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Woodline Partners LP: MRK position timeline

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

Woodline Partners LP held 1,124,149 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,124,149 shares
    Change vs previous 13F +53,069 shares

    0.45% of the 13F portfolio, value $144,453,147.

    13F-HR 0001172661-26-003541 filed by Woodline Partners LP
    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/A 1,071,080 shares
    Change vs previous 13F +66,381 shares

    0.49% of the 13F portfolio, value $128,840,213.

    13F-HR/A 0001172661-26-002263 filed by Woodline Partners LP
    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 1,004,699 shares
    Change vs previous 13F +96,155 shares

    0.41% of the 13F portfolio, value $105,754,617.

    13F-HR 0001172661-26-000861 filed by Woodline Partners LP
    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 908,544 shares
    Change vs previous 13F +130,118 shares

    0.36% of the 13F portfolio, value $76,254,098.

    13F-HR 0001172661-25-004991 filed by Woodline Partners LP
    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 778,426 shares
    Change vs previous 13F +13,900 shares

    0.33% of the 13F portfolio, value $61,620,202.

    13F-HR 0001172661-25-003349 filed by Woodline Partners LP
    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 764,526 shares
    Change vs previous 13F +33,192 shares

    0.45% of the 13F portfolio, value $68,623,854.

    13F-HR 0001172661-25-002043 filed by Woodline Partners LP
    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 731,334 shares
    Change vs previous 13F -117,315 shares

    0.49% of the 13F portfolio, value $72,753,106.

    13F-HR 0001172661-25-001092 filed by Woodline Partners LP
    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 848,649 shares
    Change vs previous 13F not available

    0.81% of the 13F portfolio, value $96,372,580.

    13F-HR 0001172661-24-004991 filed by Woodline Partners LP
    Filed (acceptance time not in the bulk data set), ingested

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