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SummitTX Capital, L.P.: CSTM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SummitTX Capital, L.P. on CSTM, newest first. How the timeline and the estimate are built.

SummitTX Capital, L.P. held 95,846 CSTM shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 95,846 shares
    Change vs previous 13F -234,396 shares

    0.08% of the 13F portfolio, value $3,054,612.

    13F-HR 0002052310-26-000002 filed by SummitTX Capital, L.P.
    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 330,242 shares
    Change vs previous 13F -358,331 shares

    0.26% of the 13F portfolio, value $8,117,348.

    13F-HR 0000905148-26-002402 filed by SummitTX Capital, L.P.
    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 688,573 shares
    Change vs previous 13F +127,664 shares

    0.39% of the 13F portfolio, value $12,979,601.

    13F-HR 0000905148-26-000842 filed by SummitTX Capital, L.P.
    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 560,909 shares
    Change vs previous 13F +25,483 shares

    0.35% of the 13F portfolio, value $8,346,326.

    13F-HR 0000905148-25-004050 filed by SummitTX Capital, L.P.
    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 535,426 shares
    Change vs previous 13F +203,616 shares

    0.31% of the 13F portfolio, value $7,121,166.

    13F-HR 0000905148-25-002950 filed by SummitTX Capital, L.P.
    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 331,810 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $3,347,963.

    13F-HR 0000905148-25-001746 filed by SummitTX Capital, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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