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Thomas J. Herzfeld Advisors, Inc.: BSTZ position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Thomas J. Herzfeld Advisors, Inc. on BSTZ, newest first. How the timeline and the estimate are built.

Thomas J. Herzfeld Advisors, Inc. held 166,033 BSTZ shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 166,033 shares
    Change vs previous 13F +83,361 shares

    1.53% of the 13F portfolio, value $4,985,971.

    13F-HR 0001398344-26-013942 filed by Thomas J. Herzfeld Advisors, Inc.
    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 82,672 shares
    Change vs previous 13F -132,504 shares

    0.62% of the 13F portfolio, value $1,831,185.

    13F-HR 0001398344-26-008954 filed by Thomas J. Herzfeld Advisors, Inc.
    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 215,176 shares
    Change vs previous 13F +5,465 shares

    1.65% of the 13F portfolio, value $4,865,129.

    13F-HR 0001398344-26-003154 filed by Thomas J. Herzfeld Advisors, Inc.
    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 209,711 shares
    Change vs previous 13F +28,401 shares

    1.59% of the 13F portfolio, value $4,647,196.

    13F-HR 0001398344-25-020702 filed by Thomas J. Herzfeld Advisors, Inc.
    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 181,310 shares
    Change vs previous 13F -21,539 shares

    1.34% of the 13F portfolio, value $3,762,183.

    13F-HR 0001398344-25-015319 filed by Thomas J. Herzfeld Advisors, Inc.
    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 202,849 shares
    Change vs previous 13F -23,490 shares

    1.22% of the 13F portfolio, value $3,598,541.

    13F-HR 0001398344-25-009442 filed by Thomas J. Herzfeld Advisors, Inc.
    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 226,339 shares
    Change vs previous 13F -1,300 shares

    1.5% of the 13F portfolio, value $4,687,481.

    13F-HR 0001398344-25-002553 filed by Thomas J. Herzfeld Advisors, Inc.
    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 227,639 shares
    Change vs previous 13F not available

    1.46% of the 13F portfolio, value $4,370,669.

    13F-HR 0001398344-24-020507 filed by Thomas J. Herzfeld Advisors, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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