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Disclosery

Silphium Asset Management Ltd: COPX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Silphium Asset Management Ltd on COPX, newest first. How the timeline and the estimate are built.

Silphium Asset Management Ltd held 20,500 COPX shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 20,500 shares
    Change vs previous 13F +2,000 shares

    0.53% of the 13F portfolio, value $1,577,885.

    13F-HR 0000919574-26-004683 filed by Silphium Asset Management Ltd
    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 18,500 shares
    Change vs previous 13F -3,900 shares

    0.54% of the 13F portfolio, value $1,412,475.

    13F-HR 0000919574-26-002639 filed by Silphium Asset Management Ltd
    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 22,400 shares
    Change vs previous 13F not available

    0.68% of the 13F portfolio, value $1,608,096.

    13F-HR 0000919574-26-000476 filed by Silphium Asset Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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