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Disclosery

Penbrook Management LLC: BX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Penbrook Management LLC on BX, newest first. How the timeline and the estimate are built.

Penbrook Management LLC held 18,150 BX shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 18,150 shares
    Change vs previous 13F 0 shares

    1.36% of the 13F portfolio, value $2,135,710.

    13F-HR 0001381055-26-000003 filed by Penbrook Management LLC
    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 18,150 shares
    Change vs previous 13F +3,350 shares

    1.58% of the 13F portfolio, value $2,087,068.

    13F-HR 0001381055-26-000002 filed by Penbrook Management LLC
    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 14,800 shares
    Change vs previous 13F 0 shares

    1.57% of the 13F portfolio, value $2,281,272.

    13F-HR 0001381055-26-000001 filed by Penbrook Management LLC
    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 14,800 shares
    Change vs previous 13F -100 shares

    1.77% of the 13F portfolio, value $2,528,580.

    13F-HR 0001381055-25-000008 filed by Penbrook Management LLC
    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/A 14,900 shares
    Change vs previous 13F -600 shares

    1.68% of the 13F portfolio, value $2,228,742.

    13F-HR/A 0001381055-25-000006 filed by Penbrook Management LLC
    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 15,500 shares
    Change vs previous 13F -100 shares

    1.64% of the 13F portfolio, value $2,166,590.

    13F-HR 0001381055-25-000002 filed by Penbrook Management LLC
    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 15,600 shares
    Change vs previous 13F 0 shares

    1.83% of the 13F portfolio, value $2,689,752.

    13F-HR 0001381055-25-000001 filed by Penbrook Management LLC
    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 15,600 shares
    Change vs previous 13F not available

    1.55% of the 13F portfolio, value $2,388,828.

    13F-HR 0001381055-24-000005 filed by Penbrook Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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