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JPMORGAN CHASE & CO: MTRN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of JPMORGAN CHASE & CO on MTRN, newest first. How the timeline and the estimate are built.

JPMORGAN CHASE & CO held 108,166 MTRN shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 108,166 shares
    Change vs previous 13F -75,250 shares

    <0.01% of the 13F portfolio, value $31,590,907.

    13F-HR 0000019617-26-000325 filed by JPMORGAN CHASE & CO
    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/A 183,416 shares
    Change vs previous 13F +16,697 shares

    <0.01% of the 13F portfolio, value $25,205,026.

    13F-HR/A 0000019617-26-000225 filed by JPMORGAN CHASE & CO
    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 166,719 shares
    Change vs previous 13F -23,907 shares

    <0.01% of the 13F portfolio, value $20,726,506.

    13F-HR 0000019617-26-000083 filed by JPMORGAN CHASE & CO
    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/A 190,626 shares
    Change vs previous 13F +116,091 shares

    <0.01% of the 13F portfolio, value $23,029,528.

    13F-HR/A 0000019617-25-001093 filed by JPMORGAN CHASE & CO
    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 74,535 shares
    Change vs previous 13F +11,009 shares

    <0.01% of the 13F portfolio, value $5,915,842.

    13F-HR 0000919185-25-000009 filed by JPMORGAN CHASE & CO
    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 63,526 shares
    Change vs previous 13F -40,273 shares

    <0.01% of the 13F portfolio, value $5,183,722.

    13F-HR 0000019617-25-000443 filed by JPMORGAN CHASE & CO
    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 103,799 shares
    Change vs previous 13F +42,414 shares

    <0.01% of the 13F portfolio, value $10,263,645.

    13F-HR 0000019617-25-000217 filed by JPMORGAN CHASE & CO
    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/A 61,385 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $6,866,525.

    13F-HR/A 0000019617-24-000675 filed by JPMORGAN CHASE & CO
    Filed (acceptance time not in the bulk data set), ingested

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