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CAXTON ASSOCIATES LLP: MRK position timeline

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

CAXTON ASSOCIATES LLP held 0 MRK shares at 2026-03-31 per its 13F-HR filed 2026-05-14.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -250,000 shares

    13F-HR 0002051323-26-000009 filed by CAXTON ASSOCIATES LLP
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 250,000 shares
    Change vs previous 13F +189,055 shares

    0.52% of the 13F portfolio, value $26,315,000.

    13F-HR 0002051323-26-000006 filed by CAXTON ASSOCIATES LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 60,945 shares
    Change vs previous 13F +21,524 shares

    0.14% of the 13F portfolio, value $5,115,114.

    13F-HR 0002051323-25-000025 filed by CAXTON ASSOCIATES LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 39,421 shares
    Change vs previous 13F +7,458 shares

    0.08% of the 13F portfolio, value $3,120,566.

    13F-HR 0002051323-25-000011 filed by CAXTON ASSOCIATES LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 31,963 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $2,868,999.

    13F-HR 0002051323-25-000006 filed by CAXTON ASSOCIATES LLP
    Filed (acceptance time not in the bulk data set), ingested

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