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BRIGHTON SECURITIES CORP.: MRK position timeline

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

BRIGHTON SECURITIES CORP. held 2,085 MRK shares at 2026-09-30 per its 13F-HR filed 2026-10-08.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 2,085 shares
    Change vs previous 13F -17 shares

    0.13% of the 13F portfolio, value $302,989.

    13F-HR 0000014213-26-000019 filed by BRIGHTON SECURITIES CORP.
    Accepted , ingested

  2. period ended2026-06-30
    13F 2,102 shares
    Change vs previous 13F -46 shares

    0.12% of the 13F portfolio, value $270,123.

    13F-HR 0000014213-26-000017 filed by BRIGHTON SECURITIES CORP.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 2,148 shares
    Change vs previous 13F -550 shares

    0.12% of the 13F portfolio, value $258,370.

    13F-HR 0000014213-26-000015 filed by BRIGHTON SECURITIES CORP.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 2,698 shares
    Change vs previous 13F -328 shares

    0.14% of the 13F portfolio, value $283,980.

    13F-HR 0000014213-26-000009 filed by BRIGHTON SECURITIES CORP.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F/A 3,026 shares
    Change vs previous 13F -209 shares

    0.13% of the 13F portfolio, value $253,960.

    13F-HR/A 0000014213-26-000010 filed by BRIGHTON SECURITIES CORP.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 3,235 shares
    Change vs previous 13F -1,674 shares

    0.14% of the 13F portfolio, value $256,071.

    13F-HR 0000014213-26-000007 filed by BRIGHTON SECURITIES CORP.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 4,909 shares
    Change vs previous 13F +751 shares

    0.21% of the 13F portfolio, value $440,592.

    13F-HR 0000014213-26-000006 filed by BRIGHTON SECURITIES CORP.
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 4,158 shares
    Change vs previous 13F not available

    0.2% of the 13F portfolio, value $413,632.

    13F-HR 0000014213-26-000005 filed by BRIGHTON SECURITIES CORP.
    Filed (acceptance time not in the bulk data set), ingested

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