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MILLENNIUM MANAGEMENT LLC: AMT position timeline

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

MILLENNIUM MANAGEMENT LLC held 2,190,378 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 2,190,378 shares
    Change vs previous 13F +1,169,000 shares

    0.24% of the 13F portfolio, value $358,280,129.

    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 1,021,378 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $176,269,415.

    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).