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ALLIANCEBERNSTEIN L.P.: GMAB position timeline

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

ALLIANCEBERNSTEIN L.P. held 8,644,877 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 8,644,877 shares
    Change vs previous 13F -912,272 shares

    0.08% of the 13F portfolio, value $231,942,050.

    13F-HR 0001109448-26-000261 filed by ALLIANCEBERNSTEIN 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 9,557,149 shares
    Change vs previous 13F -1,319,945 shares

    0.1% of the 13F portfolio, value $294,360,189.

    13F-HR 0001109448-26-000101 filed by ALLIANCEBERNSTEIN 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 10,877,094 shares
    Change vs previous 13F -76,819 shares

    0.11% of the 13F portfolio, value $335,014,495.

    13F-HR 0001109448-26-000021 filed by ALLIANCEBERNSTEIN L.P.
    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 10,953,913 shares
    Change vs previous 13F +291,538 shares

    0.11% of the 13F portfolio, value $335,956,512.

    13F-HR 0001109448-25-000079 filed by ALLIANCEBERNSTEIN L.P.
    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 10,662,375 shares
    Change vs previous 13F -4,062,783 shares

    0.07% of the 13F portfolio, value $220,284,668.

    13F-HR 0001532155-25-000161 filed by ALLIANCEBERNSTEIN L.P.
    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 14,725,158 shares
    Change vs previous 13F -210,066 shares

    0.1% of the 13F portfolio, value $288,318,594.

    13F-HR 0001532155-25-000116 filed by ALLIANCEBERNSTEIN L.P.
    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 14,935,224 shares
    Change vs previous 13F -200,928 shares

    0.11% of the 13F portfolio, value $311,698,125.

    13F-HR 0001532155-25-000050 filed by ALLIANCEBERNSTEIN L.P.
    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 15,136,152 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $369,019,386.

    13F-HR 0001532155-24-000162 filed by ALLIANCEBERNSTEIN L.P.
    Filed (acceptance time not in the bulk data set), ingested

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