Ticker · CUSIP 00766T100

ACM

AECOM
Industrials·Engineering & Construction
···Share
Holders (tracked)
18
Combined shares
5,026,118
Combined value
$479.14M
Last close
$86.61
Quarter
2025Q4
Price · 1Y$86.61-6.71 (-7.19%)H $133.44 · L $82.91 · Avg Vol 1.2M
$80.00$100.00$120.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+6 vs previous quarter over the last 8.
18122024Q12025Q4
Price is -9.1% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

26 events
  1. Jeremy Grantham (GMO) opened position2026-02-17
    +16,203 shares · 2025Q4
    Position
  2. Ken Griffin (Citadel Advisors) added2026-02-17
    +430,049 shares · 2025Q4
    Position
  3. AQR Capital Management trimmed2026-02-17
    −1,460 shares · 2025Q4
    Position
  4. D.E. Shaw & Co. added2026-02-17
    +357,110 shares · 2025Q4
    Position
  5. T. Rowe Price added2026-02-17
    +18,638 shares · 2025Q4
    Position
  6. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +94,016 shares · 2025Q4
    Position
  7. Wellington Management added2026-02-17
    +1,446 shares · 2025Q4
    Position
  8. Two Sigma Investments added2026-02-17
    +218,400 shares · 2025Q4
    Position
  9. Izzy Englander (Millennium Mgmt) added2026-02-17
    +345,012 shares · 2025Q4
    Position
  10. Steve Cohen (Point72) opened position2026-02-17
    +4,300 shares · 2025Q4
    Position
  11. Ray Dalio (Bridgewater Associates) trimmed2026-02-13
    −15,400 shares · 2025Q4
    Position
  12. Renaissance Technologies added2026-02-12
    +187,600 shares · 2025Q4
    Position
  13. Norges Bank (Norway SWF) opened position2026-02-10
    +2,155,657 shares · 2025Q4
    Position
  14. Ken Fisher (Fisher Asset Mgmt) added2026-02-09
    +179 shares · 2025Q4
    Position
  15. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −306,897 shares · 2025Q3
    Position
  16. Steve Cohen (Point72) exited2025-11-14
    −22,829 shares · 2025Q3
    Position
  17. Two Sigma Investments added2025-11-14
    +59,552 shares · 2025Q3
    Position
  18. D.E. Shaw & Co. trimmed2025-11-14
    −11,598 shares · 2025Q3
    Position
  19. T. Rowe Price added2025-11-14
    +26,398 shares · 2025Q3
    Position
  20. Wellington Management added2025-11-14
    +1,546 shares · 2025Q3
    Position
  21. AQR Capital Management trimmed2025-11-14
    −199,140 shares · 2025Q3
    Position
  22. Ray Dalio (Bridgewater Associates) trimmed2025-11-13
    −46,730 shares · 2025Q3
    Position
  23. Renaissance Technologies added2025-11-13
    +187,250 shares · 2025Q3
    Position
  24. Norges Bank (Norway SWF) exited2025-11-13
    −1,779,899 shares · 2025Q3
    Position
  25. Ken Fisher (Fisher Asset Mgmt) opened position2025-11-12
    +2,135 shares · 2025Q3
    Position
  26. Norges Bank (Norway SWF) trimmed2025-11-12
    −1,107 shares · 2024Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for ACM →
Follow-the-investor returns
If you'd copied each holder of ACM…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Jeremy Grantham (GMO)2016Q1$30.79+181.3%$1.4M
Ken Fisher (Fisher Asset Mgmt)2021Q1$70.34+23.1%$200K
Wellington Management2016Q1$82.57+4.9%$1.7M
T. Rowe Price2016Q1$82.89+4.5%$16.8M
Paul Tudor Jones (Tudor Investment)2017Q1$95.17-9.0%$8.1M
Paul Tudor Jones (Tudor Investment)2017Q1$95.17-9.0%$8.1M
Paul Tudor Jones (Tudor Investment)2017Q1$95.17-9.0%$8.1M
D.E. Shaw & Co.2016Q2$95.30-9.1%$31.1M
AQR Capital Management2016Q1$95.75-9.5%$14.8M
Ken Griffin (Citadel Advisors)2016Q1$96.07-9.8%$2.7M
Ken Griffin (Citadel Advisors)2016Q1$96.07-9.8%$2.7M
Ken Griffin (Citadel Advisors)2016Q1$96.07-9.8%$2.7M
Izzy Englander (Millennium Mgmt)2016Q2$96.33-10.1%$32.8M
Steve Cohen (Point72)2017Q2$98.51-12.1%$372K
Two Sigma Investments2016Q4$99.65-13.1%$33.5M
Renaissance Technologies2016Q4$105.98-18.3%$55.2M
Ray Dalio (Bridgewater Associates)2019Q4$110.13-21.4%$3.7M
Norges Bank (Norway SWF)2016Q1$21535.84-99.6%$186.7M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions4
Added to8
Trimmed2
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
13
$114.81B
2022Q2
12
$170.70B
2022Q3
13
$1.16B
2022Q4
14
$1.55B
2023Q1
16
$1.68B
2023Q2
13
$1.71B
2023Q3
12
$1.68B
2023Q4
11
$1.97B
2024Q1
12
$2.17B
2024Q2
14
$1.91B
2024Q3
11
$450.9M
2024Q4
11
$425.9M
2025Q1
12
$159.8M
2025Q2
13
$376.9M
2025Q3
12
$156.9M
2025Q4
18
$479.1M

Who owns ACM

18 super-investors · 2025Q4
Tracked stake
5.03M
shares
Combined value
$479M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New6Added10Trim2
#ManagerSharesValue
1Norges Bank
Norway SWF
2.16M$205M
2Renaissance Technologies637.6K$61M
3Ken Griffin
Citadel Advisors
514.7K$49M
4Two Sigma Investments387.2K$37M
5Izzy Englander
Millennium Mgmt
378.5K$36M
6D.E. Shaw & Co.358.9K$34M
7T. Rowe Price194.1K$19M
8AQR Capital Management170.8K$16M
9Paul Tudor Jones
Tudor Investment
94.0K$9M
10Ray Dalio
Bridgewater Associates
42.7K$4M
11Ken Griffin
Citadel Advisors
31.4K$3M
12Wellington Management19.1K$2M
13Jeremy Grantham
GMO
16.2K$2M
14Ken Griffin
Citadel Advisors
11.3K$1M
15Steve Cohen
Point72
4.3K$410K
16Paul Tudor Jones
Tudor Investment
4.1K$391K
17Paul Tudor Jones
Tudor Investment
3.2K$305K
18Ken Fisher
Fisher Asset Mgmt
2.3K$221K

Recent moves

20 transactions
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