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Winthrop Capital Management, LLC: MBB position timeline

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

Winthrop Capital Management, LLC held 64,433 MBB shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 64,433 shares
    Change vs previous 13F -24 shares

    1.47% of the 13F portfolio, value $6,090,000.

    13F-HR 0001999371-26-017740 filed by Winthrop Capital 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 64,457 shares
    Change vs previous 13F -607 shares

    1.57% of the 13F portfolio, value $6,120,000.

    13F-HR 0001999371-26-009196 filed by Winthrop Capital 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 65,064 shares
    Change vs previous 13F -3,375 shares

    1.44% of the 13F portfolio, value $6,195,000.

    13F-HR 0001999371-26-002954 filed by Winthrop Capital 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 68,439 shares
    Change vs previous 13F -1,316 shares

    1.57% of the 13F portfolio, value $6,512,000.

    13F-HR 0001999371-25-017607 filed by Winthrop Capital 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 69,755 shares
    Change vs previous 13F -3,347 shares

    1.66% of the 13F portfolio, value $6,549,000.

    13F-HR 0001999371-25-010763 filed by Winthrop Capital 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 73,102 shares
    Change vs previous 13F +18 shares

    1.89% of the 13F portfolio, value $6,856,000.

    13F-HR 0001999371-25-005506 filed by Winthrop Capital 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 73,084 shares
    Change vs previous 13F not available

    1.78% of the 13F portfolio, value $6,706,000.

    13F-HR 0001839882-25-008932 filed by Winthrop Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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