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Greenfield Seitz Capital Management, LLC: DXCM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Greenfield Seitz Capital Management, LLC on DXCM, newest first. How the timeline and the estimate are built.

Greenfield Seitz Capital Management, LLC held 16,148 DXCM shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 16,148 shares
    Change vs previous 13F -1,054 shares

    0.32% of the 13F portfolio, value $1,087,568.

    13F-HR 0001214659-26-009955 filed by Greenfield Seitz Capital 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 17,202 shares
    Change vs previous 13F -6,662 shares

    0.33% of the 13F portfolio, value $1,080,286.

    13F-HR 0001214659-26-005046 filed by Greenfield Seitz Capital 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 23,864 shares
    Change vs previous 13F -40,317 shares

    0.52% of the 13F portfolio, value $1,583,854.

    13F-HR 0001214659-26-001559 filed by Greenfield Seitz Capital 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 64,181 shares
    Change vs previous 13F +3,387 shares

    1.39% of the 13F portfolio, value $4,318,739.

    13F-HR 0001214659-25-017109 filed by Greenfield Seitz Capital 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 60,794 shares
    Change vs previous 13F +2,042 shares

    1.88% of the 13F portfolio, value $5,306,708.

    13F-HR 0001214659-25-017108 filed by Greenfield Seitz Capital 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 58,752 shares
    Change vs previous 13F -85 shares

    1.53% of the 13F portfolio, value $4,012,174.

    13F-HR 0001214659-25-017107 filed by Greenfield Seitz Capital 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 58,837 shares
    Change vs previous 13F -900 shares

    1.74% of the 13F portfolio, value $4,575,753.

    13F-HR 0001214659-25-017106 filed by Greenfield Seitz Capital Management, 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 59,737 shares
    Change vs previous 13F not available

    1.47% of the 13F portfolio, value $4,004,768.

    13F-HR 0001214659-25-017105 filed by Greenfield Seitz Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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