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Aecom

ACM
Exchange
NYSE
Industry
Services-Engineering Services
SEC CIK
0000868857

No open-market purchases or sales by Aecom insiders were filed in the last 90 days; 576 institutions reported holding it in 13F filings for Q2 2026, worth $8.34B in total; no superinvestor holds it.

Superinvestors holding ACM, Q2 2026

See all superinvestors

No superinvestor reported holding ACM in Q2 2026.

Moves by quarter

Superinvestors that opened, added to, trimmed or sold out of ACM each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.

  1. Q2 2026

    0 superinvestors holding at quarter end

    Sold out
    Maverick Capital
  2. Q1 2026

    1 superinvestor holding at quarter end

    New
    Maverick Capital
  3. Q3 2024

    0 superinvestors holding at quarter end

    Sold out
    Starboard Value
  4. Q2 2024

    1 superinvestor holding at quarter end

    Reduced
    Starboard Value (−27.2%)
  5. Q1 2024

    1 superinvestor holding at quarter end

    Reduced
    Starboard Value (−52.5%)
  6. Q4 2023

    1 superinvestor holding at quarter end

    Reduced
    Starboard Value (−37.4%)
  7. Q3 2023

    1 superinvestor holding at quarter end

    Reduced
    Starboard Value (−23.6%)
  8. Q2 2023

    1 superinvestor holding at quarter end

    Reduced
    Starboard Value (−29.8%)
  9. Q1 2023

    1 superinvestor holding at quarter end

    Reduced
    Starboard Value (−22.8%)
  10. Q3 2022

    1 superinvestor holding at quarter end

    Reduced
    Starboard Value (−0.7%)
  11. Q2 2022

    1 superinvestor holding at quarter end

    Reduced
    Starboard Value (−1.0%)
  12. Q1 2022

    1 superinvestor holding at quarter end

    Reduced
    Starboard Value (−1.9%)
  13. Q4 2021

    1 superinvestor holding at quarter end

    Reduced
    Starboard Value (−1.3%)
    Sold out
    Maverick Capital
  14. Q3 2021

    2 superinvestors holding at quarter end

    New
    Maverick Capital
    Reduced
    Starboard Value (−1.3%)
  15. Q2 2021

    1 superinvestor holding at quarter end

    Reduced
    Starboard Value (−4.9%)