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Alyeska Investment Group, L.P.: MRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Alyeska Investment Group, L.P. on MRK, newest first. How the timeline and the estimate are built.

Alyeska Investment Group, L.P. held 2,480,590 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 2,480,590 shares
    Change vs previous 13F +175,016 shares

    0.82% of the 13F portfolio, value $318,755,815.

    13F-HR 0001172661-26-003737 filed by Alyeska Investment Group, L.P.
    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 2,305,574 shares
    Change vs previous 13F +728,862 shares

    0.78% of the 13F portfolio, value $277,337,496.

    13F-HR 0001172661-26-002284 filed by Alyeska Investment Group, L.P.
    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 1,576,712 shares
    Change vs previous 13F not available

    0.47% of the 13F portfolio, value $165,964,705.

    13F-HR 0001172661-26-000737 filed by Alyeska Investment Group, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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