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Disclosery

Stolper Co: ISD position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Stolper Co on ISD, newest first. How the timeline and the estimate are built.

Stolper Co held 42,229 ISD shares at 2026-06-30 per its 13F-HR filed 2026-07-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 42,229 shares
    Change vs previous 13F -85,509 shares

    0.14% of the 13F portfolio, value $552,000.

    13F-HR 0001808195-26-000003 filed by Stolper Co
    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 127,738 shares
    Change vs previous 13F +88,105 shares

    3.28% of the 13F portfolio, value $11,546,000.

    13F-HR 0001808195-26-000002 filed by Stolper Co
    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 39,633 shares
    Change vs previous 13F +564 shares

    0.17% of the 13F portfolio, value $573,000.

    13F-HR 0001808195-26-000001 filed by Stolper Co
    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/A 39,069 shares
    Change vs previous 13F +28 shares

    0.17% of the 13F portfolio, value $562,000.

    13F-HR/A 0001808195-25-000011 filed by Stolper Co
    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 39,041 shares
    Change vs previous 13F +1,802 shares

    0.18% of the 13F portfolio, value $553,000.

    13F-HR 0001808195-25-000008 filed by Stolper Co
    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 37,239 shares
    Change vs previous 13F +435 shares

    0.17% of the 13F portfolio, value $531,000.

    13F-HR 0001808195-25-000006 filed by Stolper Co
    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 36,804 shares
    Change vs previous 13F -1,035 shares

    0.17% of the 13F portfolio, value $503,000.

    13F-HR 0001808195-25-000001 filed by Stolper Co
    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 37,839 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $527,000.

    13F-HR 0001808195-24-000010 filed by Stolper Co
    Filed (acceptance time not in the bulk data set), ingested

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