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Disclosery

F/m Investments LLC: MTRN position timeline

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

F/m Investments LLC held 757 MTRN shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 757 shares
    Change vs previous 13F +757 shares

    0.01% of the 13F portfolio, value $223,886.

    13F-HR 0001834499-26-000006 filed by F/m Investments 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 0 shares
    Change vs previous 13F -35,373 shares

    13F-HR 0001834499-26-000004 filed by F/m Investments 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.

  3. period ended2025-12-31
    13F 35,373 shares
    Change vs previous 13F -928 shares

    0.17% of the 13F portfolio, value $4,397,571.

    13F-HR 0001834499-26-000001 filed by F/m Investments 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 36,301 shares
    Change vs previous 13F +6,538 shares

    0.17% of the 13F portfolio, value $4,385,524.

    13F-HR 0001834499-25-000017 filed by F/m Investments 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 29,763 shares
    Change vs previous 13F +76 shares

    0.09% of the 13F portfolio, value $2,362,289.

    13F-HR 0001834499-25-000010 filed by F/m Investments 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 29,687 shares
    Change vs previous 13F -3,677 shares

    0.1% of the 13F portfolio, value $2,422,459.

    13F-HR 0001834499-25-000007 filed by F/m Investments 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 33,364 shares
    Change vs previous 13F -49,578 shares

    0.12% of the 13F portfolio, value $3,299,032.

    13F-HR 0001834499-25-000002 filed by F/m Investments 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 82,942 shares
    Change vs previous 13F not available

    0.29% of the 13F portfolio, value $9,277,616.

    13F-HR 0001834499-24-000009 filed by F/m Investments LLC
    Filed (acceptance time not in the bulk data set), ingested

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