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Sienna Gestion: AMD position timeline

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

Sienna Gestion held 41,833 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 41,833 shares
    Change vs previous 13F -7,937 shares

    1.34% of the 13F portfolio, value $22,820,398.

    13F-HR 0000945621-26-001042 filed by Sienna Gestion
    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 49,770 shares
    Change vs previous 13F -4,189 shares

    0.64% of the 13F portfolio, value $9,828,818.

    13F-HR 0000945621-26-000712 filed by Sienna Gestion
    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 53,959 shares
    Change vs previous 13F +4,702 shares

    0.69% of the 13F portfolio, value $11,561,722.

    13F-HR 0000945621-26-000314 filed by Sienna Gestion
    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 49,257 shares
    Change vs previous 13F -5,698 shares

    0.51% of the 13F portfolio, value $7,265,958.

    13F-HR 0000945621-25-001073 filed by Sienna Gestion
    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 54,955 shares
    Change vs previous 13F +5,463 shares

    0.49% of the 13F portfolio, value $7,119,584.

    13F-HR 0000945621-25-000651 filed by Sienna Gestion
    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 49,492 shares
    Change vs previous 13F -5,556 shares

    0.4% of the 13F portfolio, value $4,942,648.

    13F-HR 0000945621-25-000460 filed by Sienna Gestion
    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 55,048 shares
    Change vs previous 13F -64,681 shares

    0.45% of the 13F portfolio, value $6,648,285.

    13F-HR 0000945621-25-000148 filed by Sienna Gestion
    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 119,729 shares
    Change vs previous 13F not available

    1.31% of the 13F portfolio, value $19,597,614.

    13F-HR 0000945621-24-000939 filed by Sienna Gestion
    Filed (acceptance time not in the bulk data set), ingested

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