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DARK FOREST CAPITAL MANAGEMENT LP: CSTM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DARK FOREST CAPITAL MANAGEMENT LP on CSTM, newest first. How the timeline and the estimate are built.

DARK FOREST CAPITAL MANAGEMENT LP held 6,634 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 6,634 shares
    Change vs previous 13F -42,804 shares

    0.01% of the 13F portfolio, value $211,426.

    13F-HR 0002073679-26-000088 filed by DARK FOREST CAPITAL MANAGEMENT LP
    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 49,438 shares
    Change vs previous 13F +49,438 shares

    0.11% of the 13F portfolio, value $1,215,186.

    13F-HR 0002073679-26-000055 filed by DARK FOREST CAPITAL MANAGEMENT LP
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -306,848 shares

    13F-HR 0001853322-25-000007 filed by DARK FOREST CAPITAL MANAGEMENT LP
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  4. period ended2025-03-31
    13F 306,848 shares
    Change vs previous 13F +284,385 shares

    0.14% of the 13F portfolio, value $3,096,096.

    13F-HR 0001853322-25-000005 filed by DARK FOREST CAPITAL MANAGEMENT LP
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-12-31
    13F 22,463 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $230,695.

    13F-HR 0001853322-25-000003 filed by DARK FOREST CAPITAL MANAGEMENT LP
    Filed (acceptance time not in the bulk data set), ingested

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