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LOOMIS SAYLES & CO L P: ALKS position timeline

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

LOOMIS SAYLES & CO L P held 1,585,518 ALKS 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 1,585,518 shares
    Change vs previous 13F -199,063 shares

    0.1% of the 13F portfolio, value $83,073,216.

    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 1,784,581 shares
    Change vs previous 13F -117,941 shares

    0.08% of the 13F portfolio, value $63,102,785.

    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 1,902,522 shares
    Change vs previous 13F -146,329 shares

    0.06% of the 13F portfolio, value $53,232,566.

    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 2,048,851 shares
    Change vs previous 13F -61,043 shares

    0.07% of the 13F portfolio, value $61,465,530.

    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 2,109,894 shares
    Change vs previous 13F -330,389 shares

    0.08% of the 13F portfolio, value $60,364,067.

    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 2,440,283 shares
    Change vs previous 13F +137,378 shares

    0.12% of the 13F portfolio, value $80,578,000.

    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 2,302,905 shares
    Change vs previous 13F +419,969 shares

    0.08% of the 13F portfolio, value $66,232,000.

    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 1,882,936 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $52,704,000.

    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).