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Disclosery

GAMCO Investors (Gabelli): ALSN position timeline

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

GAMCO Investors (Gabelli) held 23,752 ALSN 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 23,752 shares
    Change vs previous 13F -8,433 shares

    0.01% of the 13F portfolio, value $2,677,801.

    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: 5,293 shares
    • GABELLI FUNDS LLC: 18,459 shares

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

  2. period ended2026-03-31
    13F 32,185 shares
    Change vs previous 13F -582 shares

    0.02% of the 13F portfolio, value $3,767,576.

    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: 6,473 shares
    • GABELLI FUNDS LLC: 25,712 shares

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

  3. period ended2025-12-31
    13F 32,767 shares
    Change vs previous 13F +1,046 shares

    0.01% of the 13F portfolio, value $3,207,890.

    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: 6,373 shares
    • GABELLI FUNDS LLC: 26,394 shares

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

  4. period ended2025-09-30
    13F 31,721 shares
    Change vs previous 13F +4,269 shares

    0.01% of the 13F portfolio, value $2,692,478.

    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: 6,457 shares
    • GABELLI FUNDS LLC: 25,264 shares

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

  5. period ended2025-06-30
    13F 27,452 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $2,607,665.

    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: 5,778 shares
    • GABELLI FUNDS LLC: 21,674 shares

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