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Disclosery

Rossby Financial, LCC: SONY position timeline

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

Rossby Financial, LCC held 20,954 SONY 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 20,954 shares
    Change vs previous 13F +173 shares

    0.08% of the 13F portfolio, value $420,337.

    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 20,781 shares
    Change vs previous 13F +570 shares

    0.09% of the 13F portfolio, value $438,895.

    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 20,211 shares
    Change vs previous 13F +1,010 shares

    0.16% of the 13F portfolio, value $517,402.

    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 19,201 shares
    Change vs previous 13F +304 shares

    0.18% of the 13F portfolio, value $551,837.

    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 18,897 shares
    Change vs previous 13F +485 shares

    0.18% of the 13F portfolio, value $491,889.

    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 18,412 shares
    Change vs previous 13F not available

    0.2% of the 13F portfolio, value $459,748.

    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).