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Mainstream Capital Management LLC: AMD position timeline

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

Mainstream Capital Management LLC held 4,030 AMD shares at 2026-06-30 per its 13F-HR filed 2026-07-15.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,030 shares
    Change vs previous 13F +859 shares

    1.41% of the 13F portfolio, value $2,341,067.

    13F-HR 0002043084-26-000003 filed by Mainstream 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 3,171 shares
    Change vs previous 13F 0 shares

    0.43% of the 13F portfolio, value $645,077.

    13F-HR 0002043084-26-000002 filed by Mainstream 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 3,171 shares
    Change vs previous 13F -141 shares

    0.44% of the 13F portfolio, value $679,101.

    13F-HR 0002043084-26-000001 filed by Mainstream 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 3,312 shares
    Change vs previous 13F -69 shares

    0.36% of the 13F portfolio, value $535,848.

    13F-HR 0002043084-25-000006 filed by Mainstream 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 3,381 shares
    Change vs previous 13F -472 shares

    0.35% of the 13F portfolio, value $479,764.

    13F-HR 0002043084-25-000004 filed by Mainstream 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 3,853 shares
    Change vs previous 13F -84 shares

    0.31% of the 13F portfolio, value $395,857.

    13F-HR 0002043084-25-000002 filed by Mainstream 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 3,937 shares
    Change vs previous 13F -55 shares

    0.33% of the 13F portfolio, value $475,550.

    13F-HR 0002043084-25-000001 filed by Mainstream 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 3,992 shares
    Change vs previous 13F not available

    0.56% of the 13F portfolio, value $655,007.

    13F-HR 0002043084-24-000002 filed by Mainstream Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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