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LOOMIS SAYLES & CO L P: OPCH position timeline

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

LOOMIS SAYLES & CO L P held 1,518,065 OPCH 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 1,518,065 shares
    Change vs previous 13F +280,318 shares

    0.04% of the 13F portfolio, value $31,833,813.

    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 1,237,747 shares
    Change vs previous 13F -9,676 shares

    0.04% of the 13F portfolio, value $33,320,143.

    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 1,247,423 shares
    Change vs previous 13F +36,546 shares

    0.05% of the 13F portfolio, value $39,742,884.

    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 1,210,877 shares
    Change vs previous 13F +241,581 shares

    0.04% of the 13F portfolio, value $33,613,935.

    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 969,296 shares
    Change vs previous 13F +30,829 shares

    0.04% of the 13F portfolio, value $31,482,741.

    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 938,467 shares
    Change vs previous 13F -112,082 shares

    0.05% of the 13F portfolio, value $32,800,000.

    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 1,050,549 shares
    Change vs previous 13F +28,790 shares

    0.03% of the 13F portfolio, value $24,372,000.

    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 1,021,759 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $31,981,000.

    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).