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Disclosery

RHUMBLINE ADVISERS: AMT position timeline

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

RHUMBLINE ADVISERS held 961,930 AMT shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 961,930 shares
    Change vs previous 13F -33,220 shares

    0.12% of the 13F portfolio, value $157,342,746.

    13F-HR 0001115418-26-000005 filed by RHUMBLINE ADVISERS
    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 995,150 shares
    Change vs previous 13F -9,067 shares

    0.15% of the 13F portfolio, value $171,742,870.

    13F-HR 0001115418-26-000003 filed by RHUMBLINE ADVISERS
    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 1,004,217 shares
    Change vs previous 13F -27,665 shares

    0.14% of the 13F portfolio, value $176,310,251.

    13F-HR 0001115418-26-000002 filed by RHUMBLINE ADVISERS
    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 1,031,882 shares
    Change vs previous 13F -46,907 shares

    0.16% of the 13F portfolio, value $198,451,421.

    13F-HR 0001115418-25-000021 filed by RHUMBLINE ADVISERS
    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 1,078,789 shares
    Change vs previous 13F +2,456 shares

    0.2% of the 13F portfolio, value $238,433,817.

    13F-HR 0001115418-25-000017 filed by RHUMBLINE ADVISERS
    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/A 1,076,333 shares
    Change vs previous 13F -27,356 shares

    0.22% of the 13F portfolio, value $234,209,960.

    13F-HR/A 0001115418-25-000005 filed by RHUMBLINE ADVISERS
    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/A 1,103,689 shares
    Change vs previous 13F -7,415 shares

    0.18% of the 13F portfolio, value $202,427,470.

    13F-HR/A 0001115418-25-000006 filed by RHUMBLINE ADVISERS
    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 1,111,104 shares
    Change vs previous 13F not available

    0.23% of the 13F portfolio, value $258,398,228.

    13F-HR 0001115418-24-000011 filed by RHUMBLINE ADVISERS
    Filed (acceptance time not in the bulk data set), ingested

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