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Disclosery

Winthrop Advisory Group LLC: IGSB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Winthrop Advisory Group LLC on IGSB, newest first. How the timeline and the estimate are built.

Winthrop Advisory Group LLC held 8,071 IGSB shares at 2026-06-30 per its 13F-HR filed 2026-07-17.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 8,071 shares
    Change vs previous 13F +1,000 shares

    0.03% of the 13F portfolio, value $423,006.

    13F-HR 0001739043-26-000006 filed by Winthrop Advisory Group 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 7,071 shares
    Change vs previous 13F +26 shares

    0.03% of the 13F portfolio, value $371,675.

    13F-HR 0001739043-26-000004 filed by Winthrop Advisory Group 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/A 7,045 shares
    Change vs previous 13F +53 shares

    0.03% of the 13F portfolio, value $372,541.

    13F-HR/A 0001739043-26-000003 filed by Winthrop Advisory Group 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 6,992 shares
    Change vs previous 13F +39 shares

    0.03% of the 13F portfolio, value $370,785.

    13F-HR 0001739043-25-000007 filed by Winthrop Advisory Group 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 6,953 shares
    Change vs previous 13F +994 shares

    0.04% of the 13F portfolio, value $366,852.

    13F-HR 0001739043-25-000004 filed by Winthrop Advisory Group 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 5,959 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $312,051.

    13F-HR 0001739043-25-000003 filed by Winthrop Advisory Group LLC
    Filed (acceptance time not in the bulk data set), ingested

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