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Disclosery

Lansing Management LP: IBKR position timeline

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

Lansing Management LP held 245,725 IBKR shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 245,725 shares
    Change vs previous 13F -44,460 shares

    12.95% of the 13F portfolio, value $21,387,904.

    13F-HR 0001420506-26-001362 filed by Lansing Management LP
    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 290,185 shares
    Change vs previous 13F -9,300 shares

    12.93% of the 13F portfolio, value $19,462,708.

    13F-HR 0001420506-26-001132 filed by Lansing Management LP
    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 299,485 shares
    Change vs previous 13F -38,500 shares

    12.79% of the 13F portfolio, value $19,259,880.

    13F-HR 0001420506-26-000478 filed by Lansing Management LP
    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 337,985 shares
    Change vs previous 13F -61,751 shares

    16.87% of the 13F portfolio, value $23,256,748.

    13F-HR 0001420506-25-003387 filed by Lansing Management LP
    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 399,736 shares
    Change vs previous 13F +299,802 shares

    15.18% of the 13F portfolio, value $22,149,372.

    13F-HR 0001420506-25-002044 filed by Lansing Management LP
    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 99,934 shares
    Change vs previous 13F -6,625 shares

    13.89% of the 13F portfolio, value $16,548,071.

    13F-HR 0001420506-25-001220 filed by Lansing Management LP
    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 106,559 shares
    Change vs previous 13F -46,839 shares

    16.58% of the 13F portfolio, value $18,825,778.

    13F-HR 0001420506-25-000579 filed by Lansing Management LP
    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 153,398 shares
    Change vs previous 13F not available

    15.3% of the 13F portfolio, value $21,377,545.

    13F-HR 0001420506-24-002456 filed by Lansing Management LP
    Filed (acceptance time not in the bulk data set), ingested

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