 0.02% | -1.8% |
| 2 | BlackRock, Inc. | $1.00B | 0.01% | -8.8% |
| 3 | STATE STREET CORP | $286.61M | 0.01% | -18.6% |
| 4 | FMR LLC | $262.32M | 0.01% | +78.3% |
| 5 | AQR CAPITAL MANAGEMENT LLC | $124.01M | 0.04% | +69.2% |
| 6 | MILLENNIUM MANAGEMENT LLC | $92.23M | 0.06% | +68.5% |
| 7 | RENAISSANCE TECHNOLOGIES LLC | $52.13M | 0.07% | +12.8% |
| 8 | CITADEL ADVISORS LLC | $47.31M | 0.03% | -5.2% |
| 9 | Gotham Asset Management, LLC | $31.73M | 0.07% | +237.3% |
| 10 | Bridgewater Associates, LP | $11.41M | 0.05% | -10.8% |
| Description | Amount |
|---|---|
LOGISTICAL SUPPORT FOR PUBLIC MEETINGS TO RELEASE THE NIST HURRICANE MARIA REPORTS OU73-FY26-042-NEW | $179K |
TASK ORDER FOR PROGRAM MANAGEMENT/CONSTRUCTION MANAGEMENT NATIONAL AE IDIQ MATOC | $7.5M |
TSC EL VADO TPRB GEOTECHNICAL 1 | $118K |
| Member | Type | Date |
|---|---|---|
| Alan Armstrong | Sell | Mar 27, 2026 |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of ACM with a position worth $1.17B, representing 0.02% of their portfolio. In total, 15 institutional investors hold ACM with a combined value of $3.11B.
Institutional investors hold $3.11B worth of ACM stock across 15 positions. The largest institutional holder is VANGUARD GROUP INC with $1.17B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For ACM, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their ACM positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
OAE SME CONTRACT SUPPORT IN WASHINGTON, DC |
| $3.8M |
AWARD OF CMA SERVICES FOR THE JACOB K. JAVITS FEDERAL BUILDING FIRE ALARM UPGRADE, 31ST FLOOR TENANT FIT-OUT AND DEMO-ABATEMENT PROJECTS IN NY, NY | $599K |
PROJECT INVOLVES THE DESIGN PHASE OF A COMPREHENSIVE OVERHAUL TO REPLACE THE FACILITY'S BOILER PLANT WITH CODE COMPLIANT, HIGH EFFICIENCY EQUIPMENT AT THE PIEGAN LAND PORT OF ENTRY IN BABB, MONTANA. | $202K |
ENGINEERING SERVICES FOR THE PREPARATION OF TWO (2) DESIGN SCOPING REPORTS (DSR), FINAL DESIGN PLANS, SPECIFICATIONS, AND ESTIMATE (PS&E), AND OTHER SUPPORTING DOCUMENTS FOR PROJECTS NP PVT PRES FY27(1) AND NP PVT PRES FY28(1) IN ACCORDANCE WITH | $1.0M |
NASA - NEXT HEADQUARTERS ARCHITECT ENGINEER (AE) SERVICES TO SUPPORT NASA THROUGH THE CRITICAL DECISION-MAKING PROCESS FOR THE NEXT NASA HEADQUARTERS FACILITY TO ENSURE NASA STAYS ON TRACK TO PROPERLY ALIGN ALL NASA REQUIREMENTS WITH THE BEST FACI | $533K |
CONSTRUCTION MANAGEMENT SERVICES FOR THE NEW FDA LAB IN DAUPHIN ISLAND, ALABAMA | $1.4M |
THE PURPOSE OF THIS TASK ORDER IS TO PROVIDE DESIGN REVIEW SUPPORT FOR TAXIWAY PHASE I PROJECT IN ACCORDANCE WITH THE PERFORMANCE WORK STATEMENT, TITLED AE DESIGN REVIEW SUPPORT SERVICES FY 26 REPAIR APRONS AND TAXIWAYS, AUGUST 13, 2026. | $115K |
PROVIDE ARCHITECTURAL AND ENGINEERING CONSTRUCTION DOCUMENTS FOR THE RENOVATION OF BUILDING 210. | $351K |
ARCHITECTURAL / ENGINEERING SERVICES FOR REPAIR BLASTING FACILITY AT BUILDING 77, USCG BASE ELIZABETH CITY, NC. | $482K |
MSFC ENGINEERING SERVICES DURING CONSTRUCTION (ESDC) FOR THE REPLACEMENT OF CENTRAL CHILLER PLANT PUMPS AT BUILDING 4473 | $183K |
CONSTRUCTION MANAGEMENT AS ADVISOR (CMA)SERVICES FOR 15 DESIGN-BUILD CONSTRUCTION PROJECTS IMPACTING BORDER PATROL CHECKPOINTS IN ARIZONA, CALIFORNIA, NEW MEXICO, AND TEXAS. | $35.3M |
CONSTRUCTION MANAGEMENT AS ADVISOR(CMA)SERVICES FOR THE LAREDO SECTOR HEADQUARTERS DESIGN-BUILD CONSTRUCTION PROJECT. | $14.1M |
BAT & BER ASSESSMENTS | $3.5M |
657A4-26-110 DEMOLISH BLDG 1-RM 5025A | $287K |
A/E SERVICES FOR HISTORIC STUDIES AT LUKEVILLE LPOE, AZ DOE & HSR UPDATE AT TECATE LPOE, CA | $72K |
PROGRAM MANAGEMENT INFORMATION SYSTEM AND SHORT-TERM PROGRAM MANAGEMENT SERVICES. | $5.8M |
A/E SERVICES TO DEVELOP A STUDY TO DEVELOP SOLUTIONS TO PERMANENTLY ADDRESS THE SOUTH FOUNDATION WALL ISSUE IN THE STEAM ROOM AT 26 FEDERAL PLAZA, NY, NY | $149K |
Source: USASpending.gov · Federal contract awards for ACM
Last Close
$64.02
2026-09-09
YTD
-33.6%
4% of 52-week range
