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Disclosery

GAMMA Investing LLC: MRK position timeline

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

GAMMA Investing LLC held 100,519 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 100,519 shares
    Change vs previous 13F +5,527 shares

    0.49% of the 13F portfolio, value $14,606,456.

    13F-HR 0002010235-26-000007 filed by GAMMA Investing LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 94,992 shares
    Change vs previous 13F +5,736 shares

    0.45% of the 13F portfolio, value $12,206,514.

    13F-HR 0002010235-26-000005 filed by GAMMA Investing LLC
    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 89,256 shares
    Change vs previous 13F +8,626 shares

    0.5% of the 13F portfolio, value $10,736,637.

    13F-HR 0002010235-26-000003 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 80,630 shares
    Change vs previous 13F +11,819 shares

    0.43% of the 13F portfolio, value $8,487,143.

    13F-HR 0002010235-26-000001 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 68,811 shares
    Change vs previous 13F +11,047 shares

    0.32% of the 13F portfolio, value $5,775,307.

    13F-HR 0002010235-25-000009 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 57,764 shares
    Change vs previous 13F +9,497 shares

    0.29% of the 13F portfolio, value $4,572,598.

    13F-HR 0002010235-25-000007 filed by GAMMA Investing LLC
    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/A 48,267 shares
    Change vs previous 13F +5,337 shares

    0.33% of the 13F portfolio, value $4,332,446.

    13F-HR/A 0002010235-25-000006 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 42,930 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $4,270,676.

    13F-HR 0002010235-25-000001 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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