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Disclosery

Rock Springs Capital Management LP: DXCM position timeline

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

Rock Springs Capital Management LP held 343,000 DXCM shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 343,000 shares
    Change vs previous 13F -12,600 shares

    1.13% of the 13F portfolio, value $23,101,050.

    13F-HR 0001172661-26-003527 filed by Rock Springs Capital Management LP
    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 355,600 shares
    Change vs previous 13F +8,300 shares

    1.32% of the 13F portfolio, value $22,331,680.

    13F-HR 0001172661-26-002225 filed by Rock Springs Capital Management LP
    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 347,300 shares
    Change vs previous 13F +30,400 shares

    1.18% of the 13F portfolio, value $23,050,301.

    13F-HR 0001172661-26-000917 filed by Rock Springs Capital Management LP
    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 316,900 shares
    Change vs previous 13F +30,150 shares

    1.25% of the 13F portfolio, value $21,324,201.

    13F-HR 0001172661-25-004882 filed by Rock Springs Capital Management LP
    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 286,750 shares
    Change vs previous 13F -110,900 shares

    1.56% of the 13F portfolio, value $25,030,408.

    13F-HR 0001172661-25-003273 filed by Rock Springs Capital Management LP
    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 397,650 shares
    Change vs previous 13F +44,650 shares

    1.55% of the 13F portfolio, value $27,155,519.

    13F-HR 0001172661-25-001953 filed by Rock Springs Capital Management LP
    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 353,000 shares
    Change vs previous 13F -171,000 shares

    1.05% of the 13F portfolio, value $27,452,810.

    13F-HR 0001172661-25-000867 filed by Rock Springs Capital Management LP
    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 524,000 shares
    Change vs previous 13F not available

    1.14% of the 13F portfolio, value $35,128,960.

    13F-HR 0001172661-24-004721 filed by Rock Springs Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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