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Disclosery

Headlands Technologies LLC: DUOL position timeline

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

Headlands Technologies LLC held 21,452 DUOL 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 21,452 shares
    Change vs previous 13F -4,804 shares

    0.26% of the 13F portfolio, value $2,467,409.

    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 26,256 shares
    Change vs previous 13F +13,180 shares

    0.29% of the 13F portfolio, value $2,588,054.

    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 13,076 shares
    Change vs previous 13F +13,076 shares

    0.19% of the 13F portfolio, value $2,294,838.

    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 0 shares
    Change vs previous 13F -5,098 shares

    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).

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

  5. period ended2025-06-30
    13F 5,098 shares
    Change vs previous 13F +5,098 shares

    0.25% of the 13F portfolio, value $2,090,282.

    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 0 shares
    Change vs previous 13F -311 shares

    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).

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

  7. period ended2024-12-31
    13F 311 shares
    Change vs previous 13F +76 shares

    0.01% of the 13F portfolio, value $100,836.

    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 235 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $66,275.

    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).