Filing Flows › AECOM (ACM) › Who owns the stock
Who owns AECOM (ACM) stock
537 funds reported AECOM (ACM) shares in their latest 13F filings, worth $8.7B in all. The largest holder is Vanguard Group ($1.2B). Last quarter 245 funds added to their stakes and 324 cut them. Members of Congress and other officials disclosed 1 trade (0 buys, 1 sales).
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| Vanguard Group | 12,285,802 | $1.2B | decrease | 2025-12-31 |
| BlackRock | 14,379,638 | $1.0B | decrease | 2026-06-30 |
| Primecap Management | 8,787,043 | $613M | increase | 2026-06-30 |
| Vanguard Capital Management LLC | 5,808,042 | $405M | increase | 2026-06-30 |
| Vanguard Portfolio Management LLC | 5,486,637 | $383M | decrease | 2026-06-30 |
| State Street | 4,106,098 | $287M | decrease | 2026-06-30 |
| FMR LLC | 3,758,192 | $262M | increase | 2026-06-30 |
| UBS AM, a distinct business unit of UBS Asset Management Americas LLC | 3,565,323 | $249M | increase | 2026-06-30 |
| Invesco | 3,191,873 | $223M | decrease | 2026-06-30 |
| Geode Capital Management, LLC | 2,445,738 | $171M | decrease | 2026-06-30 |
| First Trust Advisors LP | 2,446,092 | $171M | decrease | 2026-06-30 |
| Impax Asset Management Group | 2,128,339 | $149M | increase | 2026-06-30 |
| Qube Research & Technologies | 2,119,499 | $148M | increase | 2026-06-30 |
| Arrowstreet Capital, Limited Partnership | 2,096,935 | $146M | increase | 2026-06-30 |
| AQR Capital Management LLC | 1,795,383 | $124M | increase | 2026-06-30 |
Trades by Congress and other officials
| Date | Who | Trade | Amount |
|---|---|---|---|
| 2026-03-27 | Alan Armstrong | sale | $15K–$50K |
AECOM's latest quarter
AECOM, Q4 FY25: revenue $4.2B (+2% year over year), operating margin 5.7%, net earnings $120M, operating cash flow $196M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most ACM stock?
By the latest 13F filings: Vanguard Group ($1.2B); BlackRock ($1.0B); Primecap Management ($613M); Vanguard Capital Management LLC ($405M); Vanguard Portfolio Management LLC ($383M).
Has Congress traded ACM stock?
Officials disclosed 1 trade on file: 0 buys and 1 sales. The latest: Alan Armstrong, sale on 2026-03-27.
What is the short interest in ACM?
6,161,964 shares were sold short at the 2026-10-15 settlement, 3.8% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.