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Disclosery

John & Kathleen Schreiber Foundation: BX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of John & Kathleen Schreiber Foundation on BX, newest first. How the timeline and the estimate are built.

John & Kathleen Schreiber Foundation held 648,677 BX shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 648,677 shares
    Change vs previous 13F -30,749 shares

    79.72% of the 13F portfolio, value $76,329,782.

    13F-HR 0001910790-26-000004 filed by John & Kathleen Schreiber Foundation
    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 679,426 shares
    Change vs previous 13F -18,197 shares

    80.13% of the 13F portfolio, value $78,127,216.

    13F-HR 0001910790-26-000002 filed by John & Kathleen Schreiber Foundation
    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 697,623 shares
    Change vs previous 13F -113,200 shares

    83.65% of the 13F portfolio, value $107,531,612.

    13F-HR 0001910790-26-000001 filed by John & Kathleen Schreiber Foundation
    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 810,823 shares
    Change vs previous 13F -25,370 shares

    89.75% of the 13F portfolio, value $138,529,113.

    13F-HR 0001910790-25-000004 filed by John & Kathleen Schreiber Foundation
    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 836,193 shares
    Change vs previous 13F -12,889 shares

    88.29% of the 13F portfolio, value $125,077,785.

    13F-HR 0000950123-25-007379 filed by John & Kathleen Schreiber Foundation
    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 849,082 shares
    Change vs previous 13F -49,355 shares

    87.91% of the 13F portfolio, value $118,684,620.

    13F-HR 0000950123-25-004449 filed by John & Kathleen Schreiber Foundation
    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 898,437 shares
    Change vs previous 13F -22,303 shares

    90.05% of the 13F portfolio, value $154,908,555.

    13F-HR 0000950123-25-001422 filed by John & Kathleen Schreiber Foundation
    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 920,740 shares
    Change vs previous 13F not available

    92.65% of the 13F portfolio, value $140,992,979.

    13F-HR 0000950123-24-010916 filed by John & Kathleen Schreiber Foundation
    Filed (acceptance time not in the bulk data set), ingested

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