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Acadian Asset Management Inc.

AAMI
Exchange
NYSE
Industry
Investment Advice
SEC CIK
0001748824

In the last 90 days, Acadian Asset Management Inc. insiders filed 0 open-market purchases and 1 sale; 302 institutions reported holding it in 13F filings for Q2 2026, worth $2.58B in total; Soros Fund Management is the only superinvestor holding it.

Superinvestors holding AAMI, Q2 2026

1 superinvestor reports holding Acadian Asset Management Inc. on Form 13F, worth $43.6M in total. Weight is Acadian Asset Management Inc.'s share of each 13F portfolio; actions compare shares with Q1 2026.

See all superinvestors
Superinvestors holding AAMI in Q2 2026
Superinvestor% of portfolioSharesValuevs. previous quarter
Soros Fund ManagementGeorge Soros0.6%610,248$43.6MReduced−5.9%

Moves by quarter

Superinvestors that opened, added to, trimmed or sold out of AAMI 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

    1 superinvestor holding at quarter end

    Reduced
    Soros Fund Management (−5.9%)
  2. Q1 2026

    1 superinvestor holding at quarter end

    Reduced
    Soros Fund Management (−12.0%)
  3. Q4 2025

    1 superinvestor holding at quarter end

    Added
    Soros Fund Management (+61.3%)
  4. Q3 2025

    1 superinvestor holding at quarter end

    Added
    Soros Fund Management (+10.0%)
    Sold out
    Maverick Capital
  5. Q2 2025

    2 superinvestors holding at quarter end

    Added
    Soros Fund Management (+20.0%)
  6. Q1 2025

    2 superinvestors holding at quarter end

    Added
    Maverick Capital (+182.0%)
  7. Q4 2024

    2 superinvestors holding at quarter end

    New
    Maverick Capital
  8. Q3 2024

    1 superinvestor holding at quarter end

    Sold out
    Maverick Capital
  9. Q2 2024

    2 superinvestors holding at quarter end

    New
    Maverick Capital
  10. Q4 2023

    1 superinvestor holding at quarter end

    Reduced
    Soros Fund Management (0.0%)
  11. Q3 2023

    1 superinvestor holding at quarter end

    Added
    Soros Fund Management (+40.6%)
  12. Q2 2023

    1 superinvestor holding at quarter end

    Sold out
    Maverick Capital
  13. Q1 2023

    2 superinvestors holding at quarter end

    New
    Maverick Capital
  14. Q4 2022

    1 superinvestor holding at quarter end

    Sold out
    Maverick Capital
  15. Q3 2022

    2 superinvestors holding at quarter end

    New
    Maverick Capital
  16. Q1 2022

    1 superinvestor holding at quarter end

    Sold out
    Maverick Capital
  17. Q4 2021

    2 superinvestors holding at quarter end

    Reduced
    Soros Fund Management (−59.5%), Maverick Capital (−90.0%)
  18. Q3 2021

    2 superinvestors holding at quarter end

    Reduced
    Maverick Capital (−21.3%)
  19. Q2 2021

    2 superinvestors holding at quarter end

    Added
    Maverick Capital (+20.1%)