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Penbrook Management LLC: MSFT position timeline

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

Penbrook Management LLC held 21,920 MSFT 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 21,920 shares
    Change vs previous 13F -325 shares

    5.22% of the 13F portfolio, value $8,176,598.

    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 22,245 shares
    Change vs previous 13F -505 shares

    6.24% of the 13F portfolio, value $8,234,431.

    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 22,750 shares
    Change vs previous 13F -1,555 shares

    7.59% of the 13F portfolio, value $11,002,355.

    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 24,305 shares
    Change vs previous 13F -675 shares

    8.79% of the 13F portfolio, value $12,588,774.

    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 24,980 shares
    Change vs previous 13F -1,027 shares

    9.34% of the 13F portfolio, value $12,425,301.

    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 26,007 shares
    Change vs previous 13F -796 shares

    7.38% of the 13F portfolio, value $9,762,768.

    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 26,803 shares
    Change vs previous 13F -325 shares

    7.71% of the 13F portfolio, value $11,297,465.

    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 27,128 shares
    Change vs previous 13F not available

    7.59% of the 13F portfolio, value $11,673,178.

    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).