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Madison Asset Management, LLC: MKSI position timeline

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

Madison Asset Management, LLC held 316,694 MKSI 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 316,694 shares
    Change vs previous 13F -21,642 shares

    1.68% of the 13F portfolio, value $140,865,611.

    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 338,336 shares
    Change vs previous 13F -583,114 shares

    0.96% of the 13F portfolio, value $77,753,102.

    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 921,450 shares
    Change vs previous 13F -54,641 shares

    1.69% of the 13F portfolio, value $147,247,760.

    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 976,091 shares
    Change vs previous 13F -487,592 shares

    1.33% of the 13F portfolio, value $120,810,801.

    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 1,463,683 shares
    Change vs previous 13F +35,540 shares

    1.57% of the 13F portfolio, value $145,431,494.

    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 1,428,143 shares
    Change vs previous 13F -439,729 shares

    1.28% of the 13F portfolio, value $114,465,661.

    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 1,867,872 shares
    Change vs previous 13F +1,066,524 shares

    1.1% of the 13F portfolio, value $194,987,106.

    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: 933,936 shares
    • Madison Investment Advisors, LLC: 933,936 shares

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

  8. period ended2024-09-30
    13F 801,348 shares
    Change vs previous 13F not available

    0.98% of the 13F portfolio, value $87,114,559.

    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).