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TUDOR INVESTMENT CORP ET AL: AMG position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TUDOR INVESTMENT CORP ET AL on AMG, newest first. How the timeline and the estimate are built.

TUDOR INVESTMENT CORP ET AL held 11,687 AMG 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 11,687 shares
    Change vs previous 13F -217 shares

    0.02% of the 13F portfolio, value $3,954,881.

    13F-HR 0000902664-26-003485 filed by TUDOR INVESTMENT CORP ET AL
    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 11,904 shares
    Change vs previous 13F +11,904 shares

    0.02% of the 13F portfolio, value $3,293,837.

    13F-HR 0000902664-26-002516 filed by TUDOR INVESTMENT CORP ET AL
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F/A 0 shares
    Change vs previous 13F -16,498 shares

    13F-HR/A 0000902664-25-005239 filed by TUDOR INVESTMENT CORP ET AL
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  4. period ended2025-06-30
    13F 16,498 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $3,246,311.

    13F-HR 0000902664-25-003613 filed by TUDOR INVESTMENT CORP ET AL
    Filed (acceptance time not in the bulk data set), ingested

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