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JANE STREET GROUP, LLC: MDLN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of JANE STREET GROUP, LLC on MDLN, newest first. How the timeline and the estimate are built.

JANE STREET GROUP, LLC held 101,130 MDLN 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 101,130 shares
    Change vs previous 13F -1,895,422 shares

    <0.01% of the 13F portfolio, value $3,988,568.

    13F-HR 0001595888-26-000108 filed by JANE STREET GROUP, 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 1,996,552 shares
    Change vs previous 13F +1,142,564 shares

    0.1% of the 13F portfolio, value $88,846,565.

    13F-HR 0001595888-26-000043 filed by JANE STREET GROUP, 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 853,988 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $35,867,496.

    13F-HR 0001595888-26-000023 filed by JANE STREET GROUP, LLC
    Filed (acceptance time not in the bulk data set), ingested

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