Skip to content
Disclosery

GAMCO Investors (Gabelli): ATNI position timeline

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

GAMCO Investors (Gabelli) held 152,100 ATNI 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 152,100 shares
    Change vs previous 13F -6,886 shares

    0.02% of the 13F portfolio, value $4,029,129.

    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: 42,500 shares
    • GABELLI FUNDS LLC: 109,600 shares

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

  2. period ended2026-03-31
    13F 158,986 shares
    Change vs previous 13F -49,969 shares

    0.02% of the 13F portfolio, value $4,327,599.

    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: 42,613 shares
    • GABELLI FUNDS LLC: 116,373 shares

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

  3. period ended2025-12-31
    13F 208,955 shares
    Change vs previous 13F -56,681 shares

    0.02% of the 13F portfolio, value $4,764,174.

    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: 51,430 shares
    • GABELLI FUNDS LLC: 157,525 shares

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

  4. period ended2025-09-30
    13F 265,636 shares
    Change vs previous 13F +2,008 shares

    0.02% of the 13F portfolio, value $3,976,571.

    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: 76,936 shares
    • GABELLI FUNDS LLC: 188,700 shares

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

  5. period ended2025-06-30
    13F 263,628 shares
    Change vs previous 13F +78,660 shares

    0.02% of the 13F portfolio, value $4,283,955.

    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: 70,221 shares
    • GABELLI FUNDS LLC: 193,407 shares

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

  6. period ended2025-03-31
    13F 184,968 shares
    Change vs previous 13F -21,110 shares

    0.02% of the 13F portfolio, value $3,756,700.

    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: 59,968 shares
    • GABELLI FUNDS LLC: 125,000 shares

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

  7. period ended2024-12-31
    13F 206,078 shares
    Change vs previous 13F +192,735 shares

    0.02% of the 13F portfolio, value $3,464,172.

    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: 65,250 shares
    • GABELLI FUNDS LLC: 140,828 shares

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

  8. period ended2024-09-30
    13F 13,343 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $431,513.

    13F-HR 0001140361-24-046738 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 13,343 shares
    • GABELLI FUNDS LLC: 0 shares

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