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Disclosery

Merck & Co., Inc.: MRNA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Merck & Co., Inc. on MRNA, newest first. How the timeline and the estimate are built.

Merck & Co., Inc. held 2,308,190 MRNA 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 2,308,190 shares
    Change vs previous 13F 0 shares

    30.71% of the 13F portfolio, value $161,642,545.

    13F-HR 0000310158-26-000210 filed by Merck & Co., Inc.
    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 2,308,190 shares
    Change vs previous 13F 0 shares

    33.56% of the 13F portfolio, value $117,256,052.

    13F-HR 0000310158-26-000141 filed by Merck & Co., Inc.
    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 2,308,190 shares
    Change vs previous 13F 0 shares

    24.64% of the 13F portfolio, value $68,068,523.

    13F-HR 0000310158-26-000055 filed by Merck & Co., Inc.
    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 2,308,190 shares
    Change vs previous 13F 0 shares

    26.15% of the 13F portfolio, value $59,620,548.

    13F-HR 0000310158-25-000063 filed by Merck & Co., Inc.
    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 2,308,190 shares
    Change vs previous 13F 0 shares

    29.54% of the 13F portfolio, value $63,682,962.

    13F-HR 0001691304-25-000005 filed by Merck & Co., Inc.
    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 2,308,190 shares
    Change vs previous 13F 0 shares

    39.83% of the 13F portfolio, value $65,437,187.

    13F-HR 0000064978-25-000005 filed by Merck & Co., Inc.
    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 2,308,190 shares
    Change vs previous 13F not available

    37.19% of the 13F portfolio, value $95,974,540.

    13F-HR 0000895345-25-000055 filed by Merck & Co., Inc.
    Filed (acceptance time not in the bulk data set), ingested

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