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GAMCO Investors (Gabelli): ALNT position timeline

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

GAMCO Investors (Gabelli) held 243,480 ALNT 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 243,480 shares
    Change vs previous 13F 0 shares

    0.09% of the 13F portfolio, value $25,061,396.

    13F-HR 0001140361-26-032508 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 175,110 shares
    • GABELLI FUNDS LLC: 68,370 shares

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

  2. period ended2026-03-31
    13F 243,480 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $14,387,233.

    13F-HR 0001140361-26-021334 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 175,110 shares
    • GABELLI FUNDS LLC: 68,370 shares

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

  3. period ended2025-12-31
    13F 243,480 shares
    Change vs previous 13F -7,499 shares

    0.05% of the 13F portfolio, value $13,087,051.

    13F-HR 0001140361-26-003895 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 175,110 shares
    • GABELLI FUNDS LLC: 68,370 shares

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

  4. period ended2025-09-30
    13F 250,979 shares
    Change vs previous 13F -566 shares

    0.04% of the 13F portfolio, value $11,231,311.

    13F-HR 0001140361-25-041670 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 175,110 shares
    • GABELLI FUNDS LLC: 75,869 shares

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

  5. period ended2025-06-30
    13F 251,545 shares
    Change vs previous 13F +2,866 shares

    0.04% of the 13F portfolio, value $9,133,599.

    13F-HR 0001140361-25-030814 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 175,110 shares
    • GABELLI FUNDS LLC: 76,435 shares

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

  6. period ended2025-03-31
    13F 248,679 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $5,465,965.

    13F-HR 0001140361-25-018975 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 171,110 shares
    • GABELLI FUNDS LLC: 77,569 shares

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

  7. period ended2024-12-31
    13F 248,679 shares
    Change vs previous 13F +30,500 shares

    0.03% of the 13F portfolio, value $6,037,926.

    13F-HR 0001140361-25-004330 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 171,110 shares
    • GABELLI FUNDS LLC: 77,569 shares

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

  8. period ended2024-09-30
    13F 218,179 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $4,143,219.

    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: 141,610 shares
    • GABELLI FUNDS LLC: 76,569 shares

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