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Disclosery

CSS LLC/IL: MRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of CSS LLC/IL on MRK, newest first. How the timeline and the estimate are built.

CSS LLC/IL held 10,210 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 10,210 shares
    Change vs previous 13F -3,655 shares

    0.06% of the 13F portfolio, value $1,311,985.

    13F-HR 0001103646-26-000012 filed by CSS LLC/IL
    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 13,865 shares
    Change vs previous 13F -2,060 shares

    0.09% of the 13F portfolio, value $1,667,821.

    13F-HR 0001103646-26-000009 filed by CSS LLC/IL
    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 15,925 shares
    Change vs previous 13F -1,730 shares

    0.09% of the 13F portfolio, value $1,676,266.

    13F-HR 0001103646-26-000003 filed by CSS LLC/IL
    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 17,655 shares
    Change vs previous 13F -5,310 shares

    0.09% of the 13F portfolio, value $1,481,784.

    13F-HR 0001103646-25-000009 filed by CSS LLC/IL
    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 22,965 shares
    Change vs previous 13F +5,190 shares

    0.11% of the 13F portfolio, value $1,817,910.

    13F-HR 0001085146-25-005235 filed by CSS LLC/IL
    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 17,775 shares
    Change vs previous 13F +1,730 shares

    0.11% of the 13F portfolio, value $1,595,484.

    13F-HR 0001085146-25-003288 filed by CSS LLC/IL
    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 16,045 shares
    Change vs previous 13F +4,840 shares

    0.1% of the 13F portfolio, value $1,596,157.

    13F-HR 0001085146-25-001728 filed by CSS LLC/IL
    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 11,205 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $1,272,440.

    13F-HR 0001085146-24-005922 filed by CSS LLC/IL
    Filed (acceptance time not in the bulk data set), ingested

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