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Disclosery

SG Americas Securities, LLC: MRK position timeline

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

SG Americas Securities, LLC held 3,072,242 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,072,242 shares
    Change vs previous 13F +1,406,722 shares

    0.23% of the 13F portfolio, value $394,783,000.

    13F-HR 0001313360-26-000003 filed by SG Americas Securities, 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 1,665,520 shares
    Change vs previous 13F +274,129 shares

    0.22% of the 13F portfolio, value $200,345,000.

    13F-HR 0001313360-26-000002 filed by SG Americas Securities, 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 1,391,391 shares
    Change vs previous 13F +148,288 shares

    0.19% of the 13F portfolio, value $146,458,000.

    13F-HR 0001313360-26-000001 filed by SG Americas Securities, 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 1,243,103 shares
    Change vs previous 13F +1,033,828 shares

    0.38% of the 13F portfolio, value $104,334,000.

    13F-HR 0001313360-25-000008 filed by SG Americas Securities, 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 209,275 shares
    Change vs previous 13F -451,420 shares

    0.07% of the 13F portfolio, value $16,566,000.

    13F-HR 0001313360-25-000006 filed by SG Americas Securities, 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 660,695 shares
    Change vs previous 13F +579,196 shares

    0.2% of the 13F portfolio, value $59,304,000.

    13F-HR 0001313360-25-000005 filed by SG Americas Securities, 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 81,499 shares
    Change vs previous 13F +15,982 shares

    0.04% of the 13F portfolio, value $8,108,000.

    13F-HR 0001313360-25-000001 filed by SG Americas Securities, LLC
    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 65,517 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $7,440,000.

    13F-HR 0001313360-24-000010 filed by SG Americas Securities, LLC
    Filed (acceptance time not in the bulk data set), ingested

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