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LOOMIS SAYLES & CO L P: AMG position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of LOOMIS SAYLES & CO L P on AMG, newest first. How the timeline and the estimate are built.

LOOMIS SAYLES & CO L P held 103,094 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 103,094 shares
    Change vs previous 13F +17,149 shares

    0.04% of the 13F portfolio, value $34,886,939.

    13F-HR 0000312348-26-000034 filed by LOOMIS SAYLES & CO L P
    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 85,945 shares
    Change vs previous 13F +11,665 shares

    0.03% of the 13F portfolio, value $23,780,854.

    13F-HR 0000312348-26-000026 filed by LOOMIS SAYLES & CO L P
    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 74,280 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $21,413,438.

    13F-HR 0000312348-26-000014 filed by LOOMIS SAYLES & CO L P
    Filed (acceptance time not in the bulk data set), ingested

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