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Disclosery

Rossby Financial, LCC: MRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Rossby Financial, LCC on MRK, newest first. How the timeline and the estimate are built.

Rossby Financial, LCC held 9,768 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-04.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 9,768 shares
    Change vs previous 13F +2,413 shares

    0.23% of the 13F portfolio, value $1,255,147.

    13F-HR 0002056510-26-000003 filed by Rossby Financial, LCC
    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 7,355 shares
    Change vs previous 13F +3,631 shares

    0.19% of the 13F portfolio, value $888,778.

    13F-HR 0002056510-26-000002 filed by Rossby Financial, LCC
    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 3,724 shares
    Change vs previous 13F +1,644 shares

    0.12% of the 13F portfolio, value $391,988.

    13F-HR 0002056510-26-000001 filed by Rossby Financial, LCC
    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 2,080 shares
    Change vs previous 13F -277 shares

    0.06% of the 13F portfolio, value $187,470.

    13F-HR 0002056510-25-000005 filed by Rossby Financial, LCC
    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 2,357 shares
    Change vs previous 13F -120 shares

    0.07% of the 13F portfolio, value $186,580.

    13F-HR 0002056510-25-000003 filed by Rossby Financial, LCC
    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 2,477 shares
    Change vs previous 13F -164 shares

    0.09% of the 13F portfolio, value $204,947.

    13F-HR 0002056510-25-000002 filed by Rossby Financial, LCC
    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 2,641 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $262,727.

    13F-HR 0002056510-25-000001 filed by Rossby Financial, LCC
    Filed (acceptance time not in the bulk data set), ingested

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