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JANE STREET GROUP, LLC: MTRN position timeline

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

JANE STREET GROUP, LLC held 54,177 MTRN 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 54,177 shares
    Change vs previous 13F +30,296 shares

    0.01% of the 13F portfolio, value $16,111,698.

    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 23,881 shares
    Change vs previous 13F +1,066 shares

    <0.01% of the 13F portfolio, value $3,454,387.

    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 22,815 shares
    Change vs previous 13F -8,437 shares

    <0.01% of the 13F portfolio, value $2,836,360.

    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).

  4. period ended2025-09-30
    13F 31,252 shares
    Change vs previous 13F +11,989 shares

    <0.01% of the 13F portfolio, value $3,775,554.

    13F-HR 0001595888-25-000155 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).

  5. period ended2025-06-30
    13F 19,263 shares
    Change vs previous 13F -16,056 shares

    <0.01% of the 13F portfolio, value $1,528,904.

    13F-HR 0001595888-25-000117 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).

  6. period ended2025-03-31
    13F/A 35,319 shares
    Change vs previous 13F +10,940 shares

    0.01% of the 13F portfolio, value $2,882,030.

    13F-HR/A 0001595888-25-000100 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).

  7. period ended2024-12-31
    13F 24,379 shares
    Change vs previous 13F -12,507 shares

    <0.01% of the 13F portfolio, value $2,410,596.

    13F-HR 0001595888-25-000068 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).

  8. period ended2024-09-30
    13F 36,886 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $4,126,068.

    13F-HR 0001595888-24-000063 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).