Skip to content
Disclosery

GAMCO Investors (Gabelli): BLK position timeline

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

GAMCO Investors (Gabelli) held 19,205 BLK 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 19,205 shares
    Change vs previous 13F -60 shares

    0.07% of the 13F portfolio, value $18,466,760.

    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: 4,555 shares
    • GABELLI FUNDS LLC: 14,650 shares

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

  2. period ended2026-03-31
    13F 19,265 shares
    Change vs previous 13F -6 shares

    0.07% of the 13F portfolio, value $18,527,344.

    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: 4,615 shares
    • GABELLI FUNDS LLC: 14,650 shares

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

  3. period ended2025-12-31
    13F 19,271 shares
    Change vs previous 13F -87 shares

    0.08% of the 13F portfolio, value $20,626,522.

    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: 4,621 shares
    • GABELLI FUNDS LLC: 14,650 shares

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

  4. period ended2025-09-30
    13F 19,358 shares
    Change vs previous 13F -33 shares

    0.09% of the 13F portfolio, value $22,568,912.

    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: 4,708 shares
    • GABELLI FUNDS LLC: 14,650 shares

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

  5. period ended2025-06-30
    13F 19,391 shares
    Change vs previous 13F -82 shares

    0.08% of the 13F portfolio, value $20,346,007.

    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: 4,741 shares
    • GABELLI FUNDS LLC: 14,650 shares

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

  6. period ended2025-03-31
    13F 19,473 shares
    Change vs previous 13F -90 shares

    0.08% of the 13F portfolio, value $18,430,805.

    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: 4,823 shares
    • GABELLI FUNDS LLC: 14,650 shares

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

  7. period ended2024-12-31
    13F 19,563 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $20,054,227.

    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: 4,913 shares
    • GABELLI FUNDS LLC: 14,650 shares

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