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ACADIAN ASSET MANAGEMENT LLC: MAS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ACADIAN ASSET MANAGEMENT LLC on MAS, newest first. How the timeline and the estimate are built.

ACADIAN ASSET MANAGEMENT LLC held 7,407 MAS shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 7,407 shares
    Change vs previous 13F +7,407 shares

    <0.01% of the 13F portfolio, value $601,000.

    13F-HR 0001140361-26-032657 filed by ACADIAN ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -154,202 shares

    13F-HR 0001140361-26-020957 filed by ACADIAN ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  3. period ended2025-12-31
    13F 154,202 shares
    Change vs previous 13F -270,424 shares

    0.02% of the 13F portfolio, value $9,781,000.

    13F-HR 0001140361-26-004564 filed by ACADIAN ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 424,626 shares
    Change vs previous 13F -15,690 shares

    0.05% of the 13F portfolio, value $29,883,000.

    13F-HR 0001140361-25-041908 filed by ACADIAN ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 440,316 shares
    Change vs previous 13F +209,279 shares

    0.06% of the 13F portfolio, value $28,333,000.

    13F-HR 0001140361-25-029365 filed by ACADIAN ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 231,037 shares
    Change vs previous 13F -49,163 shares

    0.05% of the 13F portfolio, value $16,063,000.

    13F-HR 0001135428-25-000021 filed by ACADIAN ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 280,200 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $20,327,000.

    13F-HR 0001135428-25-000010 filed by ACADIAN ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).