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Greenhaven Road Investment Management, L.P.: BUR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Greenhaven Road Investment Management, L.P. on BUR, newest first. How the timeline and the estimate are built.

Greenhaven Road Investment Management, L.P. held 3,042,947 BUR shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,042,947 shares
    Change vs previous 13F +902,635 shares

    8.1% of the 13F portfolio, value $12,476,083.

    13F-HR 0001420506-26-001699 filed by Greenhaven Road Investment Management, L.P.
    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 2,140,312 shares
    Change vs previous 13F +275,000 shares

    6.66% of the 13F portfolio, value $9,674,210.

    13F-HR 0001420506-26-001077 filed by Greenhaven Road Investment Management, L.P.
    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 1,865,312 shares
    Change vs previous 13F +262,500 shares

    7.21% of the 13F portfolio, value $16,638,583.

    13F-HR 0001420506-26-000339 filed by Greenhaven Road Investment Management, L.P.
    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/A 1,602,812 shares
    Change vs previous 13F -22,518 shares

    7.91% of the 13F portfolio, value $19,169,632.

    13F-HR/A 0001420506-25-003515 filed by Greenhaven Road Investment Management, L.P.
    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 1,625,330 shares
    Change vs previous 13F +17,708 shares

    8.14% of the 13F portfolio, value $23,177,206.

    13F-HR 0001420506-25-001976 filed by Greenhaven Road Investment Management, L.P.
    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 1,607,622 shares
    Change vs previous 13F 0 shares

    8.73% of the 13F portfolio, value $21,236,687.

    13F-HR 0001420506-25-000872 filed by Greenhaven Road Investment Management, L.P.
    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 1,607,622 shares
    Change vs previous 13F -15,000 shares

    7.92% of the 13F portfolio, value $20,497,181.

    13F-HR 0001420506-25-000362 filed by Greenhaven Road Investment Management, L.P.
    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 1,622,622 shares
    Change vs previous 13F not available

    9.15% of the 13F portfolio, value $21,515,968.

    13F-HR 0001741129-24-000006 filed by Greenhaven Road Investment Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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