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Disclosery

New England Research & Management, Inc.: MA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of New England Research & Management, Inc. on MA, newest first. How the timeline and the estimate are built.

New England Research & Management, Inc. held 841 MA shares at 2026-06-30 per its 13F-HR filed 2026-07-09.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 841 shares
    Change vs previous 13F -25 shares

    0.17% of the 13F portfolio, value $431,938.

    13F-HR 0001951757-26-000938 filed by New England Research & Management, Inc.
    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 866 shares
    Change vs previous 13F -839 shares

    0.18% of the 13F portfolio, value $432,706.

    13F-HR 0001951757-26-000789 filed by New England Research & Management, Inc.
    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 1,705 shares
    Change vs previous 13F 0 shares

    0.43% of the 13F portfolio, value $973,350.

    13F-HR 0001951757-26-000024 filed by New England Research & Management, Inc.
    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 1,705 shares
    Change vs previous 13F -10 shares

    0.45% of the 13F portfolio, value $969,821.

    13F-HR 0001596077-25-000007 filed by New England Research & Management, Inc.
    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 1,715 shares
    Change vs previous 13F +10 shares

    0.46% of the 13F portfolio, value $964,000.

    13F-HR 0001596077-25-000004 filed by New England Research & Management, Inc.
    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 1,705 shares
    Change vs previous 13F +1,125 shares

    0.47% of the 13F portfolio, value $935,000.

    13F-HR 0001596077-25-000003 filed by New England Research & Management, Inc.
    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 580 shares
    Change vs previous 13F -10 shares

    0.16% of the 13F portfolio, value $305,000.

    13F-HR 0001596077-25-000001 filed by New England Research & Management, Inc.
    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 590 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $291,000.

    13F-HR 0001596077-24-000007 filed by New England Research & Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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