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ACADIAN ASSET MANAGEMENT LLC: STM position timeline

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

ACADIAN ASSET MANAGEMENT LLC held 1,008,207 STM 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 1,008,207 shares
    Change vs previous 13F +1,005,540 shares

    0.09% of the 13F portfolio, value $75,472,000.

    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 2,667 shares
    Change vs previous 13F -772,226 shares

    <0.01% of the 13F portfolio, value $91,000.

    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).

  3. period ended2025-12-31
    13F 774,893 shares
    Change vs previous 13F -1,526,729 shares

    0.03% of the 13F portfolio, value $20,092,000.

    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 2,301,622 shares
    Change vs previous 13F +359,775 shares

    0.11% of the 13F portfolio, value $65,023,000.

    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 1,941,847 shares
    Change vs previous 13F -3,708,397 shares

    0.12% of the 13F portfolio, value $59,033,000.

    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 5,650,244 shares
    Change vs previous 13F +3,375,428 shares

    0.35% of the 13F portfolio, value $124,055,000.

    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 2,274,816 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $56,783,000.

    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).