Skip to content
Disclosery

Benchstone Capital Management LP: AMT position timeline

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

Benchstone Capital Management LP held 111,270 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 111,270 shares
    Change vs previous 13F +111,270 shares

    2.27% of the 13F portfolio, value $18,200,434.

    13F-HR 0001420506-26-001739 filed by Benchstone Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -155,638 shares

    13F-HR 0001420506-26-000483 filed by Benchstone Capital Management LP
    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.

  3. period ended2025-09-30
    13F 155,638 shares
    Change vs previous 13F +35,667 shares

    4.08% of the 13F portfolio, value $29,932,300.

    13F-HR 0001420506-25-003288 filed by Benchstone Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 119,971 shares
    Change vs previous 13F -106,632 shares

    2.34% of the 13F portfolio, value $26,515,990.

    13F-HR 0001420506-25-002096 filed by Benchstone Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 226,603 shares
    Change vs previous 13F +6,519 shares

    5.24% of the 13F portfolio, value $49,308,813.

    13F-HR 0001420506-25-001254 filed by Benchstone Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 220,084 shares
    Change vs previous 13F not available

    4.17% of the 13F portfolio, value $40,365,606.

    13F-HR 0001420506-25-000509 filed by Benchstone Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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