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GAMCO Investors (Gabelli): BX position timeline

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

GAMCO Investors (Gabelli) held 270,014 BX 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 270,014 shares
    Change vs previous 13F -3,959 shares

    0.12% of the 13F portfolio, value $31,772,548.

    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: 113,034 shares
    • GABELLI FUNDS LLC: 156,980 shares

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

  2. period ended2026-03-31
    13F 273,973 shares
    Change vs previous 13F +4,057 shares

    0.13% of the 13F portfolio, value $31,504,155.

    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: 114,780 shares
    • GABELLI FUNDS LLC: 159,193 shares

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

  3. period ended2025-12-31
    13F 269,916 shares
    Change vs previous 13F -11,154 shares

    0.17% of the 13F portfolio, value $41,604,853.

    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: 114,648 shares
    • GABELLI FUNDS LLC: 155,268 shares

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

  4. period ended2025-09-30
    13F 281,070 shares
    Change vs previous 13F -2,247 shares

    0.19% of the 13F portfolio, value $48,020,810.

    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: 113,241 shares
    • GABELLI FUNDS LLC: 167,829 shares

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

  5. period ended2025-06-30
    13F 283,317 shares
    Change vs previous 13F -5,100 shares

    0.18% of the 13F portfolio, value $42,378,557.

    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: 113,453 shares
    • GABELLI FUNDS LLC: 169,864 shares

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

  6. period ended2025-03-31
    13F 288,417 shares
    Change vs previous 13F +6,976 shares

    0.18% of the 13F portfolio, value $40,314,929.

    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: 113,161 shares
    • GABELLI FUNDS LLC: 175,256 shares

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

  7. period ended2024-12-31
    13F 281,441 shares
    Change vs previous 13F -9,074 shares

    0.21% of the 13F portfolio, value $48,526,058.

    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: 113,385 shares
    • GABELLI FUNDS LLC: 168,056 shares

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

  8. period ended2024-09-30
    13F 290,515 shares
    Change vs previous 13F not available

    0.19% of the 13F portfolio, value $44,486,562.

    13F-HR 0001140361-24-046503 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 118,965 shares
    • GABELLI FUNDS LLC: 171,550 shares

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