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Disclosery

BlackRock, Inc.: BXP position timeline

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

BlackRock, Inc. held 17,981,430 BXP shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 17,981,430 shares
    Change vs previous 13F +1,521,475 shares

    0.02% of the 13F portfolio, value $1,192,348,608.

    13F-HR 0002012383-26-003238 filed by BlackRock, Inc.
    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 16,459,955 shares
    Change vs previous 13F -1,859,119 shares

    0.01% of the 13F portfolio, value $854,271,697.

    13F-HR 0002012383-26-001841 filed by BlackRock, Inc.
    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 18,319,074 shares
    Change vs previous 13F +518,046 shares

    0.02% of the 13F portfolio, value $1,236,171,115.

    13F-HR 0002012383-26-000920 filed by BlackRock, Inc.
    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 17,801,028 shares
    Change vs previous 13F -1,704,290 shares

    0.02% of the 13F portfolio, value $1,323,328,437.

    13F-HR 0002012383-25-002949 filed by BlackRock, Inc.
    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 19,505,318 shares
    Change vs previous 13F -34,861 shares

    0.03% of the 13F portfolio, value $1,316,023,814.

    13F-HR 0001060021-25-000120 filed by BlackRock, Inc.
    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 19,540,179 shares
    Change vs previous 13F -397,463 shares

    0.03% of the 13F portfolio, value $1,312,904,654.

    13F-HR 0001576419-25-000869 filed by BlackRock, Inc.
    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 19,937,642 shares
    Change vs previous 13F +924,655 shares

    0.03% of the 13F portfolio, value $1,482,563,007.

    13F-HR 0001060021-25-000002 filed by BlackRock, Inc.
    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 19,012,987 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $1,529,784,902.

    13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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