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Disclosery

MASECO LLP: BLK position timeline

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

MASECO LLP held 9 BLK shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 9 shares
    Change vs previous 13F +5 shares

    <0.01% of the 13F portfolio, value $8,645.

    13F-HR 0002074052-26-000006 filed by MASECO LLP
    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 4 shares
    Change vs previous 13F -263 shares

    <0.01% of the 13F portfolio, value $3,848.

    13F-HR 0002074052-26-000004 filed by MASECO LLP
    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 267 shares
    Change vs previous 13F +1 shares

    0.01% of the 13F portfolio, value $285,923.

    13F-HR 0002074052-26-000001 filed by MASECO LLP
    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 266 shares
    Change vs previous 13F +1 shares

    0.02% of the 13F portfolio, value $309,741.

    13F-HR 0002074052-25-000003 filed by MASECO LLP
    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 265 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $277,509.

    13F-HR 0002074052-25-000001 filed by MASECO LLP
    Filed (acceptance time not in the bulk data set), ingested

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