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Disclosery

GSA CAPITAL PARTNERS LLP: AMT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GSA CAPITAL PARTNERS LLP on AMT, newest first. How the timeline and the estimate are built.

GSA CAPITAL PARTNERS LLP held 25,531 AMT 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 25,531 shares
    Change vs previous 13F +11,653 shares

    0.26% of the 13F portfolio, value $4,176,000.

    13F-HR 0001362033-26-000006 filed by GSA CAPITAL PARTNERS LLP
    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 13,878 shares
    Change vs previous 13F +4,299 shares

    0.15% of the 13F portfolio, value $2,395,000.

    13F-HR 0001362033-26-000005 filed by GSA CAPITAL PARTNERS LLP
    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 9,579 shares
    Change vs previous 13F +4,389 shares

    0.14% of the 13F portfolio, value $1,682,000.

    13F-HR 0001362033-26-000001 filed by GSA CAPITAL PARTNERS LLP
    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 5,190 shares
    Change vs previous 13F -5,705 shares

    0.08% of the 13F portfolio, value $998,000.

    13F-HR 0001362033-25-000016 filed by GSA CAPITAL PARTNERS LLP
    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 10,895 shares
    Change vs previous 13F +7,093 shares

    0.17% of the 13F portfolio, value $2,408,000.

    13F-HR 0001362033-25-000007 filed by GSA CAPITAL PARTNERS LLP
    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 3,802 shares
    Change vs previous 13F -14,926 shares

    0.07% of the 13F portfolio, value $827,000.

    13F-HR 0001362033-25-000006 filed by GSA CAPITAL PARTNERS LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 18,728 shares
    Change vs previous 13F +18,728 shares

    0.25% of the 13F portfolio, value $3,435,000.

    13F-HR 0001362033-25-000005 filed by GSA CAPITAL PARTNERS LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 0 shares
    Change vs previous 13F not available

    13F-HR 0001362033-24-000011 filed by GSA CAPITAL PARTNERS LLP
    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.