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MASSACHUSETTS FINANCIAL SERVICES CO /MA/: CSTM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MASSACHUSETTS FINANCIAL SERVICES CO /MA/ on CSTM, newest first. How the timeline and the estimate are built.

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ held 351,022 CSTM shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 351,022 shares
    Change vs previous 13F +13,178 shares

    <0.01% of the 13F portfolio, value $11,187,071.

    13F-HR 0000912938-26-000775 filed by MASSACHUSETTS FINANCIAL SERVICES CO /MA/
    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 337,844 shares
    Change vs previous 13F +26,313 shares

    <0.01% of the 13F portfolio, value $8,304,205.

    13F-HR 0000912938-26-000604 filed by MASSACHUSETTS FINANCIAL SERVICES CO /MA/
    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 311,531 shares
    Change vs previous 13F +26,556 shares

    <0.01% of the 13F portfolio, value $5,872,360.

    13F-HR 0000912938-26-000025 filed by MASSACHUSETTS FINANCIAL SERVICES CO /MA/
    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 284,975 shares
    Change vs previous 13F +69,013 shares

    <0.01% of the 13F portfolio, value $4,240,428.

    13F-HR 0000912938-25-000200 filed by MASSACHUSETTS FINANCIAL SERVICES CO /MA/
    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 215,962 shares
    Change vs previous 13F +47,954 shares

    <0.01% of the 13F portfolio, value $2,872,295.

    13F-HR 0000912938-25-000121 filed by MASSACHUSETTS FINANCIAL SERVICES CO /MA/
    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 168,008 shares
    Change vs previous 13F +43,327 shares

    <0.01% of the 13F portfolio, value $1,695,201.

    13F-HR 0000912938-25-000044 filed by MASSACHUSETTS FINANCIAL SERVICES CO /MA/
    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 124,681 shares
    Change vs previous 13F +15,038 shares

    <0.01% of the 13F portfolio, value $1,280,474.

    13F-HR 0000912938-25-000009 filed by MASSACHUSETTS FINANCIAL SERVICES CO /MA/
    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 109,643 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,782,795.

    13F-HR 0000912938-24-000298 filed by MASSACHUSETTS FINANCIAL SERVICES CO /MA/
    Filed (acceptance time not in the bulk data set), ingested

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