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Disclosery

Rossby Financial, LCC: AMZN position timeline

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

Rossby Financial, LCC held 21,909 AMZN 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 21,909 shares
    Change vs previous 13F +3,971 shares

    0.95% of the 13F portfolio, value $5,221,791.

    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 17,938 shares
    Change vs previous 13F +7,416 shares

    0.79% of the 13F portfolio, value $3,777,205.

    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 10,522 shares
    Change vs previous 13F +119 shares

    0.76% of the 13F portfolio, value $2,428,688.

    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 10,403 shares
    Change vs previous 13F +810 shares

    0.76% of the 13F portfolio, value $2,295,214.

    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 9,593 shares
    Change vs previous 13F +408 shares

    0.79% of the 13F portfolio, value $2,104,608.

    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 9,185 shares
    Change vs previous 13F +2,433 shares

    0.75% of the 13F portfolio, value $1,735,931.

    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 6,752 shares
    Change vs previous 13F not available

    0.94% of the 13F portfolio, value $1,481,388.

    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).