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Baldwin Investment Management, LLC: AMT position timeline

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

Baldwin Investment Management, LLC held 10,619 AMT shares at 2026-06-30 per its 13F-HR filed 2026-07-28.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 10,619 shares
    Change vs previous 13F +143 shares

    0.17% of the 13F portfolio, value $1,736,986.

    13F-HR 0001346378-26-000003 filed by Baldwin Investment 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 10,476 shares
    Change vs previous 13F +175 shares

    0.21% of the 13F portfolio, value $1,807,944.

    13F-HR 0001346378-26-000002 filed by Baldwin Investment 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 10,301 shares
    Change vs previous 13F -3,014 shares

    0.2% of the 13F portfolio, value $1,808,503.

    13F-HR 0001346378-26-000001 filed by Baldwin Investment 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 13,315 shares
    Change vs previous 13F +1 shares

    0.29% of the 13F portfolio, value $2,560,653.

    13F-HR 0001346378-25-000009 filed by Baldwin Investment 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 13,314 shares
    Change vs previous 13F 0 shares

    0.36% of the 13F portfolio, value $2,942,740.

    13F-HR 0001346378-25-000004 filed by Baldwin Investment 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 13,314 shares
    Change vs previous 13F +114 shares

    0.35% of the 13F portfolio, value $2,897,164.

    13F-HR 0001346378-25-000002 filed by Baldwin Investment 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 13,200 shares
    Change vs previous 13F -121 shares

    0.32% of the 13F portfolio, value $2,421,006.

    13F-HR 0001346378-25-000001 filed by Baldwin Investment 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 13,321 shares
    Change vs previous 13F not available

    0.39% of the 13F portfolio, value $3,097,887.

    13F-HR 0001346378-24-000009 filed by Baldwin Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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