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GAMCO Investors (Gabelli): IBM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMCO Investors (Gabelli) on IBM, newest first. How the timeline and the estimate are built.

GAMCO Investors (Gabelli) held 36,803 IBM shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 36,803 shares
    Change vs previous 13F -198 shares

    0.04% of the 13F portfolio, value $10,349,372.

    13F-HR 0001140361-26-032509 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 16,898 shares
    • GABELLI FUNDS LLC: 19,905 shares

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

  2. period ended2026-03-31
    13F 37,001 shares
    Change vs previous 13F -1,302 shares

    0.04% of the 13F portfolio, value $8,968,672.

    13F-HR 0001140361-26-021337 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 17,001 shares
    • GABELLI FUNDS LLC: 20,000 shares

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

  3. period ended2025-12-31
    13F 38,303 shares
    Change vs previous 13F -1,215 shares

    0.05% of the 13F portfolio, value $11,345,732.

    13F-HR 0001140361-26-003893 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 17,943 shares
    • GABELLI FUNDS LLC: 20,360 shares

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

  4. period ended2025-09-30
    13F 39,518 shares
    Change vs previous 13F -651 shares

    0.04% of the 13F portfolio, value $11,150,399.

    13F-HR 0001140361-25-041671 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 18,188 shares
    • GABELLI FUNDS LLC: 21,330 shares

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

  5. period ended2025-06-30
    13F 40,169 shares
    Change vs previous 13F -1,595 shares

    0.05% of the 13F portfolio, value $11,841,018.

    13F-HR 0001140361-25-030816 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 18,154 shares
    • GABELLI FUNDS LLC: 22,015 shares

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

  6. period ended2025-03-31
    13F 41,764 shares
    Change vs previous 13F -4,513 shares

    0.05% of the 13F portfolio, value $10,385,036.

    13F-HR 0001140361-25-018974 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 18,284 shares
    • GABELLI FUNDS LLC: 23,480 shares

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

  7. period ended2024-12-31
    13F 46,277 shares
    Change vs previous 13F -3,499 shares

    0.04% of the 13F portfolio, value $10,173,073.

    13F-HR 0001140361-25-004328 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 19,082 shares
    • GABELLI FUNDS LLC: 27,195 shares

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

  8. period ended2024-09-30
    13F 49,776 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $11,004,478.

    13F-HR 0001140361-24-046503 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 19,596 shares
    • GABELLI FUNDS LLC: 30,180 shares

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