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Natixis Investment Managers: WST position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Natixis Investment Managers on WST, newest first. How the timeline and the estimate are built.

Natixis Investment Managers held 49,906 WST 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 49,906 shares
    Change vs previous 13F -30,242 shares

    0.02% of the 13F portfolio, value $17,916,000.

    13F-HR 0001018331-26-000006 filed by NATIXIS ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 49,906 shares
    • NATIXIS: 0 shares

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

  2. period ended2026-03-31
    13F 80,148 shares
    Change vs previous 13F -814 shares

    0.02% of the 13F portfolio, value $20,088,249.

    13F-HR 0001018331-26-000004 filed by NATIXIS ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 62,572 shares
    • NATIXIS: 17,576 shares

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

  3. period ended2025-12-31
    13F 80,962 shares
    Change vs previous 13F +9,683 shares

    0.02% of the 13F portfolio, value $22,275,962.

    13F-HR 0001018331-26-000002 filed by NATIXIS ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 52,304 shares
    • NATIXIS: 28,658 shares

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

  4. period ended2025-09-30
    13F 71,279 shares
    Change vs previous 13F +2,731 shares

    0.02% of the 13F portfolio, value $18,699,012.

    13F-HR 0001018331-25-000009 filed by NATIXIS ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 56,862 shares
    • NATIXIS: 14,417 shares

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

  5. period ended2025-06-30
    13F 68,548 shares
    Change vs previous 13F +2,448 shares

    0.02% of the 13F portfolio, value $14,998,297.

    13F-HR 0001018331-25-000006 filed by NATIXIS ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 56,362 shares
    • NATIXIS: 12,186 shares
    • MIROVA: 0 shares

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

  6. period ended2025-03-31
    13F/A 66,100 shares
    Change vs previous 13F +1,118 shares

    0.02% of the 13F portfolio, value $14,788,665.

    13F-HR 0001018331-25-000004 filed by NATIXIS ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 59,476 shares
    • NATIXIS: 6,469 shares
    • MIROVA: 155 shares

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

  7. period ended2024-12-31
    13F 64,982 shares
    Change vs previous 13F +11,074 shares

    0.03% of the 13F portfolio, value $21,285,984.

    13F-HR 0001018331-25-000002 filed by NATIXIS ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 60,418 shares
    • NATIXIS: 4,409 shares
    • MIROVA: 155 shares

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

  8. period ended2024-09-30
    13F 53,908 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $16,181,326.

    13F-HR 0001018331-24-000009 filed by NATIXIS ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 53,747 shares
    • NATIXIS: 0 shares
    • MIROVA: 161 shares

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