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LOOMIS SAYLES & CO L P: POWI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of LOOMIS SAYLES & CO L P on POWI, newest first. How the timeline and the estimate are built.

LOOMIS SAYLES & CO L P held 280,087 POWI 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 280,087 shares
    Change vs previous 13F +46,523 shares

    0.03% of the 13F portfolio, value $23,460,087.

    13F-HR 0000312348-26-000034 filed by LOOMIS SAYLES & CO L P
    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 233,564 shares
    Change vs previous 13F -6,019 shares

    0.02% of the 13F portfolio, value $11,958,477.

    13F-HR 0000312348-26-000026 filed by LOOMIS SAYLES & CO L P
    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 239,583 shares
    Change vs previous 13F -35,542 shares

    0.01% of the 13F portfolio, value $8,514,780.

    13F-HR 0000312348-26-000014 filed by LOOMIS SAYLES & CO L P
    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 275,125 shares
    Change vs previous 13F -10,441 shares

    0.01% of the 13F portfolio, value $11,062,776.

    13F-HR 0000312348-25-000035 filed by LOOMIS SAYLES & CO L P
    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 285,566 shares
    Change vs previous 13F -50,803 shares

    0.02% of the 13F portfolio, value $15,963,139.

    13F-HR 0000312348-25-000028 filed by LOOMIS SAYLES & CO L P
    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 336,369 shares
    Change vs previous 13F -7,694 shares

    0.02% of the 13F portfolio, value $16,987,000.

    13F-HR 0000312348-25-000021 filed by LOOMIS SAYLES & CO L P
    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 344,063 shares
    Change vs previous 13F -10,743 shares

    0.03% of the 13F portfolio, value $21,228,000.

    13F-HR 0000312348-25-000014 filed by LOOMIS SAYLES & CO L P
    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 354,806 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $22,750,000.

    13F-HR 0000312348-24-000037 filed by LOOMIS SAYLES & CO L P
    Filed (acceptance time not in the bulk data set), ingested

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