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CITADEL ADVISORS LLC: OSUR position timeline

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

CITADEL ADVISORS LLC held 101,958 OSUR shares at 2026-06-30 per its 13F-HR/A filed 2026-09-02.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 101,958 shares
    Change vs previous 13F +46,652 shares

    <0.01% of the 13F portfolio, value $454,733.

    13F-HR/A 0001104659-26-104387 filed by CITADEL ADVISORS LLC
    Accepted , ingested

  2. period ended2026-03-31
    13F 55,306 shares
    Change vs previous 13F -338,387 shares

    <0.01% of the 13F portfolio, value $165,918.

    13F-HR 0001104659-26-062477 filed by CITADEL ADVISORS 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 393,693 shares
    Change vs previous 13F +121,728 shares

    <0.01% of the 13F portfolio, value $952,737.

    13F-HR 0001104659-26-016408 filed by CITADEL ADVISORS 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 271,965 shares
    Change vs previous 13F +13,275 shares

    <0.01% of the 13F portfolio, value $873,008.

    13F-HR 0001104659-25-112514 filed by CITADEL ADVISORS 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 258,690 shares
    Change vs previous 13F -862,241 shares

    <0.01% of the 13F portfolio, value $776,070.

    13F-HR 0001104659-25-078555 filed by CITADEL ADVISORS 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 1,120,931 shares
    Change vs previous 13F -158,416 shares

    <0.01% of the 13F portfolio, value $3,777,537.

    13F-HR 0000950123-25-005687 filed by CITADEL ADVISORS 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 1,279,347 shares
    Change vs previous 13F +229,176 shares

    <0.01% of the 13F portfolio, value $4,618,443.

    13F-HR 0000950123-25-002739 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 1,050,171 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $4,484,230.

    13F-HR 0000950123-24-011767 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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