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Disclosery

Marnell Management LLC: ECO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Marnell Management LLC on ECO, newest first. How the timeline and the estimate are built.

Marnell Management LLC held 96,294 ECO shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 96,294 shares
    Change vs previous 13F +43,041 shares

    2.45% of the 13F portfolio, value $4,826,255.

    13F-HR 0001852314-26-000004 filed by Marnell 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 53,253 shares
    Change vs previous 13F +45,196 shares

    1.79% of the 13F portfolio, value $2,694,069.

    13F-HR 0001852314-26-000003 filed by Marnell 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 8,057 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $272,649.

    13F-HR 0001852314-26-000002 filed by Marnell Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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