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ALLIANCEBERNSTEIN L.P.: BLK position timeline

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

ALLIANCEBERNSTEIN L.P. held 239,426 BLK 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 239,426 shares
    Change vs previous 13F -60,016 shares

    0.08% of the 13F portfolio, value $230,258,378.

    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 299,442 shares
    Change vs previous 13F -29,493 shares

    0.1% of the 13F portfolio, value $320,504,750.

    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 328,935 shares
    Change vs previous 13F -33,255 shares

    0.11% of the 13F portfolio, value $352,072,288.

    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 362,190 shares
    Change vs previous 13F -20,631 shares

    0.13% of the 13F portfolio, value $422,266,455.

    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 382,821 shares
    Change vs previous 13F +1,374 shares

    0.13% of the 13F portfolio, value $401,674,934.

    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 381,447 shares
    Change vs previous 13F +141,258 shares

    0.13% of the 13F portfolio, value $361,031,957.

    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 240,189 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $246,220,146.

    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).