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GAMCO Investors (Gabelli): POST position timeline

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

GAMCO Investors (Gabelli) held 407,976 POST 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 407,976 shares
    Change vs previous 13F -8,050 shares

    0.13% of the 13F portfolio, value $36,007,962.

    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: 226,166 shares
    • GABELLI FUNDS LLC: 181,810 shares

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

  2. period ended2026-03-31
    13F 416,026 shares
    Change vs previous 13F -9,816 shares

    0.16% of the 13F portfolio, value $41,128,331.

    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: 229,966 shares
    • GABELLI FUNDS LLC: 186,060 shares

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

  3. period ended2025-12-31
    13F 425,842 shares
    Change vs previous 13F +2,979 shares

    0.17% of the 13F portfolio, value $42,179,650.

    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: 232,682 shares
    • GABELLI FUNDS LLC: 193,160 shares

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

  4. period ended2025-09-30
    13F 422,863 shares
    Change vs previous 13F -14,675 shares

    0.18% of the 13F portfolio, value $45,449,316.

    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: 229,416 shares
    • GABELLI FUNDS LLC: 193,447 shares

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

  5. period ended2025-06-30
    13F 437,538 shares
    Change vs previous 13F -12,192 shares

    0.2% of the 13F portfolio, value $47,704,768.

    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: 239,091 shares
    • GABELLI FUNDS LLC: 198,447 shares

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

  6. period ended2025-03-31
    13F 449,730 shares
    Change vs previous 13F -14,906 shares

    0.24% of the 13F portfolio, value $52,330,583.

    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: 247,586 shares
    • GABELLI FUNDS LLC: 202,144 shares

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

  7. period ended2024-12-31
    13F 464,636 shares
    Change vs previous 13F -3,738 shares

    0.23% of the 13F portfolio, value $53,182,237.

    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: 260,076 shares
    • GABELLI FUNDS LLC: 204,560 shares

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

  8. period ended2024-09-30
    13F 468,374 shares
    Change vs previous 13F not available

    0.23% of the 13F portfolio, value $54,214,291.

    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: 263,614 shares
    • GABELLI FUNDS LLC: 204,760 shares

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