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LOOMIS SAYLES & CO L P: SUPN position timeline

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

LOOMIS SAYLES & CO L P held 1,475,192 SUPN 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 1,475,192 shares
    Change vs previous 13F +49,413 shares

    0.09% of the 13F portfolio, value $68,611,181.

    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 1,425,779 shares
    Change vs previous 13F -23,063 shares

    0.1% of the 13F portfolio, value $73,698,522.

    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 1,448,842 shares
    Change vs previous 13F +162,905 shares

    0.09% of the 13F portfolio, value $72,007,447.

    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 1,285,937 shares
    Change vs previous 13F -11,921 shares

    0.07% of the 13F portfolio, value $61,454,929.

    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 1,297,858 shares
    Change vs previous 13F -142,786 shares

    0.05% of the 13F portfolio, value $40,908,484.

    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 1,440,644 shares
    Change vs previous 13F -26,383 shares

    0.07% of the 13F portfolio, value $47,182,000.

    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 1,467,027 shares
    Change vs previous 13F -49,096 shares

    0.07% of the 13F portfolio, value $53,048,000.

    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 1,516,123 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $47,273,000.

    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).