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Sienna Gestion: AMP position timeline

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

Sienna Gestion held 29,403 AMP 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 29,403 shares
    Change vs previous 13F -3,559 shares

    0.78% of the 13F portfolio, value $13,283,603.

    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 32,962 shares
    Change vs previous 13F -110 shares

    0.95% of the 13F portfolio, value $14,558,036.

    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 33,072 shares
    Change vs previous 13F +3,322 shares

    0.97% of the 13F portfolio, value $16,271,753.

    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 29,750 shares
    Change vs previous 13F 0 shares

    0.93% of the 13F portfolio, value $13,324,864.

    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 29,750 shares
    Change vs previous 13F +2,934 shares

    1% of the 13F portfolio, value $14,496,849.

    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 26,816 shares
    Change vs previous 13F -3,144 shares

    1.02% of the 13F portfolio, value $12,618,948.

    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 29,960 shares
    Change vs previous 13F -1,410 shares

    1.08% of the 13F portfolio, value $15,949,292.

    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 31,370 shares
    Change vs previous 13F not available

    0.98% of the 13F portfolio, value $14,702,290.

    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).