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

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

Alyeska Investment Group, L.P. held 804,374 GMAB 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 804,374 shares
    Change vs previous 13F +158,893 shares

    0.06% of the 13F portfolio, value $22,096,154.

    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 645,481 shares
    Change vs previous 13F +138,820 shares

    0.05% of the 13F portfolio, value $17,318,255.

    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 506,661 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $15,605,159.

    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).