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Flagstone Financial Management: SPSB position timeline

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

Flagstone Financial Management held 940,715 SPSB shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 940,715 shares
    Change vs previous 13F +28,263 shares

    6.31% of the 13F portfolio, value $28,230,846.

    13F-HR 0001754960-26-000572 filed by Flagstone Financial Management
    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 912,452 shares
    Change vs previous 13F +60,277 shares

    6.81% of the 13F portfolio, value $27,437,413.

    13F-HR 0001754960-26-000338 filed by Flagstone Financial Management
    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 852,175 shares
    Change vs previous 13F +35,920 shares

    6.6% of the 13F portfolio, value $25,735,682.

    13F-HR 0001754960-26-000161 filed by Flagstone Financial Management
    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 816,255 shares
    Change vs previous 13F +44,232 shares

    6.52% of the 13F portfolio, value $24,724,378.

    13F-HR 0001754960-25-000744 filed by Flagstone Financial Management
    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 772,023 shares
    Change vs previous 13F +46,226 shares

    6.68% of the 13F portfolio, value $23,307,374.

    13F-HR 0001754960-25-000487 filed by Flagstone Financial Management
    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 725,797 shares
    Change vs previous 13F +19,225 shares

    7.04% of the 13F portfolio, value $21,846,504.

    13F-HR 0001754960-25-000222 filed by Flagstone Financial Management
    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 706,572 shares
    Change vs previous 13F +23,406 shares

    7.01% of the 13F portfolio, value $21,098,226.

    13F-HR 0001754960-25-000063 filed by Flagstone Financial Management
    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 683,166 shares
    Change vs previous 13F not available

    6.94% of the 13F portfolio, value $20,686,267.

    13F-HR 0001754960-24-000489 filed by Flagstone Financial Management
    Filed (acceptance time not in the bulk data set), ingested

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