Ticker · CUSIP 00766T100

ACM

AECOM
Industrials·Engineering & Construction
···Share
Holders (tracked)
18
Combined shares
5,026,118
Combined value
$460.66M
Last close
$85.63
Quarter
2025Q4
Tracked holders · last 8 quarters
+6 vs previous quarter over the last 8.
18122024Q12025Q4
Price is -6.6% 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
    13F
  2. Ken Griffin (Citadel Advisors) added2026-02-17
    +430,049 shares · 2025Q4
    13F
  3. AQR Capital Management trimmed2026-02-17
    −1,460 shares · 2025Q4
    13F
  4. D.E. Shaw & Co. added2026-02-17
    +357,110 shares · 2025Q4
    13F
  5. T. Rowe Price added2026-02-17
    +18,638 shares · 2025Q4
    13F
  6. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +94,016 shares · 2025Q4
    13F
  7. Wellington Management added2026-02-17
    +1,446 shares · 2025Q4
    13F
  8. Two Sigma Investments added2026-02-17
    +218,400 shares · 2025Q4
    13F
  9. Izzy Englander (Millennium Mgmt) added2026-02-17
    +345,012 shares · 2025Q4
    13F
  10. Steve Cohen (Point72) opened position2026-02-17
    +4,300 shares · 2025Q4
    13F
  11. Ray Dalio (Bridgewater Associates) trimmed2026-02-13
    −15,400 shares · 2025Q4
    13F
  12. Renaissance Technologies added2026-02-12
    +187,600 shares · 2025Q4
    13F
  13. Norges Bank (Norway SWF) opened position2026-02-10
    +2,155,657 shares · 2025Q4
    13F
  14. Ken Fisher (Fisher Asset Mgmt) added2026-02-09
    +179 shares · 2025Q4
    13F
  15. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −306,897 shares · 2025Q3
    13F
  16. Steve Cohen (Point72) exited2025-11-14
    −22,829 shares · 2025Q3
    13F
  17. Two Sigma Investments added2025-11-14
    +59,552 shares · 2025Q3
    13F
  18. D.E. Shaw & Co. trimmed2025-11-14
    −11,598 shares · 2025Q3
    13F
  19. T. Rowe Price added2025-11-14
    +26,398 shares · 2025Q3
    13F
  20. Wellington Management added2025-11-14
    +1,546 shares · 2025Q3
    13F
  21. AQR Capital Management trimmed2025-11-14
    −199,140 shares · 2025Q3
    13F
  22. Ray Dalio (Bridgewater Associates) trimmed2025-11-13
    −46,730 shares · 2025Q3
    13F
  23. Renaissance Technologies added2025-11-13
    +187,250 shares · 2025Q3
    13F
  24. Norges Bank (Norway SWF) exited2025-11-13
    −1,779,899 shares · 2025Q3
    13F
  25. Ken Fisher (Fisher Asset Mgmt) opened position2025-11-12
    +2,135 shares · 2025Q3
    13F
  26. Norges Bank (Norway SWF) trimmed2025-11-12
    −1,107 shares · 2024Q3
    13F

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 13F share-delta history. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
T. Rowe Price2016Q1$10.04+752.6%$16.6M
Jeremy Grantham (GMO)2016Q1$30.79+178.1%$1.4M
Ken Fisher (Fisher Asset Mgmt)2021Q1$70.34+21.7%$198K
Wellington Management2016Q1$75.53+13.4%$1.6M
Renaissance Technologies2016Q4$85.01+0.7%$54.6M
Paul Tudor Jones (Tudor Investment)2017Q1$95.10-10.0%$8.1M
Paul Tudor Jones (Tudor Investment)2017Q1$95.10-10.0%$8.1M
Paul Tudor Jones (Tudor Investment)2017Q1$95.10-10.0%$8.1M
D.E. Shaw & Co.2016Q2$95.30-10.1%$30.7M
AQR Capital Management2016Q1$95.75-10.6%$14.6M
Ken Griffin (Citadel Advisors)2016Q1$96.07-10.9%$2.7M
Ken Griffin (Citadel Advisors)2016Q1$96.07-10.9%$2.7M
Ken Griffin (Citadel Advisors)2016Q1$96.07-10.9%$2.7M
Izzy Englander (Millennium Mgmt)2016Q2$96.21-11.0%$32.4M
Steve Cohen (Point72)2017Q2$96.57-11.3%$368K
Two Sigma Investments2016Q4$99.30-13.8%$33.2M
Ray Dalio (Bridgewater Associates)2019Q4$110.13-22.2%$3.7M
Norges Bank (Norway SWF)2016Q1$21535.84-99.6%$184.6M

Who moved on this name in 2025Q4

13F transactions 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
$181.0M
2022Q4
14
$1.48B
2023Q1
16
$1.60B
2023Q2
13
$1.70B
2023Q3
12
$1.67B
2023Q4
11
$1.93B
2024Q1
12
$2.13B
2024Q2
14
$1.90B
2024Q3
11
$439.4M
2024Q4
11
$413.0M
2025Q1
12
$147.1M
2025Q2
13
$360.0M
2025Q3
12
$134.0M
2025Q4
18
$460.7M

Who owns ACM

18 super-investors · 2025Q4
Tracked stake
5.03M
shares
Combined value
$461M
% 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
7AQR Capital Management170.8K$16M
8Paul Tudor Jones
Tudor Investment
94.0K$9M
9Ray Dalio
Bridgewater Associates
42.7K$4M
10Ken Griffin
Citadel Advisors
31.4K$3M
11Wellington Management19.1K$2M
12Jeremy Grantham
GMO
16.2K$2M
13Ken Griffin
Citadel Advisors
11.3K$1M
14Steve Cohen
Point72
4.3K$410K
15Paul Tudor Jones
Tudor Investment
4.1K$391K
16Paul Tudor Jones
Tudor Investment
3.2K$305K
17Ken Fisher
Fisher Asset Mgmt
2.3K$221K
18T. Rowe Price194.1K$19K

Recent moves

20 transactions
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