ACM — AECOM
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying ACM?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 4 tracked investors who changed their ACM position last quarter, 3 bought and 1 sold (75% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 56/100 in a Overheat regime). 0 congressional purchases, 1 sale disclosed in the last 6 months.
- +3 tracked investors added or increased positions last quarter (Izzy Englander, Ken Griffin, Paul Tudor Jones)
- +4 tracked investors reported holding ACM at their latest filing
- +Macro Health is 56/100 in a Overheat regime — historically acceptable for this sectorsource
- −1 tracked investor reduced or exited last quarter (1 reduced, 0 sold out)
- −Congressional disclosures lean toward selling (1 sales vs 0 purchases, 6 months)
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.
About AECOM (ACM)
AECOM (ACM) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $145M. Across recent filings, tracked investors recorded 8 new positions, 11 increased, 10 reduced, and 5 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in ACM
How many top investors track ACM
A small number of top investors own this.
ACM Ownership Composition
How AECOM is held across tracked investor types, based on reported 13F positions.
- Multi-Strategy / Quant71.5%
- Macro28.5%
Tracked investors currently reporting ACM
1 tracked investor has since exited this position — listed separately below.
- Izzy EnglanderJun 30, 2026Millennium ManagementShares1.3MValue$92.2M% Portfolio0.03%
- Ken GriffinJun 30, 2026Citadel AdvisorsShares773KValue$54M% Portfolio0.01%
- Paul Tudor JonesJun 30, 2026Tudor Investment CorpShares669.9KValue$46.8M% Portfolio0.07%
- Ray DalioJun 30, 2026Bridgewater AssociatesShares163.4KValue$11.4M% Portfolio0.05%
Previously held ACM
These investors reported ACM in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.
| Investor | Firm | Last reported shares | Value then | Last held |
|---|---|---|---|---|
| Steve Cohen | Point72 Asset Management | 4.3K | $409.9K | Dec 31, 2025 |
Recent activity
- Reduced$63.9M(-28.99%)Nov 14, 2024
- Reduced$24.6M(-62.86%)Feb 14, 2025
- Reduced$7.8M(-63.26%)May 15, 2025
- Increased$38.4M(303.09%)Aug 14, 2025
- Increased$36.1M(1029.55%)Feb 17, 2026
- Increased$66.5M(107.13%)May 15, 2026
- Increased$92.2M(68.53%)Aug 14, 2026
- Reduced$17.1M(-34.27%)Nov 14, 2024
- Reduced$15.6M(-44.38%)May 15, 2025
- Increased$19.3M(1.48%)Aug 14, 2025
- Sold$0(-100.00%)Nov 14, 2025
- New$53.1MFeb 17, 2026
- Increased$54M(1.42%)Aug 14, 2026
- New$2.7MMay 14, 2024
- Reduced$2M(-18.16%)Aug 14, 2024
- Sold$0(-100.00%)Nov 13, 2024
- New$376.8KMay 14, 2025
- Increased$11.8M(2479.50%)Aug 13, 2025
- Reduced$7.6K(-44.59%)Nov 13, 2025
- Reduced$4.1M(-26.52%)Feb 13, 2026
- Increased$15.5M(329.20%)May 15, 2026
- Reduced$11.4M(-10.79%)Aug 14, 2026
- New$15.1MFeb 14, 2025
- Increased$17.6M(34.72%)Jul 21, 2025
- Reduced$2.6M(-87.98%)Aug 14, 2025
- Sold$0(-100.00%)Nov 14, 2025
- New$409.9KFeb 17, 2026
- Sold$0(-100.00%)May 15, 2026
- $250.1KAug 14, 2024
- Sold$0(-100.00%)Nov 14, 2024
- Increased$19.7M(129.06%)May 15, 2026
- Increased$46.8M(188.64%)Aug 14, 2026
- New$22.1MAug 14, 2024
- $145.2MMay 15, 2024
Frequently asked questions
- How many institutional investors hold ACM?
- 4 tracked institutional investors disclosed a position in ACM (AECOM) in their most recent 13F filing.
- Who is the largest institutional holder of ACM?
- Izzy Englander, Millennium Management, holds the largest disclosed position in ACM, valued at $145M.
- Did institutional ownership of ACM increase or decrease?
- Across recent 13F filings, tracked investors recorded 8 new positions, 11 increased, 10 reduced, and 5 fully exited ACM.
- Where does this ACM ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.