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CITADEL ADVISORS LLC: TNDM position timeline

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

CITADEL ADVISORS LLC held 1,735,879 TNDM 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 1,735,879 shares
    Change vs previous 13F -456,788 shares

    0.02% of the 13F portfolio, value $26,194,414.

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

  2. period ended2026-03-31
    13F 2,192,667 shares
    Change vs previous 13F +104,064 shares

    0.03% of the 13F portfolio, value $42,033,426.

    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 2,088,603 shares
    Change vs previous 13F +2,048,802 shares

    0.03% of the 13F portfolio, value $45,907,494.

    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 39,801 shares
    Change vs previous 13F -313,158 shares

    <0.01% of the 13F portfolio, value $483,184.

    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 352,959 shares
    Change vs previous 13F +238,925 shares

    0.01% of the 13F portfolio, value $6,579,156.

    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 114,034 shares
    Change vs previous 13F -17,792 shares

    <0.01% of the 13F portfolio, value $2,184,891.

    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 131,826 shares
    Change vs previous 13F -215,997 shares

    <0.01% of the 13F portfolio, value $4,748,373.

    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 347,823 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $14,751,173.

    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).