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FRONTIER CAPITAL MANAGEMENT CO LLC: MP position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of FRONTIER CAPITAL MANAGEMENT CO LLC on MP, newest first. How the timeline and the estimate are built.

FRONTIER CAPITAL MANAGEMENT CO LLC held 234,322 MP shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 234,322 shares
    Change vs previous 13F -39,173 shares

    0.12% of the 13F portfolio, value $13,124,350.

    13F-HR 0001172661-26-003509 filed by FRONTIER CAPITAL MANAGEMENT CO 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 273,495 shares
    Change vs previous 13F +68,696 shares

    0.14% of the 13F portfolio, value $13,198,880.

    13F-HR 0001172661-26-002082 filed by FRONTIER CAPITAL MANAGEMENT CO LLC
    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 204,799 shares
    Change vs previous 13F +34,944 shares

    0.11% of the 13F portfolio, value $10,346,459.

    13F-HR 0001172661-26-000845 filed by FRONTIER CAPITAL MANAGEMENT CO 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 169,855 shares
    Change vs previous 13F -369,021 shares

    0.1% of the 13F portfolio, value $11,392,198.

    13F-HR 0001172661-25-004908 filed by FRONTIER CAPITAL MANAGEMENT CO 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 538,876 shares
    Change vs previous 13F -40,473 shares

    0.17% of the 13F portfolio, value $17,928,421.

    13F-HR 0001172661-25-003311 filed by FRONTIER CAPITAL MANAGEMENT CO 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 579,349 shares
    Change vs previous 13F -16,732 shares

    0.15% of the 13F portfolio, value $14,141,913.

    13F-HR 0001172661-25-002022 filed by FRONTIER CAPITAL MANAGEMENT CO 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 596,081 shares
    Change vs previous 13F -119,690 shares

    0.09% of the 13F portfolio, value $9,298,856.

    13F-HR 0001172661-25-001009 filed by FRONTIER CAPITAL MANAGEMENT CO 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 715,771 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $12,633,352.

    13F-HR 0001172661-24-004972 filed by FRONTIER CAPITAL MANAGEMENT CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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