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Disclosery

Mass General Brigham, Inc: ACWI position timeline

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

Mass General Brigham, Inc held 1,259,657 ACWI 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 1,259,657 shares
    Change vs previous 13F -893,820 shares

    54.76% of the 13F portfolio, value $197,728,359.

    13F-HR 0001214659-26-009752 filed by Mass General Brigham, 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 2,153,477 shares
    Change vs previous 13F -2,460,478 shares

    62.42% of the 13F portfolio, value $292,711,246.

    13F-HR 0001214659-26-005558 filed by Mass General Brigham, 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 4,613,955 shares
    Change vs previous 13F not available

    80.62% of the 13F portfolio, value $652,828,493.

    13F-HR 0001214659-26-000882 filed by Mass General Brigham, Inc
    Filed (acceptance time not in the bulk data set), ingested

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