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Madison Asset Management, LLC: BLK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Madison Asset Management, LLC on BLK, newest first. How the timeline and the estimate are built.

Madison Asset Management, LLC held 28,220 BLK shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 28,220 shares
    Change vs previous 13F -698 shares

    0.32% of the 13F portfolio, value $27,135,223.

    13F-HR 0001954889-26-000022 filed by Madison Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F 28,918 shares
    Change vs previous 13F -4,775 shares

    0.34% of the 13F portfolio, value $27,810,730.

    13F-HR 0001954889-26-000018 filed by Madison Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 33,693 shares
    Change vs previous 13F -136 shares

    0.42% of the 13F portfolio, value $36,062,966.

    13F-HR 0001954889-26-000008 filed by Madison Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 33,829 shares
    Change vs previous 13F -3,317 shares

    0.43% of the 13F portfolio, value $39,440,216.

    13F-HR 0001954889-25-000033 filed by Madison Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 37,146 shares
    Change vs previous 13F -2,385 shares

    0.42% of the 13F portfolio, value $38,975,441.

    13F-HR 0001954889-25-000027 filed by Madison Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 39,531 shares
    Change vs previous 13F -36,237 shares

    0.42% of the 13F portfolio, value $37,415,301.

    13F-HR 0001954889-25-000019 filed by Madison Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F/A 75,768 shares
    Change vs previous 13F +36,745 shares

    0.44% of the 13F portfolio, value $77,670,534.

    13F-HR 0001954889-25-000006 filed by Madison Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Madison Asset Management, LLC: 37,884 shares
    • Madison Investment Advisors, LLC: 37,884 shares

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

  8. period ended2024-09-30
    13F 39,023 shares
    Change vs previous 13F not available

    0.42% of the 13F portfolio, value $37,052,729.

    13F-HR 0001954889-24-000003 filed by Madison Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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