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LOOMIS SAYLES & CO L P: OSIS position timeline

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

LOOMIS SAYLES & CO L P held 22,774 OSIS 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 22,774 shares
    Change vs previous 13F -168,693 shares

    0.01% of the 13F portfolio, value $4,980,674.

    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 191,467 shares
    Change vs previous 13F -15,979 shares

    0.07% of the 13F portfolio, value $50,836,404.

    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 207,446 shares
    Change vs previous 13F -9,760 shares

    0.06% of the 13F portfolio, value $52,911,177.

    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 217,206 shares
    Change vs previous 13F +87,895 shares

    0.06% of the 13F portfolio, value $54,136,424.

    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 129,311 shares
    Change vs previous 13F +33,320 shares

    0.04% of the 13F portfolio, value $29,076,871.

    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 95,991 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $18,655,000.

    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).