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Disclosery

Ring Mountain Capital, LLC: TSM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Ring Mountain Capital, LLC on TSM, newest first. How the timeline and the estimate are built.

Ring Mountain Capital, LLC held 3,916 TSM shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 3,916 shares
    Change vs previous 13F +380 shares

    0.73% of the 13F portfolio, value $1,786,440.

    13F-HR 0002051343-26-000004 filed by Ring Mountain Capital, LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 3,536 shares
    Change vs previous 13F +451 shares

    0.71% of the 13F portfolio, value $1,688,688.

    13F-HR 0002051343-26-000003 filed by Ring Mountain Capital, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 3,085 shares
    Change vs previous 13F +220 shares

    0.57% of the 13F portfolio, value $1,043,000.

    13F-HR 0002051343-26-000002 filed by Ring Mountain Capital, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 2,865 shares
    Change vs previous 13F +257 shares

    0.5% of the 13F portfolio, value $981,000.

    13F-HR 0002051343-26-000001 filed by Ring Mountain Capital, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 2,608 shares
    Change vs previous 13F +137 shares

    0.4% of the 13F portfolio, value $728,000.

    13F-HR 0002051343-25-000005 filed by Ring Mountain Capital, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 2,471 shares
    Change vs previous 13F +763 shares

    0.36% of the 13F portfolio, value $594,028.

    13F-HR 0002051343-25-000004 filed by Ring Mountain Capital, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 1,708 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $283,528.

    13F-HR 0002051343-25-000003 filed by Ring Mountain Capital, LLC
    Filed (acceptance time not in the bulk data set), ingested

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