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Stephens Investment Management Group LLC: AMT position timeline

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

Stephens Investment Management Group LLC held 61,576 AMT shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 61,576 shares
    Change vs previous 13F -380 shares

    0.11% of the 13F portfolio, value $10,088,238.

    13F-HR 0000757657-26-000017 filed by STEPHENS INC /AR/
    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 61,956 shares
    Change vs previous 13F +638 shares

    0.13% of the 13F portfolio, value $10,692,424.

    13F-HR 0000757657-26-000013 filed by STEPHENS INC /AR/
    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 61,318 shares
    Change vs previous 13F -11,659 shares

    0.13% of the 13F portfolio, value $10,765,656.

    13F-HR 0000757657-26-000003 filed by STEPHENS INC /AR/
    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 72,977 shares
    Change vs previous 13F +1,239 shares

    0.18% of the 13F portfolio, value $14,054,143.

    13F-HR 0000757657-25-000022 filed by STEPHENS INC /AR/
    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 71,738 shares
    Change vs previous 13F -32 shares

    0.22% of the 13F portfolio, value $15,855,504.

    13F-HR 0000757657-25-000019 filed by STEPHENS INC /AR/
    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 71,770 shares
    Change vs previous 13F +2,619 shares

    0.23% of the 13F portfolio, value $15,617,187.

    13F-HR 0000757657-25-000012 filed by STEPHENS INC /AR/
    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 69,151 shares
    Change vs previous 13F -2,224 shares

    0.18% of the 13F portfolio, value $12,683,009.

    13F-HR 0000757657-25-000004 filed by STEPHENS INC /AR/
    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 71,375 shares
    Change vs previous 13F not available

    0.24% of the 13F portfolio, value $16,598,934.

    13F-HR 0001314440-24-000016 filed by STEPHENS INC /AR/
    Filed (acceptance time not in the bulk data set), ingested

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