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HighVista Strategies LLC: MLYS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of HighVista Strategies LLC on MLYS, newest first. How the timeline and the estimate are built.

HighVista Strategies LLC held 86,085 MLYS 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 86,085 shares
    Change vs previous 13F +39,307 shares

    0.53% of the 13F portfolio, value $2,322,573.

    13F-HR 0001172661-26-003470 filed by HighVista Strategies LLC
    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 46,778 shares
    Change vs previous 13F -77,766 shares

    0.35% of the 13F portfolio, value $1,267,216.

    13F-HR 0001172661-26-002079 filed by HighVista Strategies LLC
    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 124,544 shares
    Change vs previous 13F -85,285 shares

    1.16% of the 13F portfolio, value $4,519,702.

    13F-HR 0001172661-26-000882 filed by HighVista Strategies LLC
    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 209,829 shares
    Change vs previous 13F +59,691 shares

    1.95% of the 13F portfolio, value $7,956,715.

    13F-HR 0001172661-25-004799 filed by HighVista Strategies LLC
    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 150,138 shares
    Change vs previous 13F not available

    0.75% of the 13F portfolio, value $2,031,367.

    13F-HR 0001172661-25-003309 filed by HighVista Strategies LLC
    Filed (acceptance time not in the bulk data set), ingested

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