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Disclosery

Elefante Mark B: AMD position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Elefante Mark B on AMD, newest first. How the timeline and the estimate are built.

Elefante Mark B held 29,694 AMD 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 29,694 shares
    Change vs previous 13F +2,235 shares

    7.43% of the 13F portfolio, value $17,249,542.

    13F-HR 0001661535-26-000003 filed by Elefante Mark B
    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 27,459 shares
    Change vs previous 13F +1,544 shares

    3.07% of the 13F portfolio, value $5,585,985.

    13F-HR 0001661535-26-000002 filed by Elefante Mark B
    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 25,915 shares
    Change vs previous 13F -1,740 shares

    3.4% of the 13F portfolio, value $5,549,956.

    13F-HR 0001661535-26-000001 filed by Elefante Mark B
    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 27,655 shares
    Change vs previous 13F +1,360 shares

    2.86% of the 13F portfolio, value $4,474,303.

    13F-HR 0001661535-25-000004 filed by Elefante Mark B
    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 26,295 shares
    Change vs previous 13F -2,221 shares

    2.8% of the 13F portfolio, value $3,731,260.

    13F-HR 0001661536-25-000004 filed by Elefante Mark B
    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 28,516 shares
    Change vs previous 13F +5,375 shares

    2.32% of the 13F portfolio, value $2,929,734.

    13F-HR 0001661535-25-000001 filed by Elefante Mark B
    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 23,141 shares
    Change vs previous 13F not available

    2.55% of the 13F portfolio, value $2,795,201.

    13F-HR 0001661536-25-000002 filed by Elefante Mark B
    Filed (acceptance time not in the bulk data set), ingested

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