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Disclosery

Headlands Technologies LLC: CENX position timeline

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

Headlands Technologies LLC held 31,413 CENX 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 31,413 shares
    Change vs previous 13F -17,490 shares

    0.15% of the 13F portfolio, value $1,445,312.

    13F-HR 0001570271-26-000005 filed by Headlands Technologies 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 48,903 shares
    Change vs previous 13F -28,529 shares

    0.33% of the 13F portfolio, value $2,870,117.

    13F-HR 0001570271-26-000004 filed by Headlands Technologies 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 77,432 shares
    Change vs previous 13F +5,741 shares

    0.25% of the 13F portfolio, value $3,033,786.

    13F-HR 0001570271-26-000003 filed by Headlands Technologies 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 71,691 shares
    Change vs previous 13F +56,695 shares

    0.17% of the 13F portfolio, value $2,104,848.

    13F-HR 0001570271-25-000012 filed by Headlands Technologies 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 14,996 shares
    Change vs previous 13F +7,070 shares

    0.03% of the 13F portfolio, value $270,228.

    13F-HR 0001570271-25-000011 filed by Headlands Technologies 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 7,926 shares
    Change vs previous 13F -13,275 shares

    0.02% of the 13F portfolio, value $147,107.

    13F-HR 0001570271-25-000009 filed by Headlands Technologies 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 21,201 shares
    Change vs previous 13F +20,312 shares

    0.04% of the 13F portfolio, value $386,282.

    13F-HR 0001570271-25-000008 filed by Headlands Technologies 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 889 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $14,428.

    13F-HR 0001570271-24-000005 filed by Headlands Technologies LLC
    Filed (acceptance time not in the bulk data set), ingested

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