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Disclosery

Stolper Co: IBM position timeline

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

Stolper Co held 16,248 IBM 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 16,248 shares
    Change vs previous 13F +3,648 shares

    1.18% of the 13F portfolio, value $4,569,000.

    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 12,600 shares
    Change vs previous 13F -3,472 shares

    3.02% of the 13F portfolio, value $10,659,000.

    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 16,072 shares
    Change vs previous 13F -53 shares

    1.4% of the 13F portfolio, value $4,761,000.

    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 16,125 shares
    Change vs previous 13F +118 shares

    1.38% of the 13F portfolio, value $4,550,000.

    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 16,007 shares
    Change vs previous 13F -871 shares

    1.55% of the 13F portfolio, value $4,719,000.

    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 16,878 shares
    Change vs previous 13F -80 shares

    1.38% of the 13F portfolio, value $4,197,000.

    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 16,958 shares
    Change vs previous 13F -18 shares

    1.24% of the 13F portfolio, value $3,728,000.

    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 16,976 shares
    Change vs previous 13F not available

    1.23% of the 13F portfolio, value $3,753,000.

    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).