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Boston Common Asset Management, LLC: TSM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Boston Common Asset Management, LLC on TSM, newest first. How the timeline and the estimate are built.

Boston Common Asset Management, LLC held 254,658 TSM shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 254,658 shares
    Change vs previous 13F -10,593 shares

    6.74% of the 13F portfolio, value $116,172,433.

    13F-HR 0001409427-26-000014 filed by Boston Common Asset Management, LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 265,251 shares
    Change vs previous 13F -22,387 shares

    7.51% of the 13F portfolio, value $126,675,920.

    13F-HR 0001409427-26-000008 filed by Boston Common Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 287,638 shares
    Change vs previous 13F -44,251 shares

    6.26% of the 13F portfolio, value $97,207,262.

    13F-HR 0001409427-26-000004 filed by Boston Common Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F/A 331,889 shares
    Change vs previous 13F -75,222 shares

    6.08% of the 13F portfolio, value $100,857,748.

    13F-HR/A 0001409427-26-000006 filed by Boston Common Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 407,111 shares
    Change vs previous 13F -45,173 shares

    3.18% of the 13F portfolio, value $113,702,031.

    13F-HR 0001409427-25-000014 filed by Boston Common Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 452,284 shares
    Change vs previous 13F +49,756 shares

    2.87% of the 13F portfolio, value $102,437,803.

    13F-HR 0001409427-25-000007 filed by Boston Common Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 402,528 shares
    Change vs previous 13F -36,928 shares

    2.03% of the 13F portfolio, value $66,819,648.

    13F-HR 0001409427-25-000005 filed by Boston Common Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 439,456 shares
    Change vs previous 13F not available

    2.53% of the 13F portfolio, value $86,788,165.

    13F-HR 0001409427-25-000002 filed by Boston Common Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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