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Disclosery

J. Stern & Co. LLP: AMT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of J. Stern & Co. LLP on AMT, newest first. How the timeline and the estimate are built.

J. Stern & Co. LLP held 211,680 AMT shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 211,680 shares
    Change vs previous 13F -4,297 shares

    3.27% of the 13F portfolio, value $34,624,498.

    13F-HR 0002011335-26-000004 filed by J. Stern & Co. LLP
    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 215,977 shares
    Change vs previous 13F -37,471,001 shares

    3.61% of the 13F portfolio, value $37,273,311.

    13F-HR 0002011335-26-000003 filed by J. Stern & Co. LLP
    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/A 37,686,978 shares
    Change vs previous 13F +37,553,436 shares

    3.21% of the 13F portfolio, value $37,686,978,000.

    13F-HR/A 0002011335-26-000002 filed by J. Stern & Co. LLP
    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 133,542 shares
    Change vs previous 13F -3,647 shares

    1.94% of the 13F portfolio, value $25,682,797.

    13F-HR 0002011335-25-000006 filed by J. Stern & Co. LLP
    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 137,189 shares
    Change vs previous 13F +1,792 shares

    2.52% of the 13F portfolio, value $29,527,638.

    13F-HR 0002011335-25-000003 filed by J. Stern & Co. LLP
    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 135,397 shares
    Change vs previous 13F +12,821 shares

    2.82% of the 13F portfolio, value $29,462,171.

    13F-HR 0002011335-25-000002 filed by J. Stern & Co. LLP
    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 122,576 shares
    Change vs previous 13F +6,118 shares

    2.12% of the 13F portfolio, value $22,481,664.

    13F-HR 0002011335-25-000001 filed by J. Stern & Co. LLP
    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 116,458 shares
    Change vs previous 13F not available

    2.89% of the 13F portfolio, value $27,083,472.

    13F-HR 0002011335-24-000005 filed by J. Stern & Co. LLP
    Filed (acceptance time not in the bulk data set), ingested

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