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GAMCO Investors (Gabelli): HY position timeline

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

GAMCO Investors (Gabelli) held 844,221 HY 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 844,221 shares
    Change vs previous 13F -23,036 shares

    0.11% of the 13F portfolio, value $29,598,388.

    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: 788,021 shares
    • GABELLI FUNDS LLC: 56,200 shares

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

  2. period ended2026-03-31
    13F 867,257 shares
    Change vs previous 13F -23,309 shares

    0.11% of the 13F portfolio, value $28,194,525.

    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: 811,057 shares
    • GABELLI FUNDS LLC: 56,200 shares

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

  3. period ended2025-12-31
    13F 890,566 shares
    Change vs previous 13F -6,858 shares

    0.11% of the 13F portfolio, value $26,458,716.

    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: 834,366 shares
    • GABELLI FUNDS LLC: 56,200 shares

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

  4. period ended2025-09-30
    13F 897,424 shares
    Change vs previous 13F -15,883 shares

    0.13% of the 13F portfolio, value $33,079,049.

    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: 845,524 shares
    • GABELLI FUNDS LLC: 51,900 shares

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

  5. period ended2025-06-30
    13F 913,307 shares
    Change vs previous 13F +14,700 shares

    0.15% of the 13F portfolio, value $36,331,352.

    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: 860,607 shares
    • GABELLI FUNDS LLC: 52,700 shares

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

  6. period ended2025-03-31
    13F 898,607 shares
    Change vs previous 13F -1,350 shares

    0.17% of the 13F portfolio, value $37,328,135.

    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: 845,907 shares
    • GABELLI FUNDS LLC: 52,700 shares

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

  7. period ended2024-12-31
    13F 899,957 shares
    Change vs previous 13F -18,039 shares

    0.2% of the 13F portfolio, value $45,834,810.

    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: 847,257 shares
    • GABELLI FUNDS LLC: 52,700 shares

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

  8. period ended2024-09-30
    13F 917,996 shares
    Change vs previous 13F not available

    0.25% of the 13F portfolio, value $58,540,605.

    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: 864,096 shares
    • GABELLI FUNDS LLC: 53,900 shares

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