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Disclosery

Rossby Financial, LCC: TSM position timeline

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

Rossby Financial, LCC held 4,017 TSM shares at 2026-06-30 per its 13F-HR filed 2026-08-04.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,017 shares
    Change vs previous 13F +411 shares

    0.35% of the 13F portfolio, value $1,918,402.

    13F-HR 0002056510-26-000003 filed by Rossby Financial, LCC
    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 3,606 shares
    Change vs previous 13F +820 shares

    0.26% of the 13F portfolio, value $1,231,413.

    13F-HR 0002056510-26-000002 filed by Rossby Financial, LCC
    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 2,786 shares
    Change vs previous 13F -1,244 shares

    0.27% of the 13F portfolio, value $846,638.

    13F-HR 0002056510-26-000001 filed by Rossby Financial, LCC
    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 4,030 shares
    Change vs previous 13F +1,268 shares

    0.39% of the 13F portfolio, value $1,162,534.

    13F-HR 0002056510-25-000005 filed by Rossby Financial, LCC
    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 2,762 shares
    Change vs previous 13F +19 shares

    0.24% of the 13F portfolio, value $625,565.

    13F-HR 0002056510-25-000003 filed by Rossby Financial, LCC
    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 2,743 shares
    Change vs previous 13F +1,420 shares

    0.2% of the 13F portfolio, value $452,869.

    13F-HR 0002056510-25-000002 filed by Rossby Financial, LCC
    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 1,323 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $261,279.

    13F-HR 0002056510-25-000001 filed by Rossby Financial, LCC
    Filed (acceptance time not in the bulk data set), ingested

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