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Disclosery

Rossby Financial, LCC: STEX position timeline

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

Rossby Financial, LCC held 385,030 STEX 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 385,030 shares
    Change vs previous 13F +64,000 shares

    0.06% of the 13F portfolio, value $327,391.

    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 321,030 shares
    Change vs previous 13F +19,500 shares

    0.07% of the 13F portfolio, value $356,343.

    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 301,530 shares
    Change vs previous 13F +1,400 shares

    0.29% of the 13F portfolio, value $913,636.

    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 300,130 shares
    Change vs previous 13F not available

    0.56% of the 13F portfolio, value $1,680,728.

    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).