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THORNBURG INVESTMENT MANAGEMENT INC: MRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of THORNBURG INVESTMENT MANAGEMENT INC on MRK, newest first. How the timeline and the estimate are built.

THORNBURG INVESTMENT MANAGEMENT INC held 3,787,976 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,787,976 shares
    Change vs previous 13F +59,303 shares

    4.66% of the 13F portfolio, value $486,754,916.

    13F-HR 0001140361-26-032780 filed by THORNBURG INVESTMENT MANAGEMENT INC
    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 3,728,673 shares
    Change vs previous 13F 0 shares

    4.66% of the 13F portfolio, value $448,522,075.

    13F-HR 0001140361-26-020785 filed by THORNBURG INVESTMENT MANAGEMENT INC
    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 3,728,673 shares
    Change vs previous 13F +208,042 shares

    4.95% of the 13F portfolio, value $392,480,120.

    13F-HR 0001140361-26-005232 filed by THORNBURG INVESTMENT MANAGEMENT INC
    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 3,520,631 shares
    Change vs previous 13F -1,209,010 shares

    3.85% of the 13F portfolio, value $295,486,560.

    13F-HR 0001140361-25-041494 filed by THORNBURG INVESTMENT MANAGEMENT INC
    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 4,729,641 shares
    Change vs previous 13F +1,642,835 shares

    4.82% of the 13F portfolio, value $374,398,382.

    13F-HR 0001140361-25-030647 filed by THORNBURG INVESTMENT MANAGEMENT INC
    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 3,086,806 shares
    Change vs previous 13F +1,210,422 shares

    3.87% of the 13F portfolio, value $2,770,717,066.

    13F-HR 0001140361-25-017766 filed by THORNBURG INVESTMENT MANAGEMENT INC
    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 1,876,384 shares
    Change vs previous 13F 0 shares

    2.47% of the 13F portfolio, value $186,662,680.

    13F-HR 0001140361-25-004382 filed by THORNBURG INVESTMENT MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 1,876,384 shares
    Change vs previous 13F not available

    2.77% of the 13F portfolio, value $213,082,167.

    13F-HR 0001140361-24-045910 filed by THORNBURG INVESTMENT MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

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