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Disclosery

Rockingstone Advisors LLC: TSEM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Rockingstone Advisors LLC on TSEM, newest first. How the timeline and the estimate are built.

Rockingstone Advisors LLC held 32,201 TSEM shares at 2026-06-30 per its 13F-HR filed 2026-07-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 32,201 shares
    Change vs previous 13F -1,075 shares

    3.37% of the 13F portfolio, value $8,392,869.

    13F-HR 0002027176-26-000003 filed by Rockingstone Advisors LLC
    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 33,276 shares
    Change vs previous 13F -11,824 shares

    2.68% of the 13F portfolio, value $5,839,272.

    13F-HR 0002027176-26-000002 filed by Rockingstone Advisors LLC
    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 45,100 shares
    Change vs previous 13F not available

    2.41% of the 13F portfolio, value $5,295,642.

    13F-HR 0002027176-26-000001 filed by Rockingstone Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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