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PRELUDE CAPITAL MANAGEMENT, LLC: CSTM position timeline

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

PRELUDE CAPITAL MANAGEMENT, LLC held 40,426 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 40,426 shares
    Change vs previous 13F -7,157 shares

    0.09% of the 13F portfolio, value $1,288,377.

    13F-HR 0000945621-26-001059 filed by PRELUDE CAPITAL MANAGEMENT, 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 47,583 shares
    Change vs previous 13F +8,377 shares

    0.09% of the 13F portfolio, value $1,169,590.

    13F-HR 0000945621-26-000717 filed by PRELUDE CAPITAL MANAGEMENT, 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 39,206 shares
    Change vs previous 13F +9,469 shares

    0.05% of the 13F portfolio, value $739,033.

    13F-HR 0000945621-26-000327 filed by PRELUDE CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 29,737 shares
    Change vs previous 13F +7,267 shares

    0.03% of the 13F portfolio, value $442,487.

    13F-HR 0000945621-25-001135 filed by PRELUDE CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 22,470 shares
    Change vs previous 13F -200,833 shares

    0.03% of the 13F portfolio, value $298,851.

    13F-HR 0000945621-25-000769 filed by PRELUDE CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 223,303 shares
    Change vs previous 13F -27,541 shares

    0.23% of the 13F portfolio, value $2,253,127.

    13F-HR 0000945621-25-000489 filed by PRELUDE CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 250,844 shares
    Change vs previous 13F -33,790 shares

    0.22% of the 13F portfolio, value $2,576,168.

    13F-HR 0000945621-25-000189 filed by PRELUDE CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F/A 284,634 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $4,628,149.

    13F-HR/A 0000945621-24-000950 filed by PRELUDE CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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