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Disclosery

Polianta Ltd: BLDR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Polianta Ltd on BLDR, newest first. How the timeline and the estimate are built.

Polianta Ltd held 22,900 BLDR shares at 2026-06-30 per its 13F-HR filed 2026-07-08.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 22,900 shares
    Change vs previous 13F +6,200 shares

    0.25% of the 13F portfolio, value $2,049,000.

    13F-HR 0001695214-26-000004 filed by Polianta Ltd
    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 16,700 shares
    Change vs previous 13F +3,000 shares

    0.18% of the 13F portfolio, value $1,374,000.

    13F-HR 0001695214-26-000003 filed by Polianta Ltd
    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 13,700 shares
    Change vs previous 13F +13,700 shares

    0.18% of the 13F portfolio, value $1,409,000.

    13F-HR 0001695214-26-000001 filed by Polianta Ltd
    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 0 shares
    Change vs previous 13F -9,600 shares

    13F-HR 0001695214-25-000007 filed by Polianta Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  5. period ended2025-06-30
    13F 9,600 shares
    Change vs previous 13F +9,600 shares

    0.48% of the 13F portfolio, value $1,120,000.

    13F-HR 0001695214-25-000006 filed by Polianta Ltd
    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 0 shares
    Change vs previous 13F -6,500 shares

    13F-HR 0001695214-25-000005 filed by Polianta Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  7. period ended2024-12-31
    13F 6,500 shares
    Change vs previous 13F 0 shares

    0.44% of the 13F portfolio, value $929,000.

    13F-HR 0001695214-25-000001 filed by Polianta Ltd
    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 6,500 shares
    Change vs previous 13F not available

    0.59% of the 13F portfolio, value $1,260,000.

    13F-HR 0001695214-24-000005 filed by Polianta Ltd
    Filed (acceptance time not in the bulk data set), ingested

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