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MILLENNIUM MANAGEMENT LLC: AMTM position timeline

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

MILLENNIUM MANAGEMENT LLC held 2,127,779 AMTM 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 2,127,779 shares
    Change vs previous 13F +1,496,724 shares

    0.03% of the 13F portfolio, value $43,981,192.

    13F-HR 0001273087-26-000007 filed by MILLENNIUM 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 631,055 shares
    Change vs previous 13F -4,035,160 shares

    0.01% of the 13F portfolio, value $16,457,914.

    13F-HR 0001273087-26-000004 filed by MILLENNIUM 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 ended2025-06-30
    13F 4,666,215 shares
    Change vs previous 13F +2,654,423 shares

    0.1% of the 13F portfolio, value $110,169,336.

    13F-HR 0001273087-25-000028 filed by MILLENNIUM 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 ended2025-03-31
    13F 2,011,792 shares
    Change vs previous 13F +815,218 shares

    0.04% of the 13F portfolio, value $36,614,614.

    13F-HR 0001273087-25-000019 filed by MILLENNIUM 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 ended2024-12-31
    13F 1,196,574 shares
    Change vs previous 13F +524,807 shares

    0.02% of the 13F portfolio, value $25,163,951.

    13F-HR 0001273087-25-000015 filed by MILLENNIUM 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 ended2024-09-30
    13F 671,767 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $21,664,486.

    13F-HR 0001273087-24-000118 filed by MILLENNIUM MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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