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MARSICO CAPITAL MANAGEMENT LLC: ARM position timeline

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

MARSICO CAPITAL MANAGEMENT LLC held 24,460 ARM 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 24,460 shares
    Change vs previous 13F -8,390 shares

    0.23% of the 13F portfolio, value $8,672,782.

    13F-HR 0001398344-26-014278 filed by MARSICO 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 32,850 shares
    Change vs previous 13F +32,850 shares

    0.15% of the 13F portfolio, value $4,969,548.

    13F-HR 0001398344-26-009045 filed by MARSICO 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 0 shares
    Change vs previous 13F -74,378 shares

    13F-HR 0001398344-26-002815 filed by MARSICO CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  4. period ended2025-09-30
    13F 74,378 shares
    Change vs previous 13F +7,108 shares

    0.27% of the 13F portfolio, value $10,523,743.

    13F-HR 0001398344-25-020776 filed by MARSICO 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 67,270 shares
    Change vs previous 13F -140,380 shares

    0.3% of the 13F portfolio, value $10,880,250.

    13F-HR 0001398344-25-014999 filed by MARSICO 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 207,650 shares
    Change vs previous 13F -8,903 shares

    0.76% of the 13F portfolio, value $22,174,943.

    13F-HR 0001398344-25-009330 filed by MARSICO 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 216,553 shares
    Change vs previous 13F +13,599 shares

    0.73% of the 13F portfolio, value $26,713,978.

    13F-HR 0001398344-25-002660 filed by MARSICO 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 202,954 shares
    Change vs previous 13F not available

    0.81% of the 13F portfolio, value $29,024,452.

    13F-HR 0001398344-24-020420 filed by MARSICO CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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