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ACADIAN ASSET MANAGEMENT LLC: OSUR position timeline

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

ACADIAN ASSET MANAGEMENT LLC held 2,022,119 OSUR 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 2,022,119 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $9,016,000.

    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 2,022,119 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $6,064,000.

    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 2,022,119 shares
    Change vs previous 13F -102,807 shares

    0.01% of the 13F portfolio, value $4,891,000.

    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 2,124,926 shares
    Change vs previous 13F -67,101 shares

    0.01% of the 13F portfolio, value $6,819,000.

    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 2,192,027 shares
    Change vs previous 13F -563,239 shares

    0.01% of the 13F portfolio, value $6,574,000.

    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 2,755,266 shares
    Change vs previous 13F -144,452 shares

    0.03% of the 13F portfolio, value $9,279,000.

    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 2,899,718 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $10,465,000.

    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).