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WESTFIELD CAPITAL MANAGEMENT CO LP: TSLA position timeline

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

WESTFIELD CAPITAL MANAGEMENT CO LP held 50,411 TSLA 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 50,411 shares
    Change vs previous 13F -265,691 shares

    0.07% of the 13F portfolio, value $21,202,695.

    13F-HR 0001177719-26-000021 filed by WESTFIELD CAPITAL MANAGEMENT CO LP
    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 316,102 shares
    Change vs previous 13F -145,573 shares

    0.49% of the 13F portfolio, value $117,510,828.

    13F-HR 0001177719-26-000018 filed by WESTFIELD CAPITAL MANAGEMENT CO LP
    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 461,675 shares
    Change vs previous 13F +57,455 shares

    0.86% of the 13F portfolio, value $207,624,330.

    13F-HR 0001177719-26-000005 filed by WESTFIELD CAPITAL MANAGEMENT CO LP
    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 404,220 shares
    Change vs previous 13F -34,193 shares

    0.75% of the 13F portfolio, value $179,764,841.

    13F-HR 0001177719-25-000003 filed by WESTFIELD CAPITAL MANAGEMENT CO LP
    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 438,413 shares
    Change vs previous 13F -36,307 shares

    0.58% of the 13F portfolio, value $139,266,272.

    13F-HR 0001085146-25-004820 filed by WESTFIELD CAPITAL MANAGEMENT CO LP
    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 474,720 shares
    Change vs previous 13F -185,387 shares

    0.6% of the 13F portfolio, value $123,028,556.

    13F-HR 0001085146-25-002864 filed by WESTFIELD CAPITAL MANAGEMENT CO LP
    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 660,107 shares
    Change vs previous 13F +138,583 shares

    1.16% of the 13F portfolio, value $266,577,643.

    13F-HR 0001085146-25-000986 filed by WESTFIELD CAPITAL MANAGEMENT CO LP
    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 521,524 shares
    Change vs previous 13F not available

    0.62% of the 13F portfolio, value $136,446,419.

    13F-HR 0001085146-24-005556 filed by WESTFIELD CAPITAL MANAGEMENT CO LP
    Filed (acceptance time not in the bulk data set), ingested

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