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Legato Capital Management LLC: AMPX position timeline

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

Legato Capital Management LLC held 118,793 AMPX shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 118,793 shares
    Change vs previous 13F -109,705 shares

    0.14% of the 13F portfolio, value $1,646,471.

    13F-HR 0001821268-26-000123 filed by Legato Capital 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 228,498 shares
    Change vs previous 13F +23,851 shares

    0.35% of the 13F portfolio, value $3,852,476.

    13F-HR 0001821268-26-000085 filed by Legato Capital 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 ended2025-12-31
    13F 204,647 shares
    Change vs previous 13F -46,621 shares

    0.14% of the 13F portfolio, value $1,614,665.

    13F-HR 0001821268-26-000033 filed by Legato Capital 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 ended2025-09-30
    13F 251,268 shares
    Change vs previous 13F -25,606 shares

    0.29% of the 13F portfolio, value $2,643,340.

    13F-HR 0001528621-25-001176 filed by Legato Capital 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 ended2025-06-30
    13F 276,874 shares
    Change vs previous 13F -679 shares

    0.14% of the 13F portfolio, value $1,165,640.

    13F-HR 0001528621-25-000842 filed by Legato Capital 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 ended2025-03-31
    13F 277,553 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $743,842.

    13F-HR 0001821268-25-000098 filed by Legato Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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