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OSTRUM ASSET MANAGEMENT: AMT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of OSTRUM ASSET MANAGEMENT on AMT, newest first. How the timeline and the estimate are built.

OSTRUM ASSET MANAGEMENT held 5,701 AMT 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 5,701 shares
    Change vs previous 13F -4,174 shares

    0.04% of the 13F portfolio, value $932,513.

    13F-HR 0001104659-26-095882 filed by OSTRUM ASSET MANAGEMENT
    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 9,875 shares
    Change vs previous 13F -10,055 shares

    0.1% of the 13F portfolio, value $1,704,228.

    13F-HR 0001104659-26-061164 filed by OSTRUM ASSET MANAGEMENT
    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 19,930 shares
    Change vs previous 13F +1,374 shares

    0.17% of the 13F portfolio, value $3,499,110.

    13F-HR 0001104659-26-015183 filed by OSTRUM ASSET MANAGEMENT
    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 18,556 shares
    Change vs previous 13F +384 shares

    0.16% of the 13F portfolio, value $3,568,690.

    13F-HR 0001104659-25-111991 filed by OSTRUM ASSET MANAGEMENT
    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 18,172 shares
    Change vs previous 13F +1,953 shares

    0.19% of the 13F portfolio, value $4,016,375.

    13F-HR 0001104659-25-077550 filed by OSTRUM ASSET MANAGEMENT
    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 16,219 shares
    Change vs previous 13F +2,239 shares

    0.19% of the 13F portfolio, value $3,529,254.

    13F-HR 0001104659-25-048517 filed by OSTRUM ASSET MANAGEMENT
    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 13,980 shares
    Change vs previous 13F +2,486 shares

    0.22% of the 13F portfolio, value $2,564,072.

    13F-HR 0001104659-25-012937 filed by OSTRUM ASSET MANAGEMENT
    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 11,494 shares
    Change vs previous 13F not available

    0.22% of the 13F portfolio, value $2,673,045.

    13F-HR 0001104659-24-117692 filed by OSTRUM ASSET MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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